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metamars
Jimmy Walters is offering $ 1 Million to the first person who can prove that the WTC towers collapsed without explosives. Details at


http://reopen911.org/Contest.htm




His contest may be somewhat unfair, because the successful entrant must explain collapse wherein the duration of the collapse is given to be 8.5 seconds. However, my understanding is that the time for collapse was nearer 12 seconds. (Which is still close to a phenomenal collapse rate of .12 second per floor.)

Be that as it may, you will not be able to show collapse in even 85.0 seconds, much less 12 seconds, since it's energetically impossible. There is not NEARLY enough total energy sources (gravitational potential energy of the mass of the buildings, chemical energy of the jet fuel, kinetic energy of the jets, heat energy released by secondary fires) to overcome the heat sink represented by the expanding dust cloud. Neither was there nearly sufficient energy sources to weaken the steel sufficiently to allow a global collapse.


My back of the envelope calculation that I posted (link above) humors FEMA and pretends that all of the heat energy released by the burning jet fuel (7K gallons worth that FEMA assumes burned within each tower) magically goes into the steel. In other words, I am assuming a magically closed system. It is magical in 2 senses: first, that the energy remains within the boundaries of the WTC towers, and secondly, that the energy further goes only into heating the steel, not concrete, furnishings, etc.

It's easy to show that the FEMA Fairy Tale version of collapse is deficient in energy by at least an order of magnitude. More realistically, it is probably deficient by at least 2 orders of magnitude.
a_ht
QUOTE (metamars+Oct 13 2005, 07:16 PM)
It's easy to show that the FEMA Fairy Tale version of collapse is deficient in energy by at least an order of magnitude. More realistically, it is probably deficient by at least 2 orders of magnitude.

Since its easy, please, by all means, show it.
metamars
Just click the link to be taken to my other post.
a_ht
lol... my grand mother could refute your proof. Seriously, you guys should think about getting a degree before making such claims. The only thing your proof succeded in doing is to convince me that 7000 gallon is MORE than enough to collapse the building (had it magically gone (your words) directly into the TWENTY of so steel beam that needed to weaken).

Instead of considering the steel of THE WHOLE WTC, maybe only consider the ones of 4 floor or so which were affected by the fire and redo your math with that. The steel will EVAPORATE!
metamars
Also, one of Hoffman's papers on the energy requirements for driving the WTC dust clouds/pyroclastic flows is found specifically at

http://911research.wtc7.net/papers/dustvolume/volumev3.html


It concludes:

QUOTE

Conclusion

The amount of energy required to expand the North Tower's dust cloud was many times the entire potential energy of the tower's elevated mass due to gravity. The over 10-fold disparity between the most conservative estimate and the gravitational energy is not easily dismissed as reflecting uncertainties in quantitative assessments.

The official explanation that the Twin Tower collapses were gravity-driven events appears insufficient to account for the documented energy flows.



How hard or easy Hoffman's calculations were for him, I don't know, but it sure doesn't look too complicated, either. biggrin.gif

Note well that Hoffman's paper is ignoring the energy you need to soften steel. To prove his point, he doesn't even have to consider this.
metamars
QUOTE
lol... my grand mother could refute your proof. Seriously, you guys should think about getting a degree before making such claims. The only thing your proof succeded in doing is to convince me that 7000 gallon is MORE than enough to collapse the building (had it magically gone (your words) directly into the TWENTY of so steel beam that needed to weaken).

Instead of considering the steel of THE WHOLE WTC, maybe only consider the ones of 4 floor or so and redo your math with that. The steel will EVAPORATE!


Actually, I have a bachelor's degree in physics and mathematics. (Plus 18 graduate credits of Applied Mathematics)

The buildings stood for something like 55 minutes in one case, and 112 minutes in another, after their impacts. The jet fuel was almost completely expended after 17 minutes. So, you had at a minimum 38 minutes for the heat to diffuse throughout the steel, after maximal heating in the impact zone.


When I was studying physics, steel was considered an excellent conductor of heat, and thus even humoring FEMA the way I did, I'm quite justified in limiting the "magic" to the point that we still insist that steel conducted heat on 911 exactly the same way it does in 2005.

When your grandmother studied physics, was the thermal conductivity of steel any different than it was on 911? If not, just exactly how would she refute my argument? Certainly not by pretending that the heat must magically stay in the impact zone. It doesn't matter how much your grandmother waives her hands, she still cannot prevent heat from being conducted away from the impact zone.

If you insist, we can take the more realist assumption that most of the heat energy released from the burning jet fuel went into heating AIR, most of which vented out of the building. However, that would make the FEMA Fairy Tale even more implausible.

Or would your grandmother disagree with that, too?
a_ht
QUOTE (metamars+Oct 13 2005, 09:48 PM)
QUOTE
lol... my grand mother could refute your proof. Seriously, you guys should think about getting a degree before making such claims. The only thing your proof succeded in doing is to convince me that 7000 gallon is MORE than enough to collapse the building (had it magically gone (your words) directly into the TWENTY of so steel beam that needed to weaken).

Instead of considering the steel of THE WHOLE WTC, maybe only consider the ones of 4 floor or so and redo your math with that. The steel will EVAPORATE!


Actually, I have a bachelor's degree in physics and mathematics. (Plus 18 graduate credits of Applied Mathematics)

The buildings stood for something like 55 minutes in one case, and 112 minutes in another, after their impacts. The jet fuel was almost completely expended after 17 minutes. So, you had at a minimum 38 minutes for the heat to diffuse throughout the steel, after maximal heating in the impact zone.


When I was studying physics, steel was considered an excellent conductor of heat, and thus even humoring FEMA the way I did, I'm quite justified in limiting the "magic" to the point that we still insist that steel conducted heat on 911 exactly the same way it does in 2005.

When your grandmother studied physics, was the thermal conductivity of steel any different than it was on 911? If not, just exactly how would she refute my argument? Certainly not by pretending that the heat must magically stay in the impact zone. It doesn't matter how much your grandmother waives her hands, she still cannot prevent heat from being conducted away from the impact zone.

If you insist, we can take the more realist assumption that most of the heat energy released from the burning jet fuel went into heating AIR, most of which vented out of the building. However, that would make the FEMA Fairy Tale even more implausible.

Or would your grandmother disagree with that, too?

No, my grand mother knows nothing about physics (im the one who does). My grand mother only knows common sense. Your proof fails at both. So me, and my grand mother could both easily see the flaw in your reasonning. Steel is a good thermal conductor therefore all the steel in the building from floor 1 to floor 200 ALL raised uniformely in temperature... LOL what a bold asumption that FAVORS IMMENSIVELY YOUR BELIEFS.
QUOTE (->
QUOTE
lol... my grand mother could refute your proof. Seriously, you guys should think about getting a degree before making such claims. The only thing your proof succeded in doing is to convince me that 7000 gallon is MORE than enough to collapse the building (had it magically gone (your words) directly into the TWENTY of so steel beam that needed to weaken).

Instead of considering the steel of THE WHOLE WTC, maybe only consider the ones of 4 floor or so and redo your math with that. The steel will EVAPORATE!


Actually, I have a bachelor's degree in physics and mathematics. (Plus 18 graduate credits of Applied Mathematics)

The buildings stood for something like 55 minutes in one case, and 112 minutes in another, after their impacts. The jet fuel was almost completely expended after 17 minutes. So, you had at a minimum 38 minutes for the heat to diffuse throughout the steel, after maximal heating in the impact zone.


When I was studying physics, steel was considered an excellent conductor of heat, and thus even humoring FEMA the way I did, I'm quite justified in limiting the "magic" to the point that we still insist that steel conducted heat on 911 exactly the same way it does in 2005.

When your grandmother studied physics, was the thermal conductivity of steel any different than it was on 911? If not, just exactly how would she refute my argument? Certainly not by pretending that the heat must magically stay in the impact zone. It doesn't matter how much your grandmother waives her hands, she still cannot prevent heat from being conducted away from the impact zone.

If you insist, we can take the more realist assumption that most of the heat energy released from the burning jet fuel went into heating AIR, most of which vented out of the building. However, that would make the FEMA Fairy Tale even more implausible.

Or would your grandmother disagree with that, too?

No, my grand mother knows nothing about physics (im the one who does). My grand mother only knows common sense. Your proof fails at both. So me, and my grand mother could both easily see the flaw in your reasonning. Steel is a good thermal conductor therefore all the steel in the building from floor 1 to floor 200 ALL raised uniformely in temperature... LOL what a bold asumption that FAVORS IMMENSIVELY YOUR BELIEFS.

Actually, I have a bachelor's degree in physics and mathematics. (Plus 18 graduate credits of Applied Mathematics)


Well, maybe you should get your money back?
RealityCheck
Hello everyone.

If I were the mercenary type, I would go and enter that contest and take his money. But I'm not, so I'll tell you where the necessary additional energy came from (if any additional energy was needed) which would lead to the collapse of the towers.

How many here have witnessed a 'metal' fire, specifically an 'ALUMINIUM' fire. You know, ALUMINIUM, that stuff the SPACE SHUTTLE USES AS HIGH-EXOTHERMIC-ENERGY FUEL FOR ITS SOLID-ROCKET BOOSTERS. And guess what, FULLY LADEN PLANES ARE PRACTICALLY ALL 'FUEL'----FROM THE ALUMINIUM BODY/WINGS ETC, TO FIXTURES AND FITTINGS, THE AVIATION FUEL AND THE PASSENGERS THEMSELVES! The MOLTEN AND BURNING aluminium and the JET FUEL and everything else must have created 'spot' temperatures of thousands of degrees at certain stages of the conflagration.

And after the 'first flush' of raging localised' firestorms, there would be islands of relative fire-free areas/times when smoke/exhausted-air was 'drawn back' and self-extinguished many burning areas BEFORE ONCE AGAIN FLARING UP INTO INFERNOS ONCE FRESH OXYGEN-LADEN AIR CURRENTS RETURNED TO ANY SMOULDERING 'POCKETS'.

The towers didn't stand a chance, what with aluminium (high-energy fuel) planes; aviation (high-energy fuel) gas; body (high-energy fuel) fat/tissues; building (high-energy fuel) fixtures and fittings AND ALSO THE STEEL (HIGH-ENERGY FUEL) FRAME ITSELF. Have NONE of you 'conspiracy' theorists EVER done those experiments where 'steel wool' and 'aluminium' and other metals are set alight and BURN to give mostly IRON OXIDE and ALUMINIUM OXIDE etc. and LOTS OF HEAT!?

On second thought, give me the money, I could find a better use for it...like run a special-ed class for 'conspiracy' theorists who waste their paranoia on 'false' conspiracies started by bastards who would do anything to sell crap to make a fast buck from suckers who are probably so distracted by the sheisters that they are ignoring some REAL conspiracy probably looking them right in the face. Where do they come from? It's TRUE!....there's ONE BORN EVERY MINUTE!...oh where are those mythical 'Intelligent Designers' one hears about so much lately...they're never around when you need them!? Judging by some of the crap set afloat on some of these forums, it appears the perpetrators must have been 'unintelligently designed' by some novice apprentice-designer during their first day on the job!

Lord have mercy! (irony, SoLoved).

RealityCheck.
.PS: Metamars: Have you never seen a blacksmith hold a steel rod at one end while the other end is WHITE HOT? Whatever your degrees are in, I hope to 'god' (irony, SoLoved) you're never let near any architectural/construction firm; cos I can just see the 'shoddy' work that would ensue. Boy, you are a perfect example of that saying "a little knowledge is a dangerous thing in the hands of fools (and self-serving miscreant 'intellects')". Regards, RC.
metamars
QUOTE
Steel is a good thermal conductor therefore all the steel in the building from floor 1 to floor 200 ALL raised uniformely in temperature... LOL what a bold asumption that FAVORS IMMENSIVELY YOUR BELIEFS.


It's not bold, and if you don't focus pathologically on the adjective "uniform", it's also correct enough for our purposes.

If you a took a 100 floor steel rod with the mass of the WTC, insulated it perfectly, and then introduced heat energy equal to 7K burned gallons of kerosene at the 78th floor over a 17 minute period, waited 55 minutes, and then took the temperature at the far end, you're damn straight it would be about what it was at the 78th floor.

Even if it differs by 20%, so what? My argument is essentially a conservation of energy argument, not a (perfectly) uniform temperature argument. You do understand that, don't you?

What you would like us to think is something like:

A. "the temperature at the point of heat introduction is so great (because the heat has not sufficiently diffused) that collapse can be initiated. "
B. "Afterwards, the gravitational potential of the building above the impact zone drives the collapse"



Regarding A.
----------------
(As a practical matter, if you look at the photos in my post in the other thread you can see what a lie that is in the real world case...)
However, in our hypothetical, magical model, it's probably not true, either. Although I couldn't find the reference for it when I looked recently, I'm pretty sure that it was Hoffman who has shown that if you total up all the energy sources and assume that all the energy is absorbed into a single floor (including concrete), and compare to the energy sinks, then you will still not get collapse of even that one floor. If I recall correctly, he assumed failure would occur when the steel was hot enough to lose 50% of it's strength.

Regarding B.
-----------------
Even if a collapse of a floor or two or 10 was physically possible in my generous-to-a-fault magical model, global collapse is impossible because of conservation of energy. I never said that that not even a single floor would collapse (although I believe that to be the case), what I said is that "the FEMA Fairy Tale version of collapse is deficient in energy by at least an order of magnitude". The FEMA Fairy Tale is a tale of global collapse.

Again, I ask you, you do understand that my argument is a conservation-of-energy argument, don't you? (For that matter, just be sure we're on a level playing field, you do believe in conservation of energy, don't you?)

I presume that they also taught this very basic concept in whatever university you studied physics in. If not, I suggest that you ask for your money back. tongue.gif
a_ht
QUOTE (metamars+Oct 13 2005, 07:16 PM)
Jimmy Walters is offering $ 1 Million to the first person who can prove that the WTC towers collapsed without explosives. Details at


http://reopen911.org/Contest.htm

And besides, those engaged in such non sense always set up the rules so you can never win the money.
a_ht
QUOTE (metamars+Oct 14 2005, 08:47 AM)
It's not bold, and if you don't focus pathologically on the adjective "uniform", it's also correct enough for our purposes.

Change that phrase to the following and I might believe you;

It's not bold, and if you don't focus pathologically on the adjective "uniform", it's also correct enough for my purposes.
a_ht
QUOTE
Have you never seen a blacksmith hold a steel rod at one end while the other end is WHITE HOT?


QTE

You don't feel this statement completely negates your argument?? Because well, it kinda does sad.gif
metamars
QUOTE
How many here have witnessed a 'metal' fire, specifically an 'ALUMINIUM' fire. You know, ALUMINIUM, that stuff the SPACE SHUTTLE USES AS HIGH-EXOTHERMIC-ENERGY FUEL FOR ITS SOLID-ROCKET BOOSTERS. And guess what, FULLY LADEN PLANES ARE PRACTICALLY ALL 'FUEL'----FROM THE ALUMINIUM BODY/WINGS ETC, TO FIXTURES AND FITTINGS, THE AVIATION FUEL AND THE PASSENGERS THEMSELVES!


Yes, and obese and/or alcoholic passengers would generate even more heat energy than their non-obese, non-alcoholic traveling partners. Somehow, I don't think this "factor" needs to be seriously considered. biggrin.gif


Since non-WTC airplane crashes never (to my knowledge) involve the combustion of their aluminum components, I think we can safely discount that particular 'energy source' for the special case of the WTC collisions, as well. Even if there's a very high temperature at which exothermic reactions of whatever particular form the metal constituents of the planes are in do occur, if those temperatures were routinely reached during plane crashes, they would have done so before 911.....


If I'm wrong, please be quantitative. Oh, and drop a note to FEMA, they could use the help. tongue.gif
a_ht
This thread should focus more on thermic reservoirs.
RealityCheck
Hello metamars.

Can you tell the difference between fuel burned in an enclosed FURNACE-like situation and that same fuel burnt in the open? OTHER large-planes in crashes don't usually end up with ALL the plane and passengers and contents and fuel INSIDE a building. And even open air crashes can produce 'metal fire' in the right circumstances. Do you recall that plane that overshot the runway (in Canada somewhere? Toronto?) that ended up in a creek near a highway...even in the open air its fuselage burned almost completely away DESPITE firefighters' efforts---and it sure wasn't a WOODEN airplane!

Wake up to your bias!...or is it just plain old mercenary self-interests involved here?

RealityCheck.
.
Sinclair
During the NIST (National Institute of Standards & Technology) Public Meeting in
New York on February 12, 2004, Investigative Reporter Nico Haupt asked Dr. Shyam Sunder of the NIST about many of the glaring inconsistencies surrounding the unprecedented implosion of WTC 7. Among other issues, he asked for a simple explanation for how WTC 7 imploded into its footprint in less than 8 seconds.

The following is Dr. Sunder’s reply to Nico Haupt’s concerns:

"Thank you very much. We will fully report. We have begun reporting, and we will fully report on the fires in WTC 7, the causes of the collapse in WTC 7, as well as any other evidence from first-person accounts about 7… So stay tuned, we will get more information as time goes”

So where is that explanation?

& What is the response to the statement that Fire has never been the cause of a full collapse of any steel framed structure in history. Fire has caused certain partial collapses of some small portions of steel framed structures & has weakened some structures to such an extent that they were subsequently deemed uneconomical to repair, but fire has never initiated any steel framed structures to collapse in free fall mode, ever! But on 9/11/2001, three steel framed buildings collapsed - WTC-1, WTC-2 & WTC-7.

The answer to this is not ...that they were hit by airplanes, because that structural dynamic loading was not a cause in the collapse initiation & notwithstanding, such an explanation does not apply to WTC-7.

I'm sorry, but the response of the NIST representative, Shyam Sunder, does not give me any confidence in the official explanation of events.........

In the FEMA response (Chapter 2) as to where the energy came from to initiate the collapse, most of references aren't technical at all. They are first person accounts of the disaster.

The Physics does not stand up.

If you believe it does, then provide it & win a Million Dollars.
a_ht
QUOTE

Fire has never been the cause of a full collapse of any steel framed structure in history.


Someone are to explain to me what is soooo hard in understanding that the aircraft impact destroyed the insulation surrounding the steel beams.

In addition to that, conventionnal fires are started with a cigarette, not with 10,000 gallons of highly flammable jet fuel!

QUOTE (->
QUOTE

Fire has never been the cause of a full collapse of any steel framed structure in history.


Someone are to explain to me what is soooo hard in understanding that the aircraft impact destroyed the insulation surrounding the steel beams.

In addition to that, conventionnal fires are started with a cigarette, not with 10,000 gallons of highly flammable jet fuel!


The answer to this is not ...that they were hit by airplanes, because that structural dynamic loading was not a cause in the collapse initiation & notwithstanding, such an explanation does not apply to WTC-7. 


And I guess 200mph, 20 metric ton body falling from the WTC1-2 wouldnt scratch the WTC7? Which was just next to WTC1-2.
RealityCheck
Hello everyone.

Now let’s see...hmmmm...

(1) A steel frame skyscraper which, UNLIKE ALL PREVIOUS SKYSCRAPERS, used ONLY an outer ‘SHELL’ of steel and glass to essentially produce a ‘square tube’ from whose ‘walls’ were suspended floor slabs fixed at their edges by welds/rivets etc. to that ‘exo-skeleton’ framework;

(2) Those floor slabs, UNLIKE PREVIOUS SKYSCRAPERS, had LITTLE or NO CONTIGUOUS CENTRAL SUPPORT FRAMEWORK/CONCRETE-COLUMNS running from foundations to roof;

(3) An airplane weighing 200 HUNDRED TONS or so (all of its mass CONSISTING OF HIGH-ENERGY FUEL ALUMINIUM, GAS AND BODIES) shears into the walls of this ‘tube’ structure and PLONKS THE LOT ON FLIMSILY SUPPORTED FLOOR SLABS, thus STRESSING THE CONNECTIONS between ‘otherwise-unsupported’ floor slabs and outer walls;

(4) The high-temperature ALUMINIUM AND HYDROCARBON FIRESTORM weakens the ALREADY-SHEARED WALL-FRAMEWORK that was supporting the 1000+ TONS of weight represented by the floors (plus roof service tanks/structures) above the impact site;

(5) These 1000+ TON of upper floor material (slabs, frame, glass windows, roof structures/tanks, people, fixtures and fittings etc), after having their supporting framework sheared/heat-softened from under them, then collapse and are GRAVITY-ACCELERATED straight down on top of the floor slab whose ‘edge-to-tube-frame-wall connections were first weakened/sheared by initial plane impact/weight stress.

(6) This ‘impact-site’ slab’s EDGE-TO-OUTER-FRAMEWORK CONNECTIONS (which have, like the walls themselves, been already catastrophically-compromised by 200 TON impact and then further compromised by EXTREME HEAT from ‘FURNACE-LIKE’ burning of 200 TONS of high-energy ‘metal/hydrocarbon fuel) THEN HAS 1000+ TONS OF FAST-MOVING HIGHER-FLOORS MATERIAL ‘DUMPED’ ON IT;

(7) The impact floor, WHICH HAD NO ‘CENTRAL’ SUPPORT TO SPEAK OF, and which was NEVER DESIGNED TO TAKE EVEN A ‘FRACTION’ OF SUCH INSULTS TO ITS STRUCTURAL/CONNECTION INTEGRITY, naturally gives up the ghost and ITSELF JOINS THE UPPER SLABS on their downward plunge, ALL THE WHILE EACH ‘FAILING’ FLOOR SLAB ADDING TO THE WEIGHT/MOMENTUM OF THE ALREADY-FAST-FALLING MASS;

(8) The falling slabs concertina-ed together EFFECTIVELY FORM/ACT AS AN IRRESISTIBLE ‘PRESSURING PISTON’ forced INEXORABLY by gravity to travel down INSIDE THE ‘TUBULAR EXO-SKELETON’ of steel and glass, all the while accumulating weight and momentum AND AIR-PRESSURE-SHOCK-WAVE-front, all of which CAUSES EACH SUCCEEDING FLOOR SLAB TO ‘DISCONNECT’ AND COLLAPSE FASTER THAN THE PRECEDING FLOOR SLAB;

(9) This effectively-irresistible ‘piston’ mass PRESSURISES GREATLY/SUDDENLY THE TRAPPED AIR AT THE LEVELS AHEAD OF ITS ACCELERATING PROGRESS; and this ‘pressure-wave’ causes that air TO ESCAPE EXPLOSIVELY (have you ever even HEARD of explosive de-compression?) OUT THE WINDOW OPENINGS, taking the glass and other items nearby with it (hence the ‘explosions’ heard by witnesses who didn’t understand what was actually happening other than they heard ‘explosions’ progressively down the length of the building ahead of the ‘collapse-front’) and hence the ‘stuff’ sent ‘flying’ at great speed in ALL DIRECTIONS from the walls, and the ‘orange flashes’ caused by progressive high-compression ignition (just like in DIESEL ENGINES of combustible/flammable/explosive liquids/gases/particulates/glues/furnishings etc. on those floors.



GEE!...I WONDER WHY THOSE ‘HOLLOW TUBE’ SKYSCRAPERS COLLAPSED SO FAST AND SO EASY?...asks ONE Village Idiot of the OTHER Village Idiot.

My oh my; where DO they come from so 'thick' and so 'clever'....or is it just mercenary self interest driving both THIS and that OTHER thread? Either way, it’s not a good look. It won’t wash, mate....you’re BOTH busted!

This will be posted in both the relevant threads, just in case either VI is not currently in touch with the other VI.

Best regards to everyone from: RealityCheck.
.
London to SF
QUOTE (RealityCheck+Oct 14 2005, 06:50 AM)


If I were the mercenary type, I would go and enter that contest and take his money.




You're sure that you are correct...
...but you can't be bothered to go and prove it and pocket $1,000,000???

laugh.gif
RealityCheck
Hello London to SF.

It may not occur to the VI philosophy that NOT EVERYONE DOES EVERYTHING FOR THE MONEY; for if that were so, I would not be wasting good money-making time trying to educate VIs. Repeat, I don't want money for doing my duty trying to clarify things for others who may come in contact with the VI dribblings that are your posts. Do YOU do EVERYTHING for money?...is that your ONLY motive in life?...can you even understand 'veracity' and 'duty' and 'selflessness' and 'understanding' and 'knowledge' and 'science' and 'objectivity' and 'fairness' and 'integrity' and 'self-esteem' and 'respect' and 'honour' and so on...FOR THEIR OWN SAKE AND NOT JUST FOR WHAT'S IN IT FOR YOU? Apparently not; so what's the use in trying to explain such things to a VI?

RealityCheck.
.
London to SF
QUOTE (RealityCheck+Oct 15 2005, 01:17 AM)
Hello London to SF.

It may not occur to the VI philosophy that NOT EVERYONE DOES EVERYTHING FOR THE MONEY; for if that were so, I would not be wasting good money-making time trying to educate VIs. Repeat, I don't want money for doing my duty trying to clarify things for others who may come in contact with the VI dribblings that are your posts. Do YOU do EVERYTHING for money?...is that your ONLY motive in life?...can you even understand 'veracity' and 'duty' and 'selflessness' and 'understanding' and 'knowledge' and 'science' and 'objectivity' and 'fairness' and 'integrity' and 'self-esteem' and 'respect' and 'honour' and so on...FOR THEIR OWN SAKE AND NOT JUST FOR WHAT'S IN IT FOR YOU? Apparently not; so what's the use in trying to explain such things to a VI?

RealityCheck.
.

The only one that would believe that pile of drivel is a_ht...
...he'll believe anything...(as long as it's b/s)

laugh.gif
RealityCheck

Hello London to SF.

Your post just proves my point regarding your VI status.

Thanks.

RealityCheck.
.
K. Weiner
QUOTE (London to SF+Oct 15 2005, 12:45 AM)
QUOTE (RealityCheck+Oct 14 2005, 06:50 AM)


If I were the mercenary type, I would go and enter that contest and take his money.




You're sure that you are correct...
...but you can't be bothered to go and prove it and pocket $1,000,000???

laugh.gif

No thanks, acquiring $1 million dollars worth of cans from a bum like you hardly seems worth the trouble. Especially, if I may add, since you probably can't count that well.
a_ht
QUOTE (London to SF+Oct 15 2005, 02:02 AM)
QUOTE (RealityCheck+Oct 15 2005, 01:17 AM)
Hello London to SF.

It may not occur to the VI philosophy that NOT EVERYONE DOES EVERYTHING FOR THE MONEY; for if that were so, I would not be wasting good money-making time trying to educate VIs. Repeat, I don't want money for doing my duty trying to clarify things for others who may come in contact with the VI dribblings that are your posts. Do YOU do EVERYTHING for money?...is that your ONLY motive in life?...can you even understand 'veracity' and 'duty' and 'selflessness' and 'understanding' and 'knowledge' and 'science' and 'objectivity' and 'fairness' and 'integrity' and 'self-esteem' and 'respect' and 'honour' and so on...FOR THEIR OWN SAKE AND NOT JUST FOR WHAT'S IN IT FOR YOU? Apparently not; so what's the use in trying to explain such things to a VI?

RealityCheck.
.

The only one that would believe that pile of drivel is a_ht...
...he'll believe anything...(as long as it's b/s)

laugh.gif

Actualy no i dont believe his explaination, what I believe however is that; Those engaged in such non sense always set up the rules so you can never win the money... idiot. If you havent see the tendancy that when a crackpot is offering a money prize for a proof, its always made has a argumenting tactic: "See we have 1 million dollar prize and no one has claimed it"... But when you look deeply at the rules, the rules make it so you can never claim it! SURPRISE! So, if you havent seen that tendancy, there is no hope for you. And again, if you did, it just shows you have no interests in valid arguments and are simply using straw mans to proove your bullshit. (straw man seems to be the word of the day). For example, the proof must be made considering the building felt in 8.5 seconds. SINCE THE FUCKEN BUILDING FELT IN 12 SECONDS, IS MONEY IS SAFE PERMANENTLY. you stupid ***.
London to SF
Guys, (you know who)

Exchanging ideas and knowledge, with a bit of light hearted and friendly banter is one thing, and something that seems to be a common theme on all the other threads...

...but being arrogant, aggressive, rude and now abusive is totally unnecessary and uncalled for...

...why?

Whats wrong?

We are expressing our opinions here, you have no reason to attack us...

...I wonder why you do?


Bleat as much as you like, as Andrew Johnson said "It wont change the laws of Physics"

wink.gif
a_ht
nt
RealityCheck
Hello London to SF.

...and it certainly won't stop VIs coming in to SCIENCE FORUMS and insulting the intelligence of everyone there. Nothing in the rules says one and all must suffer without demur such wilful stupidity, dishonesty, cowardice, ignorance and downright loony posts as all you VIs have 'presented' here for supposed 'scientific' debate which YOU shy away from by evading the questions begged by your 'evidence'. And then YOU have the temerity to lecture us on OUR behaviour. True VI disconnection from reality if ever there was. Keep your advice and go, if the facts are inconvenient to whatever it is you're trying to do...because whatever it is, it's certainly NOT 'science' but conspiracy-mongering for those who have books to sell to gullible VIs like you and your "anonymous guest' aliases. Puhleeese! You are not expressing your opinions here...you are ACCUSING PEOPLE OF CRIMES, AND DOING SO WITHOUT THE LEAST CREDIBLE SHRED OF EVIDENCE. Gullible sickos, false accusers, and VIs...what a 'dream team' of 'scientific' debaters you have there, mate! Who needs YOUR advice, considering the competency/trustworthiness level of the source.

RealityCheck.
.
metamars
RealityCheck,

You state:

QUOTE
(1) A steel frame skyscraper which, UNLIKE ALL PREVIOUS SKYSCRAPERS, used ONLY an outer ‘SHELL’ of steel and glass to essentially produce a ‘square tube’ from whose ‘walls’ were suspended floor slabs fixed at their edges by welds/rivets etc. to that ‘exo-skeleton’ framework;

(2) Those floor slabs, UNLIKE PREVIOUS SKYSCRAPERS, had LITTLE or NO CONTIGUOUS CENTRAL SUPPORT FRAMEWORK/CONCRETE-COLUMNS running from foundations to roof;


Hmmmm.

In my reality, these are essentially false. (1) is completely false. (2) is essentially false, because, while the 47 central columns that bore an estimated 60% of the weight of the towers, and could support the weight of the towers by themselves several times over are made of steel, they were not (AFAIK) steel/concrete.

The framework of the WTC buildings is accurately described as a "tube within a tube", where the inner tube is stronger than the outer tube. Your description is disinformation, whereby you are unfortunately following the path created by our own government agencies...

Take a look at the picture below. Surely, you can see the inner columns, with your own eyes.


http://whatreallyhappened.com/IMAGES/wtc1_core.jpg

More details here.


It would appear that RealityCheck needs a reality check! biggrin.gif
metamars
Oops. Here's the picture:


User posted image
metamars
QUOTE
the proof must be made considering the building felt in 8.5 seconds. SINCE THE ##### BUILDING FELT IN 12 SECONDS, IS MONEY IS SAFE PERMANENTLY



Surprisingly, I actually find myself agreeing with a_ht on this one particular point.

I have just sent an email to Jimmy Walters at reopen911.org, with the following message:

QUOTE (->
QUOTE
the proof must be made considering the building felt in 8.5 seconds. SINCE THE ##### BUILDING FELT IN 12 SECONDS, IS MONEY IS SAFE PERMANENTLY



Surprisingly, I actually find myself agreeing with a_ht on this one particular point.

I have just sent an email to Jimmy Walters at reopen911.org, with the following message:


Dear Mr. Walters,

Thank-you again for doing your patriotic duty to help expose the 911 coverup.

Your contest is a wonderful effort in this regard, but suffers from a severe defect. The collapse time that you state, 8.5 seconds, is probably too short, being closer to 12 seconds. Jim Hoffman has looked at this closely, and you can find details here:

http://911research.wtc7.net/wtc/analysis/c...s/freefall.html

Please correct this aspect of your contest ASAP. You have no need to fear AT ALL of anybody winning your contest, since very simple calculations of total energy show that global collapse is impossible.*  Also, Hoffman has shown that the energy needed to drive the expansion of the dust cloud is easily 10 times the known energy sources.

* see my post at http://forum.physorg.com/index.php?showtop...indpost&p=29623



stallion4
QUOTE ("stallion4"+)
QUOTE ("RealityCheck"+)
you are ACCUSING PEOPLE OF CRIMES, AND DOING SO WITHOUT THE LEAST CREDIBLE SHRED OF EVIDENCE.


RealityCheck, laugh.gif , I think you need one. there's an orgy of credible evidence pointing toward government complicity in 9/11, but when you're on your knees licking your master's boots you can't see it. Duh.
MDT
I bet the Empire State Building could have withstood the same hit and would still be standing.
Madkite
I am not arguing the maths on this but you have to consider a few factors about the total energy available.

1. Not all the fuel stayed in the building. Quite a bit must have been wasted when the plain hit and that huge fire ball cane out the other side.

2. No mater how much fuel you add to all your maths it all needs OXYGEN. Jet fuel can burn as hot as you say, but only if supplied with an appropriate air flow like in a furnace. The WTC is not a furnace with a blower forcing air in and how efficiently the fuel was burning is a huge factor in calculating if there is enough heat to destabilize the structure.

There is also pictures of survivors that have come down from the floors above and are standing at the edge of the hole where the plain hit the building! If it was all burning so hot how come they could get there before the tower collapsed!
Guest
I am amazed at the fact that so many people think that the burning of the paper, walls and carpet is negligeable. If it was so negligeable, you'd think no conventionnal fire could exist, since all conventionnal fires are feed with the flammable material already present on the floors - chairs, carpets, paper, computers, walls, cubicules, ext. The temperature of these burning items easily raises above 1000 degree celcius in a closed environment and can burn for days! Ask any fireman.

The 10,000 gallons of jet fuel only started the fire. Even if a large majority of it was trough out the windows during impact, well guess what, it doesnt matter, a cigarette can start a fire!
Guest
The difference between a fire started by an jet impact and a cigarette is that the impact destroys the insulation surounding the steel beams. Whereas - you guessed it- the cigarette doesnt.
Sinclair
Good point Madkite,

In order for Jet Fuel to burn, it needs air. Jet Fuel engine use forced air system, ie. like a furnace, as you mention. 1535º C (2795º F) is the melting point of steel, whereas approx.825º C (1517º F) is the maximum temperature of hydrocarbon fires burning in the atmosphere without pressurization or pre-heating (premixed fuel and air - blue flame).

So there is no way the temperature of the jet fuel could get anywhere near the temperature to melt the steel.

Even if the temperature caused partial loss of the steel strength, the collapse initiation & the free fall would not have occurred as it did. There would have been a leaning of the tower, and not the 'perfect' controlled demolition like collapse that occurred.

The picture of the woman waving shows that the temperatures were not anywhere near hot enough, in the crash/impact area or anywhere else within the structure, to cause catastrophic melting & collapse of the steel.

Well, OK, we can argue till the troops come home, but let's just listen to the firemen themselves............
The following excerpt is from http://www.thememoryhole.org/911/firefighter-tape.htm

On that site, you can stream or download the actual transcripts from the firemen.

For full details, check the site.


1. Ladder 15: “Go ahead, Irons.

1. Ladder 15 Irons: Just got a report from the director of Morgan Stanley. 78 seems to have taken the brunt of this stuff, there’s a lot of bodies, they say the stairway is clear all the way up, though.

9.48am

1. Ladder 15: “What do you got up there, Chief?”

1. Battalion Seven Chief: “I’m still in boy stair 74th floor. No smoke or fire problems, walls are breached, so be careful.”

1. Ladder 15: “Yeah Ten-Four, I saw that on 68. Alright, we’re on 71 we’re coming up behind you.”


9.52am


1. Battalion Seven Chief: “Battalion Seven … Ladder 15, we’ve [only] got two isolated pockets of fire. We should be able to knock it down with two lines. Radio that, 78th floor numerous 10-45 Code Ones.”

10:05 a.m:

1. The south tower of the World Trade Center collapses
Guest
huh? I just said conventionnal fires can burn for days, and they don't have better aeration than WTC. So what makes the WTC so different that air doesnt circulate trough it sufficiantly to sustain a fire, like in every other burning building on the planet?
Guest
QUOTE (Sinclair+Oct 17 2005, 01:54 PM)
1. Battalion Seven Chief: “Battalion Seven … Ladder 15, we’ve [only] got two isolated pockets of fire. We should be able to knock it down with two lines. Radio that, 78th floor numerous 10-45 Code Ones.”

Am I the only one who finds amusing that you put only in brackets, indicating that it wasnt part of the original transcript? The firefigther was obviously talking about the floor he was one and not about the entire building. And even then, it is doubtfull he was talking about the entire floor as opposed to the immediate section he was in.
Madkite
All I'm saying is that ALL these calculations are inaccurate as their is nobody alive to tell you what the conditions were exactly and so determine how hot the fires were.
Guest please explain how people maneged to get to the holes in the building without getting cooked alive. Presumably they were trying to find a way out but were getting choked by the toxic fumes of the fire but that doesn't mean it was a huge fire capable of destroying the building. And that hole collapse seemed very suspicious to me. It fell straight down like a controlled demolition. If a building of that size were to fall down naturally I would expect it to be a lot more messy. That is all I am trying to say.
metamars
Heating of metal in "open air" fires was tested in "car parks" (= junk yards?), where the fire burned for days. Don't recall the exact figure, but I believe the maximum temperature of the metal attained was 361 degree celsius.

That is hot enough to weaken steel by about 1%.

You can find the reference at Hoffman's web site.




MDT
Even if the temperature was not high enough to melt steel, all the fire needed to do was to heat the steel to where it begin to soften just enough to where it could not support the load above it. Once the momentum of the collapse begin it all came down. This probably tells us that the building was built only a slightly stronger than needed to support itself. Materials cost money and building design is influenced by cost constraints.
London to SF
QUOTE (Guest+Oct 17 2005, 02:02 PM)
huh? I just said conventionnal fires can burn for days, and they don't have better aeration than WTC. So what makes the WTC so different that air doesnt circulate trough it sufficiantly to sustain a fire, like in every other burning building on the planet?

Hello a_ht

Taken to posting as a guest use now have you?



biggrin.gif
a_ht
QUOTE (London to SF+Oct 17 2005, 07:19 PM)
QUOTE (Guest+Oct 17 2005, 02:02 PM)
huh? I just said conventionnal fires can burn for days, and they don't have better aeration than WTC. So what makes the WTC so different that air doesnt circulate trough it sufficiantly to sustain a fire, like in every other burning building on the planet?

Hello a_ht

Taken to posting as a guest use now have you?



biggrin.gif

yeah, accidentaly. What I said still stands.
Sinclair
QUOTE
huh? I just said conventionnal fires can burn for days, and they don't have better aeration than WTC. So what makes the WTC so different that air doesnt circulate trough it sufficiantly to sustain a fire, like in every other burning building on the planet?


a--ht,

There were fires burning, of course, but jet fuel remaining within the building (unlikely) after the initial fireball explosion (outside the tower) at the 2nd tower hit, without forced air (pressurised, as in a furnace/jet engine arrangement), would only have reached a maximum temperature of around 825º C (You can add all the packs of copier paper you like & throw in a few wall calendars & carpets, but the temperature would not have exceeded 825º C).

A sustained temperature of 1535º C (2795º F) is required to melt steel (although some reduction in strength would occur before reaching 1535º C.) Any such gradual reduction would cause leaning of the tower & not the rapid almost free fall collapse witnessed. I bet that there were a few packs of copy paper not alight at the far corner of the floor where the aircraft hit. The steel beams in the same vicinity would have have no cause to collapse.

You quote that the fireproofing 'fell off'. Where do you get this info from? The 2nd tower fell after 56 minutes! So the jet fuel somehow burned at temperatures up to 1535º C for 56 minutes to collapse the towers instantaneously??? It does not stack up.

& the poor woman waving from the gaping hole. How do you explain that?, if temperatures were up at even 825º C ????

All we wish for here is some rational discussion of the Physics. Let's stick to that.
a_ht
First, when fuel burns, it does not give a temperature; who the hell started this?? When fuel burns, it gives an amount of Joules. These Joules will go into the nearby materials and raise its temperature. The amount at which the temperature raises by the number of joules in it depends solely on the type of material and its quantity. So if the entire energy of a small camp fire were put into the tip of a needle, it would raise its temperature by 20,000 degrees celcius. Similarly, if the energy produced by a thermo nuclear weapon were spread accross 3 oceans, the temperature would raise by a billionth of a degree. So, it all depends on the quantity and type of matter you put the joules in.

So no, fuel does not burn at 825 degrees. It burns at a miminum of 825 degrees, maybe. It burns at 825 degree in an open uninsulated area, maybe. But it does not burn at a plain flat, unreferenced 825 degree. It instead produces a quantity of energy.
Sinclair
a--ht,

&......................... ???

OK, lets me understand your argument:

Lets agree on the facts:
1) WTC-2 was struck by an aircraft between the 78th & 84th Floor. WTC-2 collapsed after a period of 56 minutes [FEMA report Section 2.2.2.1, Page 2-31]
2) The large quantity of jet fuel carried by each aircraft ignited upon impact into each building. A significant portion of this fuel was consumed immediately in the ensuing fireballs. [FEMA report Section 2.3, Page 2-37]
3) The tower collapsed neatly in a controlled manner within it’s own footprint (as much as was possible) within a time period of 8 to 12 seconds. [Video analysis]
4) There is photographic evidence of a woman looking out from the impact damaged area [Figure 2-15 in FEMA Report]

The FEMA report states “the remaining fuel…flowed down through the building…or burned off within a few minutes of the aircraft impact. The heat produced by this burning jet fuel does not by itself appear to have been sufficient to initiate the structural collapses". the report then goes on to state that the building contents were ignited & that “the heat output from the fires is estimated to have been comparable to the power produced by a large commercial power generating station. Over a period of many minutes, this heat induced additional stresses into the damaged structural frames while simultaneously softening and weakening these frames. This additional loading and the resulting damage were sufficient to induce the collapse of both structures.”

The statement above is all the FEMA report states in respect of the energy necessary to initiate collapse. The FEMA report does not provide any statement of the estimated amount of energy that would be required to cause the steel to melt to instigate the collapse (although some people on this forum have attempted to).

The reference to the “large commercial power generating station” is so flimsy as to be laughable in a scientific report. In addition, the reference within the Chapter 2 section of the FEMA report are all ‘personal accounts’ – no scientific calculations or references are provided.

& Oh, why didn’t the woman burn??? At least answer me that??

Thanks for reading.

S

a_ht
QUOTE (Sinclair+Oct 18 2005, 04:38 PM)
The reference to the “large commercial power generating station” is so flimsy as to be laughable in a scientific report.  In addition, the reference within the Chapter 2 section of the FEMA report are all ‘personal accounts’ – no scientific calculations or references are provided.

Thats one of the reason I've never quoted the FEMA report, or never taken it seriously. The FEMA report was done under a crappy budget, and rushed. The NIST report is were the answers are. It is much more torought and complete. The NIST report explains quite well how the fire propagated trough the floors using heat maps, recorded imagery, impact analysis and fire propagation tests. I guess this is the first you heard about the NIST report because its not much discussed in your circles... another obvious example that you all prefer to take it on the easy targets to cheer yourselves up, rather than face the facts.

QUOTE
Oh, why didn’t the woman burn??? At least answer me that??


The answer is trivial. Because she was in an area were the temperature wasnt high enough to burn her. And no, that is not a problem for any report.
Sinclair
a--ht

OK, one point at a time.......
QUOTE
The NIST report is were the answers are

Why is it then, a--ht, that the reports are STILL in draft format, over 4 years after the event?? Also from the NIST Website it states that NOTE: The NIST investigation of the WTC 7 building collapse is not yet complete. The report on the WTC 7 collapse investigation will be released in draft form for public comment and posted on this web site as soon as it is available. What can the public comment on that the best investigative & forensic minds can't cover??
It seems that they are having a bit of trouble still arriving at an explanation of the WTC-7 collapse. The process of presenting the reports in draft, to invite comment (ridicule) & then they take on board all these comments & ommissions in the final versions (WHICH STILL HAVEN'T BEEN PRODUCED!!!)

In the (Draft) report that has been produced, in the executive summary (Section E3 Summarry of Findings - Objective 1, it states that "The WTC towers likely would not have collapsed under the combined effects of aircraft impact damage and the extensive, multifloor fires if the thermal insulation had not been widely dislodged or had been only minimally dislodged by aircraft impact". Is this the best that tey can do??

In any of the reports, there is no mention of the sattelite thermographic observations of molten metal (not molten steel) in the basements of all three buildings, WTC 1, 2 and 7 (the presence of such is consistent with the use of the extremely high-temperature thermite reaction). The evidence of the high temperatures from sattelite thermographs, and the fact that hot spots & fires continued to burn far down in the rubble piles for over 100 days after the attack, were not mentioned in either of the FEMA or NIST reports.

QUOTE (->
QUOTE
The NIST report is were the answers are

Why is it then, a--ht, that the reports are STILL in draft format, over 4 years after the event?? Also from the NIST Website it states that NOTE: The NIST investigation of the WTC 7 building collapse is not yet complete. The report on the WTC 7 collapse investigation will be released in draft form for public comment and posted on this web site as soon as it is available. What can the public comment on that the best investigative & forensic minds can't cover??
It seems that they are having a bit of trouble still arriving at an explanation of the WTC-7 collapse. The process of presenting the reports in draft, to invite comment (ridicule) & then they take on board all these comments & ommissions in the final versions (WHICH STILL HAVEN'T BEEN PRODUCED!!!)

In the (Draft) report that has been produced, in the executive summary (Section E3 Summarry of Findings - Objective 1, it states that "The WTC towers likely would not have collapsed under the combined effects of aircraft impact damage and the extensive, multifloor fires if the thermal insulation had not been widely dislodged or had been only minimally dislodged by aircraft impact". Is this the best that tey can do??

In any of the reports, there is no mention of the sattelite thermographic observations of molten metal (not molten steel) in the basements of all three buildings, WTC 1, 2 and 7 (the presence of such is consistent with the use of the extremely high-temperature thermite reaction). The evidence of the high temperatures from sattelite thermographs, and the fact that hot spots & fires continued to burn far down in the rubble piles for over 100 days after the attack, were not mentioned in either of the FEMA or NIST reports.

The NIST report explains quite well how the fire propagated trough the floors using heat maps, recorded imagery, impact analysis and fire propagation tests.

Whooooh all these complicated explanation mechanisms & funky graphics. But alas, they only explain things quite well though......... It is hard physics & structural/enegy conservation analysis, with (summarry) calculations provided & computer simulations that are required, not news report transcripts from ABC/Fox News & Personal Accounts (as is present in the FEMA Report Chapter 2 references).

QUOTE
I guess this is the first you heard about the NIST report because its not much discussed in your circles... another obvious example that you all prefer to take it on the easy targets to cheer yourselves up, rather than face the facts

a--ht, One of my first posts here was a reference to the NIST report 'Analysis of Needs and Existing Capabilities for Full-Scale Fire Resistance Testing' which contains details of a survey conducted of historical information on fire occurrences in multi-story (defined as four or more stories) buildings, which resulted in full or partial structural collapse.. In this NIST report (read it here) you can see that the only steel framed buildings which have ever fully collapsed as a result of fire are WTC's 1,2 & 7. I am aware of the NIST organisation & how they are involved in the 'Official' explanations, but you must find it strange that even after 4 years, no official NIST explanation exists for WTC-7. & Why is there this 2-pronged (FEMA/NIST) official line?? Why not combine all the best minds into one investigative body to get to the bottom of the biggest structural collapses/attrocities in history??

& finally
QUOTE (->
QUOTE
I guess this is the first you heard about the NIST report because its not much discussed in your circles... another obvious example that you all prefer to take it on the easy targets to cheer yourselves up, rather than face the facts

a--ht, One of my first posts here was a reference to the NIST report 'Analysis of Needs and Existing Capabilities for Full-Scale Fire Resistance Testing' which contains details of a survey conducted of historical information on fire occurrences in multi-story (defined as four or more stories) buildings, which resulted in full or partial structural collapse.. In this NIST report (read it here) you can see that the only steel framed buildings which have ever fully collapsed as a result of fire are WTC's 1,2 & 7. I am aware of the NIST organisation & how they are involved in the 'Official' explanations, but you must find it strange that even after 4 years, no official NIST explanation exists for WTC-7. & Why is there this 2-pronged (FEMA/NIST) official line?? Why not combine all the best minds into one investigative body to get to the bottom of the biggest structural collapses/attrocities in history??

& finally
The answer is trivial. Because she was in an area were the temperature wasnt high enough to burn her. And no, that is not a problem for any report.

You say that the temperatures were not high enough to burn her, but yet they were (later on) high enogh to melt steel?

Sorry, it does not stack up
Foxx
QUOTE
[by a_ht]

The NIST report is were the answers are. It is much more torought and complete.


I would have to disagree with you a_ht that NIST is being far more thorough and complete in view of the following...

NIST Caught Trying to 'Bury Evidence'

Nist claims in it's NIST NCSTAR 1-3 report (page xliv )
http://oceanmirage.homestead.com/NIST_1_3_008.html
that...

QUOTE (->
QUOTE
[by a_ht]

The NIST report is were the answers are. It is much more torought and complete.


I would have to disagree with you a_ht that NIST is being far more thorough and complete in view of the following...

NIST Caught Trying to 'Bury Evidence'

Nist claims in it's NIST NCSTAR 1-3 report (page xliv )
http://oceanmirage.homestead.com/NIST_1_3_008.html
that...

E.6 Structural Steel in WTC 7...

quote: "No steel was recovered from WTC 7"




Folks, we [b]KNOW
that this is a bold-faced LIE. They are exposed in this 'cover-up' by other federal documents which flatly state that WTC 7 steel was in fact collected...

QUOTE
WTC steel data collection efforts were undertaken by the Building Performance Study (BPS) Team and the Structural Engineers Association of New York (SEAoNY) to identify significant steel pieces from WTC 1, 2, 5, and 7 for further study

Page D1

FEMA - http://www.house.gov/science/hot/wtc/wtc-r.../WTC_apndxD.pdf


and here...

QUOTE (->
QUOTE
WTC steel data collection efforts were undertaken by the Building Performance Study (BPS) Team and the Structural Engineers Association of New York (SEAoNY) to identify significant steel pieces from WTC 1, 2, 5, and 7 for further study

Page D1

FEMA - http://www.house.gov/science/hot/wtc/wtc-r.../WTC_apndxD.pdf


and here...

Two structural steel members with unusual erosion patterns were observed in the WTC debris field. The first appeared to be from WTC 7 and the second from either WTC 1 or WTC 2. Samples were taken from these beams and labelled Sample 1 and sample 2, respectively. A mettallurgical examination was conducted.

C.2 Sample 1 (from WTC 7)
Several regions in the section of the beam shown in Figures C-1 and C-2 were examined to determine microstructural changes that occured in the A36 structural steel as a result of the events of September 11, 2001, and the subsequent fires. Although the exact location of this beam in the building was not known, the severe erosion found in several beams warranted further consideration.


Source: FEMA Metallurgical Report
http://www.fema.gov/pdf/library/fema403_apc.pdf


and here...

The following article appears in the journal JOM, 53 (12) (2001), pp. 18......

QUOTE
An Initial Microstructural Analysis of A36 Steel from WTC Building 7

J.R. Barnett, R.R. Biederman, and R.D. Sisson, Jr.

A section of an A36 wide flange beam retrieved from the collapsed World Trade Center Building 7 was examined to determine changes in the steel microstructure as a result of the terrorist attack on September 11, 2001. This building was not one of the original buildings attacked but it indirectly suffered severe damage and eventually collapsed. While the exact location of this beam could not be determined, the unexpected erosion of the steel found in this beam warranted a study of microstructural changes that occurred in this steel. Examination of other sections in this beam is underway.

http://www.tms.org/pubs/journals/JOM/0112/...erman-0112.html 


-------------------

QUOTE (->
QUOTE
An Initial Microstructural Analysis of A36 Steel from WTC Building 7

J.R. Barnett, R.R. Biederman, and R.D. Sisson, Jr.

A section of an A36 wide flange beam retrieved from the collapsed World Trade Center Building 7 was examined to determine changes in the steel microstructure as a result of the terrorist attack on September 11, 2001. This building was not one of the original buildings attacked but it indirectly suffered severe damage and eventually collapsed. While the exact location of this beam could not be determined, the unexpected erosion of the steel found in this beam warranted a study of microstructural changes that occurred in this steel. Examination of other sections in this beam is underway.

http://www.tms.org/pubs/journals/JOM/0112/...erman-0112.html 


-------------------

The FEMA report calls for further metallurgic investigations, and Barnett, Biederman and Sisson hope that WPI will obtain NIST funding and access to more samples.

http://www.wpi.edu/News/Transformations/20...ring/steel.html 


-------------

Did Barnett and Biederman receive this further funding and additional samples? NO! NIST denied their application.

Now, it has become abundantly clear that they are trying to 'bury this evidence' from WTC 7.

First, in denying further study... and secondly, by attempting to rewrite history, by claiming now that 'no steel was recovered from WTC 7'.
Schneibster
In case anyone has any questions about why I am avoiding this thread, it is plainly and simply because the claim that REAL proof will be followed by the award of a million bucks is plain and simple a LIE. The conditions are stated such that assumptions that are clearly contrafactual must be made before beginning on the content of the "proof." I call BS on this; anyone with a moderately logical mind can see it clearly. If you want to know what I think, stick to the other thread; I have no intention of addressing a COMPLETE LIE.
Schneibster
In detail:

1. The claim that the collapse occurred in 8.5 seconds is a LIE, and is belied by the video evidence. Yet, to win the prize, one is required to show how this could have happened, despite the fact that it DIDN'T HAPPEN AT ALL.

2. The claim that "everything was reduced to dust" is a LIE, and is belied by the photographic evidence in which many large pieces of concrete can be seen, some even being lifted during the cleanup at ground zero; more large pieces can be seen in photos of the dump site after the cleanup was complete. Yet, to win the prize, one is required to show how this could have happened, despite the fact that it DIDN'T HAPPEN AT ALL.

I won't bother to go any farther.
Pops!
Sigh! Both aircraft became cruise missiles of sorts as soon as they made contact with the towers. Under the conditions, almost everything on the 'planes became potentially explosive. Finely divided aluminum and magnesium burn very hot. The higher the fire from the ground the better the oxygen supply; fire-storm conditions in a very small spacial volume. No conspiracy needed.
Thanks.
Foxx
QUOTE (Schneibster+Oct 19 2005, 08:18 PM)


QUOTE
1. The claim that the collapse occurred in 8.5 seconds is a LIE, and is belied by the video evidence. Yet, to win the prize, one is required to show how this could have happened, despite the fact that it DIDN'T HAPPEN AT ALL.


I agree that it is 'rigged' so you can't win. Claiming that someone can win a prize by performing the impossible is almost dishonest. I hope no one is being charged an entrants fee. biggrin.gif

QUOTE (->
QUOTE
1. The claim that the collapse occurred in 8.5 seconds is a LIE, and is belied by the video evidence. Yet, to win the prize, one is required to show how this could have happened, despite the fact that it DIDN'T HAPPEN AT ALL.


I agree that it is 'rigged' so you can't win. Claiming that someone can win a prize by performing the impossible is almost dishonest. I hope no one is being charged an entrants fee. biggrin.gif

2. The claim that "everything was reduced to dust" is a LIE, and is belied by the photographic evidence in which many large pieces of concrete can be seen, some even being lifted during the cleanup at ground zero; more large pieces can be seen in photos of the dump site after the cleanup was complete.


Do you have any links to those photos, Sneibster? I can't seem to find any at the FEMA library, but perhaps I have missed them.
Schneibster
This do ya? Look to the right of the group of three people standing on the rubble pile. Then there's this which mentions sorting personal effects and remains from among "...amid chunks of concrete and steel..." and this which shows several large pieces of concrete in various locations in the rubble pile.
Foxx
QUOTE
by Schneibster...

2. The claim that "everything was reduced to dust" is a LIE, and is belied by the photographic evidence in which many large pieces of concrete can be seen, some even being lifted during the cleanup at ground zero; more large pieces can be seen in photos of the dump site after the cleanup was complete.


Well, not that I disagree with your statement in entirety. The claim which you quote : "everything was reduced to dust" is not true.

Your photos...
http://www.parrhesia.com/wtc/wtc035.jpg and...

http://www.angelfire.com/ny5/tradecencrimes/eh_wtc9.jpg

don't particularly convince me that there are massive chunks of concrete in those pictures, and it is really hard to pick out individual items of debris with a great deal of confidence in what exactly is there. I guess if one were to squint real hard they could convince themselves they were seeing large sections of composite steel / concrete floors. I don't see them myself.

Nevertheless, I don't doubt for a moment that there was some concrete mixed with the rubble, along with bits and pieces of wood, office equipment, etc.

That doesn't change the fact that the majority of the non-steel constituents of the buildings were reduced to 60 micron (and smaller), sized dust particles.

That 3 - 4 inches of dust which blew out from the WTC to settle over southern Manhatten, (as has been clearly shown in many scientific studies) was composed of gypsum, concrete, cellulose, plastics, and other contents of the buildings all reduced to micron sized particulates. Amazingly enough... these constituents were being reduced to micron sized particulate from the very inception of the "collapses" as is evidenced by the pyroclastic flows energetically emanating from the towers.

None of the above, of course, addresses the outright fact that NIST has been caught dead-to-rights lying regarding steel recovered from WTC 7 (saying that NONE was recovered from WTC 7), as is pointed out above, and which was directed to a_ht regarding his confidence in NIST.
Schneibster
Well, that's about what I expected- I see no further point in arguing with someone who ignores evidence they don't like. Bye.
Foxx
QUOTE (Schneibster+Oct 20 2005, 12:13 AM)
Well, that's about what I expected- I see no further point in arguing with someone who ignores evidence they don't like. Bye.

Well, I will get back to your calculations on the other thread after I have had a chance to really analyse them. See you there.

I know what you mean about people ignoring evidence they don't like... such as the fact that NIST is attempting to bury evidence of a forensic nature, and some people would rather ignore such a fact because it doesn't fit with their beliefs.

Cheers
Foxx
QUOTE (Foxx+Oct 20 2005, 12:32 AM)
QUOTE (Schneibster+Oct 20 2005, 12:13 AM)
Well, that's about what I expected- I see no further point in arguing with someone who ignores evidence they don't like. Bye.

Well, I will get back to your calculations on the other thread after I have had a chance to really analyse them. See you there.

I know what you mean about people ignoring evidence they don't like... such as the fact that NIST is attempting to bury evidence of a forensic nature, and some people would rather ignore such a fact because it doesn't fit with their beliefs.

Cheers

Well, I've heard the Schneibsters opinions on the question, a_ht

I would like to hear Your opinion on the relevation that your own organization is involved in a plot to bury forensic evidence related to WTC 7.

What do people at your department think about this???

Mind you... I will understand if you choose not to respond to this post.

As I understand it, many 'grunts' just trying to do their jobs would not want to put their own livelihoods on-the-line to answer questions honestly in an open forum. Look what happened to Kevin Ryan. That should be 'warning' enough, shouldn't it?

I mean, sheesh... if (Kennedy) the President of the United States of America could NOT stand against these wackos, I well understand your hesitance to speak openly regarding the issues on an open forum.

Good luck brother.
manifespo
http://www.saunalahti.fi/wtc2001/military.htm

Writings of a Finnish military expert detailing the mini-nuke used to vaporize steel and concrete.

Don't feed the trolls. They are paid to disinform.
metamars
QUOTE
Writings of a Finnish military expert detailing the mini-nuke used to vaporize steel and concrete.


This IS awfully reminiscent of some of the WTC demolition pictures.




User posted image

User posted image


Q: If there had been any radioactivity in the area, we certainly would have heard about it. So, it the towers were taken down with mini-nukes, I imagine that would have to be mini-hydrogen nukes, which I believe would generate considerably less radioactivity (perhaps none except for the fission trigger?) Do you know anything about radioactive byproducts of hydrogen bombs?


OTOH, the strange case of the collapsing spire which survived the initial demolition suggests that, even if mini-nukes were used, (with the cutter charges to snip columns into 30 ft. pieces), that is not the end of the story.

I heard a couple of years back from a second hand source that the US military already has some kind of beam type weapon which can take out missiles. That would explain these strange failed tests of ABM systems where the target had a homing device. There is no reason to deploy an inferior system....


The following is my post on the Randi Rhodes forum. At the time I wrote it, I didn't know that at least some of the dust was indeed hot:


QUOTE (->
QUOTE
Writings of a Finnish military expert detailing the mini-nuke used to vaporize steel and concrete.


This IS awfully reminiscent of some of the WTC demolition pictures.




User posted image

User posted image


Q: If there had been any radioactivity in the area, we certainly would have heard about it. So, it the towers were taken down with mini-nukes, I imagine that would have to be mini-hydrogen nukes, which I believe would generate considerably less radioactivity (perhaps none except for the fission trigger?) Do you know anything about radioactive byproducts of hydrogen bombs?


OTOH, the strange case of the collapsing spire which survived the initial demolition suggests that, even if mini-nukes were used, (with the cutter charges to snip columns into 30 ft. pieces), that is not the end of the story.

I heard a couple of years back from a second hand source that the US military already has some kind of beam type weapon which can take out missiles. That would explain these strange failed tests of ABM systems where the target had a homing device. There is no reason to deploy an inferior system....


The following is my post on the Randi Rhodes forum. At the time I wrote it, I didn't know that at least some of the dust was indeed hot:





Except for cutter charges, I don't believe that explosives were used in the WTC 1 & 2 demolition. Explosive don't make steel vaporize, slowly (AFAIK).

The Strange Collapse of the Spire

This is about a steel spire, about which survived the main demolition, at first. It's an invaluable clue as to what really happened, as our view of the amazing demolition of this spire is not obstructed by concrete or a dust cloud. The author's description is:

QUOTE
In this view the spire can be seen in the wake of the debris cloud just as it reaches the ground.  (And incidentally at that moment the scene to the left of the dust cloud gets much brighter, a brightness visible in many images.  Its possible source is beyond the scope of this discussion.)  This remnant of the core remains standing for a little less than 20 seconds, swaying a bit from side to side but showing remarkably little inclination to topple over.  It then abruptly begins to drop straight down on itself in an apparent free fall, but after falling for about a quarter of its height it suddenly turns to dust.  It is heavy dust that continues to drop straight down in place with very little dispersion or wind drift, suggesting that the particles were dense, more or less what one would expect to see if the steel of the columns had turned all at once into a coarse powder.


(This last sentence is not what I see, but take a look and you be the judge.)

Scroll down to "Video Clips of the Disintegration", and click on the link http://www.plaguepuppy.net/public_html/spire/spire_1.mpg

(You may have to install the Divx codec)

Observe:

at 13.4 sec. the spire is still vertical, but begins to bend
at 16.9 sec. it begins to collapse into it's footprint
by 17.8 it's clear that the steel is "vaporizing", i.e, the steel beam is becoming "particularized" (I imagine into a fine powder, just like the concrete) and by 20.1 sec., it appears that it has been completely "particularized", as the rate of descent slows down and the steel-beam-mist appears to act more like gas diffusing and not at all like a liquid or solid falling at free-fall speed
by 23.8 sec., it's clear that the spire-turned-to-mist is still there, still diffusing, and still falling SLOWLY. (The entire collapse took about 11 seconds. Subtract 23.8 seconds from 17.8 seconds, and you get 6 seconds. It's obviously not a solid or liquid falling at free fall speed.)


When you combine these observations with the observation of the strange glow, plus other observations that I made here, it's pretty clear to me that these phenomena were not due to "explosives". I have to admit, I don't know much at all about explosives, including exotic ones. Anybody care to inform us about a reasonable candidate?

However, even if there was a chemical agent that could turn solids like steel and concrete into fine powder (and do so without a significant shock wave, so that the very term "explosive" becomes problematical) , how would you apply it evenly along all the length of steel beams?

This spire seems to be vaporizing globally (unfortunately, these pictures lack sufficient detail to say that with much confidence.). The vaporization doesn't seem to start at the top, or at the bottom. It seems to be global. Wouldn't you have to ignite this "explosive", somehow? (Presumably from the bottom, since there's nothing above the top to do the job, and it seems unlikely that there was some type of ignition device right at the top that would have survived the initial demolition.)

I am not aware of anybody claiming that the dust was hot, just like I am not aware of anybody claiming to have found residues of any explosive.

Jim Hoffman, of wtc7.net, has speculated that perhaps a maser was used. Would not a maser create an enormous amount of heat? Enough to make the dust hot? Enough to turn the steel red hot before it vaporized?

I believe some type of exotic, directed energy weapon was used. I believe our military has such weapons operational already, and the reason why ABM tests often mysteriously fail, even when they give the target a homing signal, is because they want an excuse not to deploy an inferior system, and simultaneously have an excuse for requesting money for development, which they can use for other purposes.

The details of such an exotic weapon, you'll have to ask DOD. I'm not in that loop. I do vaguely recall, though, that DOD has sponsored research into chemical powered lasers strong enough to take out ICBMs. Did such a chemical source of energy provide the power for the WTC collapses? If so, was the explosion in the basement due to some malfunction of this chemical power source? Or, perhaps, if these are "one and done" types of weapon power sources, they are expected to explode, and this has no deleterious effect on their function?

To anybody even roughly familiar with the physics involved, the collapse of WTC 1 or 2 due to a single jetliner is energetically impossible. That tells you immediately that it was an inside job, since whether you use explosives, a maser, or some other type of exotic weapon, you need an absolutely ENORMOUS source of energy, which OBL could not have supplied. Thus, we have known enough for quite a while to deduce that this was an inside job.

What this analysis tells us is that the real culprits were not only elements inside the US government, but that these elements included as principle players employees of the DOD.

I now posit a 911 Conspiracy Theory which takes the above into account. The reason that a) Commander-In-Chief Bush was allowed to appear like a total fool by being videotaped sitting on his posterior while Americans were jumping out of WTC 1 & 2 and cool.gif it was allowed to become public knowledge that Cheney was directing fighter traffic on 911, is because DOD players in the 911 treason wanted to make sure that civilians (Bush and Cheney) would be the fall guys if the conspiracy unravelled. That may have been the price of their cooperation.

I hope that all the 911 aware Bush/Cheney haters keep this analysis in mind when they fulminate about the great 911 treason. It is simply not a rational point of view to consider this a Republican dirty trick writ large, IMHO.

For an understanding of deep politics, start your reading with Peter Dale Scott at globalreseach.ca.


Being somewhat of a student of the Kennedy assassination, I think it's downright silly to take partisan politics as sole explanation for how power really works in the US government. Fletcher Prouty, who knew the members of the Joint Chiefs of Staff, and was the real life analog of "X" in Oliver Stone's JFK, offered to name high level conspirators in court, if only a proper trial would be undertaken. Of course, people asked him who these people were. Did they include the Joint Chiefs of Staff? He invariably refused to answer these questions. (Possibly due to being friends with some of these individuals)


Towards the end of his life, though, he did answer the question of who in the Joint Chiefs of Staff knew about the Kennedy assassination conspiracy - out of court. Prouty is supposed to have said "All of them (knew)." If that seems unlikely to you, you obviously don't know about Operation Northwoods.

Think of that next time you want to blame Bush and Cheney as top guys in the 911 plot.



=========================================================================

N.B. I'd like to make an intuitive argument (which may be partly goofy) about why explosives don't explain the WTC being turned into dust. If you take a hammer, you can very easily smash a pecan in the shell into little pieces. You do that by putting it on a hard surface and start banging away.

Now, if you drop the pecan from a height and swing the hammer as fast as you can as the pecan gets to your level, relying only on the inertia of the pecan to create enough 'resistance' to your swing, you will never be able to swing fast enough to break the pecan even into two pieces.

Now, if you happen to have a concrete basement, go downstairs and smack that basement as hard as you can with a hammer. Thus, you can get an intuitive idea of how much energy would be needed to pulverize concrete against a fixed resistance.

If you're blowing up a piece of concrete, as the concrete begins to disintegrate, there is no longer any "fixed resistance". You need to hit the concrete with a shock wave strong enough that it's inertial resistance is sufficient to allow pulverisation. It's not simply enough to figure out how much energy you need to pulverize concrete if you put it in a grinder. You also have to figure out how much additional energy you need for the strong-enough shock wave, much of which (most, I believe) will go into expanding air.

IMHO, explosives strong enough to pulverize concrete into 60 micron powder would have blown up all of Manhattan. That is just a guess - I have not calculated it any way. But this is my guess, and I'm sticking to it.

Foxx
I certainly agree with that part above regarding Bush being set in the position of being the fall-guy in the event that things begin to unravel, (as they are now doing).

Unfortunately, this fall-back position is designed to protect the real perps from exposure... just like when they let Nixon go to protect themselves from a deeper investigation into what was REALLY behind Watergate.

The war-machine must be protected and carry on, no matter who is in power. After the Northwoods operation was nixed by Kennedy...

well, we all know what happened to that "most powerful man on earth"
London to SF
QUOTE (Foxx+Oct 20 2005, 05:46 PM)
I certainly agree with that part above regarding Bush being set in the position of being the fall-guy in the event that things begin to unravel, (as they are now doing).

Unfortunately, this fall-back position is designed to protect the real perps from exposure... just like when they let Nixon go to protect themselves from a deeper investigation into what was REALLY behind Watergate.

The war-machine must be protected and carry on, no matter who is in power. After the Northwoods operation was nixed by Kennedy...

well, we all know what happened to that "most powerful man on earth"

Sad, but probably true...
...all of it.


Vive le revolution

tongue.gif
manifespo
Do you think the mainstream media will ever broach the topic of 911 demolition?

So far anyone questioning the official conspiracy theory has been ridiculed.
CHUCKLES
[SIZE=1] hey schneibster! why you wastin time and smarts on f***wits for man? aint you figured out that those basic-phys and prove-collapse threads are REALLY just conspiracy-theories threads? they aint intersted in no physics man, just more idiocy from other conspiracy theorists man...report them to the bosses and have em moved to conspiracy theory forum or even wiped complete from physics site...hooo man what a chuckle these knucklehead redneck wouldbeanarchists give me on a slow day...they'r a riot schneibster! just leave the threads to snap under the dead weight of stupidity hangin off of it from word one. admire you'r smarts and persistence though, buddy...but take advice from chuckles, use it where it makes a differnce hey? leave em to rot is my motto! peeuu....the smell of ignorance is sicklysweet an all over these conspiracy threads. bye all, and keep away from these nutjobs on steroids................[SIZE=1]
Piper
The corporate mainstream media is just as guilty of this crime as the government is. As long as the multinationals who own and control our media and government (and profit from the war) like the way things are going, they will allow nothing to be revealed. And if you don't toe the line you're out of a job... or worse.

Take the total lack of coverage of the Downing Street memos, the lack of questions asked about 9/11 (the Air Force standdown orders, WTC7, the destruction of crime scene evidence, stock market irregularities, etc.) or how long it took for the Fitzgerald trial to finally be covered in the mainstream - and then only because people were phoning up the media and asking why this important story they read on the internet was not being covered. There are massive anti-war protests in the U.S. and all over the world, yet none of that makes the mainstream "news".

Turn off your TV! I did that six months ago and I feel like I kicked a really nasty habit. Their control does not extend to the internet (yet) and you can find the truth out there on independant news sites - before it is too late. Just learn to recognize and avoid government shills like a_ht whose JOB it is (see last post on this page) to lead you down the path of lies and deception. These people don't care about the truth, or about you, or about life. All they care about is money and pleasing their masters, and they get paid to frequent messageboards and defend the government.

How many people do you know who would defend the government without actually getting paid to do so? These greedy liars are not willing to assign even one iota of blame for ANYTHING to their terrorist employer. They use ad hominem attacks, post anonymously as "guest" (as seen in this very thread!) and have a list of insults to go through and use when they can, along with a list of the best ways to distract or lead people away from thinking about the various murderous lies that they are there to defend.

These "people" sold their souls to defend monsters, and they don't even deserve our pity. mad.gif
Foxx
QUOTE (manifespo+Oct 21 2005, 01:04 AM)
Do you think the mainstream media will ever broach the topic of 911 demolition?

So far anyone questioning the official conspiracy theory has been ridiculed.

I personally doubt that such will be addressed in the mainstream media within the next 50 years or so... unless some major disclosure is made (such as finding 'work-orders' signed by the perps - and we all know how likely that is to happen).

Confessions from conspirators aren't likely. Dead men don't talk and even if one (or a number) lived to report their confession they would be ridiculed and marginalized as crazy tin-hats.

A thorough debunking of NIST's hoax will help, however the real problem here is that most 'engineers' are tied in one way to another to gov't jobs, feel quite secure in those gov't jobs, and know that it would be career suicide to start expressing doubts about the 'official' line.

Three examples...

Thomas Eagar (promoted the official line) and was rewarded with a cushy job in Homeland Security

Van Romero (withdrew his initial skepticism) and received major funding for projects he was involved with.

Kevin Ryan (stood his ground for the truth) and his career was ruined.

Faced with those alternatives, what do you think the majority of people would choose.

Impeachment proceedings or other criminal action suits against top-level administration officials might be able to expose the truth IF the sleeping majority were to wake up and demand a full accounting, but again I think even if truly independant investigations began, as soon as discoveries started to lead into the machinations of the rogue military-industrialists behind all of this, those public officials would be sacrificed as fast as possible, and be replaced with another group of puppets.

Sorry, if that sounds pessimistic.

The only way I see that the 'monsters' can be exposed would be for the vast majority of Americans to wake up to reality and recognize the atrocities committed by the foreign policies of their 'government' over the past 50 years or so and take active steps to dismantle the might of the military-industrialists.

Of course all the above is just IMHO.
Sinclair
I thought I'd post a link for anyone who is interested in making themselves aware of more of the anomalies surrounding the horrific events of 9-11.

The arguments/debates on the Physics side of things is just one small part of the overall unsatisfactorily answered questions.

The following link is to another forum where the initial post contains many photographs & URL links to reference articles, videos etc. etc.
http://www.chemtrailcentral.com/forum/thread8820.html
The page takes a while to load (with all th photographs) but it serves as a good starting point for anyone on this Physics board who wishes to explore the subject of the 9-11 events further.

I know some folks wish to sweep the whole subject under the carpet, but only by airing the subject will any truth be arrived at.

Thanks,

Sinclair
metamars
QUOTE
Surprisingly, I actually find myself agreeing with a_ht on this one particular point.

I have just sent an email to Jimmy Walters at reopen911.org, with the following message:

QUOTE

Dear Mr. Walters,

Thank-you again for doing your patriotic duty to help expose the 911 coverup.

Your contest is a wonderful effort in this regard, but suffers from a severe defect. The collapse time that you state, 8.5 seconds, is probably too short, being closer to 12 seconds. Jim Hoffman has looked at this closely, and you can find details here:

http://911research.wtc7.net/wtc/analysis/c...s/freefall.html

Please correct this aspect of your contest ASAP. You have no need to fear AT ALL of anybody winning your contest, since very simple calculations of total energy show that global collapse is impossible.*  Also, Hoffman has shown that the energy needed to drive the expansion of the dust cloud is easily 10 times the known energy sources.

* see my post at http://forum.physorg.com/index.php?showtop...indpost&p=29623



I have just received a reply from reopen911.org to the email I sent above:

QUOTE (->
QUOTE
Surprisingly, I actually find myself agreeing with a_ht on this one particular point.

I have just sent an email to Jimmy Walters at reopen911.org, with the following message:

QUOTE

Dear Mr. Walters,

Thank-you again for doing your patriotic duty to help expose the 911 coverup.

Your contest is a wonderful effort in this regard, but suffers from a severe defect. The collapse time that you state, 8.5 seconds, is probably too short, being closer to 12 seconds. Jim Hoffman has looked at this closely, and you can find details here:

http://911research.wtc7.net/wtc/analysis/c...s/freefall.html

Please correct this aspect of your contest ASAP. You have no need to fear AT ALL of anybody winning your contest, since very simple calculations of total energy show that global collapse is impossible.*  Also, Hoffman has shown that the energy needed to drive the expansion of the dust cloud is easily 10 times the known energy sources.

* see my post at http://forum.physorg.com/index.php?showtop...indpost&p=29623



I have just received a reply from reopen911.org to the email I sent above:



Thanks. Have updated the site to reflect below

Here is an explanation of the timing from Eric:
Explosives inside the building simply cannot be invoked to explain a faster
than free fall collapse; AND IT DID NOT HAPPEN THAT FAST!
******

But who among us is saying that the collapse was faster than free fall?

I am saying that the seismic data is evidence that the steel structure was
broken by explosives in 8.4 seconds.

Also, the sequence of photos in my book on page 50 to 55 show big steel
beams falling, and notice that the explosives are staying slightly ahead of
the falling beams.

That shows exactly what the seismic data shows; namely, the explosives were
shattering the building slightly faster than the rubble was falling.

The small particles took a many seconds longer than 8.4 seconds to hit the
ground.

The steel beams were falling at free fall speeds.

Eric
2cents
do your parents know you are playing on their computer? and if they do, i bet your dad is crossing your name off of his will at this very moment...
manifespo
^^Glad to see you are fulfilling your paid job as a troll. I'm sure YOUR parents are proud.
new here guest
QUOTE
The videos and seismic records show that the time of one collapse was approximately 8.5 seconds. Therefore:

s = ½ * 32 * 8.5²
s = 1156 feet

However, WTC 1 (the north tower) had a roof height of 1,368 feet. WTC 2 (the south tower) was nearly as tall, with a roof height of 1,362 feet. Each floor was therefore approximately 12.5 feet. Since the tower collapses began below that, approximately 10 floors, the collapse should have taken approximately:

1,368 - 125 = 1,243 or approximately 1250 Feet

1250 feet = ½ * 32 * 8.8² seconds

It is therefore proven that the towers collapsed at very close to free fall speed, perhaps faster since there is air resistance to consider. It is impossible for the floors to have been crushed and fall faster than free fall or slightly slower.



Rediculous!!

FASTER than free fall. The only way for that to occur would be to strap on jet packs and power the building down. Not even the craziest conspiracy proponent is claiming that!!

So, if that 8.5 second collapse time is faster than free fall then we either have to rewrite the laws of physics (Scott to Kirk: It canna be done Cap'n)
OR
that 8.5 second figure for the collapse time is in error.

I vote for the latter, but that's just me own opinion.
new here again
QUOTE
I am saying that the seismic data is evidence that the steel structure was
broken by explosives in 8.4 seconds.


In other words the author assumes the existance of explosives by interpreting spikes in an 8.5 second segment of seismic data that shows a much longer disturbance at the WTC. This is done with no explaination of how this conclusion was reached or any explaination of what the rest of the seismic data represents.
Temp
No steel frame hi-rise ever collapsed from fire. Three collapsed on 911. None since.

http://www.whatreallyhappened.com/spain_fire_2005.html
SmeegTheSkreeg
Ok, I really dont have time to go through this whole thread, but for those who care, heres some chem/math

http://www.the7thfire.com/jet-fuel-WTC.htm

And also, aside from fire temps and what burned when and everything else, how does one explain the explosions clearly visibly preceeding the collapse as the debris moves down the building??? I didn't know jet fuel could do that too. This is undenyable, it can clearly be seen in videos with a perspective so see under the falling cloud, from various angles, and at various places on the towers (ie, different floors and different sides of the building).

Chew on that, and if you still think the government had nothing to do with 911 after everything that has ALREADY come out, well then you're either stupid, you havn't been listening, or youre trying to cover something up yourself.
Patrick
QUOTE (Temp+Oct 28 2005, 08:03 AM)
No steel frame hi-rise ever collapsed from fire. Three collapsed on 911. None since.

http://www.whatreallyhappened.com/spain_fire_2005.html

Hey Einstein: aside from WTC, how many steel-frame high-rises have suffered direct hits from 767's traveling at ~500mph, and fires fueled by thousands of gallons of jet fuel?

Lots right?
new here
QUOTE (metamars+Oct 22 2005, 09:48 PM)



I have just received a reply from reopen911.org to the email I sent above:

QUOTE


Thanks. Have updated the site to reflect below

Here is an explanation of the timing from Eric:
Explosives inside the building simply cannot be invoked to explain a faster
than free fall collapse; AND IT DID NOT HAPPEN THAT FAST!
******

But who among us is saying that the collapse was faster than free fall?

I am saying that the seismic data is evidence that the steel structure was
broken by explosives in 8.4 seconds.

Also, the sequence of photos in my book on page 50 to 55 show big steel
beams falling, and notice that the explosives are staying slightly ahead of
the falling beams.

That shows exactly what the seismic data shows; namely, the explosives were
shattering the building slightly faster than the rubble was falling.

The small particles took a many seconds longer than 8.4 seconds to hit the
ground.

The steel beams were falling at free fall speeds.

Eric

Amazing!!

The buildings were well docuemented as being over 1300 feet high and a free fall time from that high is over 9 seconds but this guy still insists that the buildings fell in 8.4 seconds and that 8.4 seconds is not less than free fall time.

Yes, his money is safe. blink.gif
metamars
QUOTE
The buildings were well docuemented as being over 1300 feet high and a free fall time from that high is over 9 seconds but this guy still insists that the buildings fell in 8.4 seconds and that 8.4 seconds is not less than free fall time.



His reply is, indeed, "off". I didn't pay attention when I posted the email reply. Frankly, I've never paid much attention to any "compare with free fall" argument (except to note that it's close to free fall time, and thus suggestive that something is very wrong with the official version), since those arguments seemed to be devoid of quantification of the level of force resistance, and comparison of this to what was known about the strength of the building.

Apparently, Eric (I assume Eric Hufschmid) has identified the largest amplitude seismic perturbation as the source of his collapse time. I have measured this via the following, and get 8.2 sec for WTC1 and 8.9 sec for WTC2. (My measurement technique is partly subjective, but I did use a pixel measuring program to try and get exact measurements of my no-doubt-inexactly-chosen end points.)


From http://911research.wtc7.net/wtc/evidence/seismic.html

WTC 1
User posted image

WTC 2
User posted image

While these are close to 8.4 seconds, it's not clear that this alone validates Hufschmid's interpretation. Eric claims that this seismic record matches up with video, but the question is: what does this mean? From reopen911.org, we read:

QUOTE (->
QUOTE
The buildings were well docuemented as being over 1300 feet high and a free fall time from that high is over 9 seconds but this guy still insists that the buildings fell in 8.4 seconds and that 8.4 seconds is not less than free fall time.



His reply is, indeed, "off". I didn't pay attention when I posted the email reply. Frankly, I've never paid much attention to any "compare with free fall" argument (except to note that it's close to free fall time, and thus suggestive that something is very wrong with the official version), since those arguments seemed to be devoid of quantification of the level of force resistance, and comparison of this to what was known about the strength of the building.

Apparently, Eric (I assume Eric Hufschmid) has identified the largest amplitude seismic perturbation as the source of his collapse time. I have measured this via the following, and get 8.2 sec for WTC1 and 8.9 sec for WTC2. (My measurement technique is partly subjective, but I did use a pixel measuring program to try and get exact measurements of my no-doubt-inexactly-chosen end points.)


From http://911research.wtc7.net/wtc/evidence/seismic.html

WTC 1
User posted image

WTC 2
User posted image

While these are close to 8.4 seconds, it's not clear that this alone validates Hufschmid's interpretation. Eric claims that this seismic record matches up with video, but the question is: what does this mean? From reopen911.org, we read:

There is a sequence of photos in Eric Hufschmid's Painful Questions on pages 50 to 55 showing big steel beams falling that the explosives are staying slightly ahead of the falling beams. That shows exactly what the seismic data shows; namely, the explosives were shattering the building slightly faster than the rubble was falling. The steel beams were falling at free fall speeds.


As students of the WTC collapses know, portions of beams "neatly" snipped into approx. 30 ft. lengths were ejected laterally* during the collapse. Probably Eric is referring to these. I don't have a copy of his book, but the following picture indicates that Eric is wrong about this particular Tower, at this point in the collapse process:

User posted image

Clearly, the lowest falling beams, as well as the lowest "fizzling", large, falling chunks of building, are beating the dust-ejecting collapse zone to the ground. It looks like by at least about 20 floors, in this picture.

Perhaps the other tower's collapse was the one Eric was referring to, but I'm skeptical. I suspect that what happened is that, since the falling chunks of building were "fizzling", they created an expanding dust cloud as the buildings collapsed that obscured the non-collapsed sections of the WTC towers that were still above the lower edge of this dust cloud. If this is the case, it's only natural that the rate of free fall be almost exactly the rate of the free-falling-chunk-of-WTC-fizzle-originated dust cloud. Calling this the "collapse time" is clearly wrong. Also, it was pointed out by Trumpman (http://911research.wtc7.net/papers/trumpman/CoreAnalysisFinal.htm) that the floors 96-98 did indeed collapse as very close to free fall speed. Perhaps Eric just paid close attention here, and made a false inference regarding the rest of the collapse, as indicated above.

(Of course, these fizzling chunks of WTC building themselves are yet another unexplained mystery that FEMA Fairy Tale believers choose to ignore or just wave their hands about.)


I will send another email to reopen911.org and refer to this post. It's no use to have a contest that nobody will even attempt if they are being asked to prove free-fall (or even faster than free-fall) collapse times on top of showing steel framed building collapsing on themselves, etc. I don't need to believe in free-fall collapse times to know that the FEMA Fairy Tale is worthless, and I don't see why anybody else has to, either.

Does anybody out there have the pages of Eric's book that they can scan and post? I would like to see his presentation to see if he perhaps uses a different Tower or different stage of collapse.


Hoffman gives these times based on the seismic signal of the North Tower:

10:28:23 North Tower starts to crumble
10:28:31 Rubble starts to hit the ground (start of big signal)
10:28:36 The heaviest rubble hits the ground (peak of big signal)
10:28:39 Most heavy rubble has reached the ground (end of big signal)


* I've never seen any analysis of how "lateral" "lateral" is. In other words, some of the steel beams may have been ejected with downward momentum, but I don't know how much and I doubt anybody else does.

Actually, this suggests a method of analysis, since, if it turns out that deviation of essentailly all laterally ejected 30 ft. steel beams are within 1% of horizontal, you have a huge problem (I would think) to explain this as due to gravity driven collapse.

Also, what was the average ejection speed from the first collapsed floor vs. , say, the 5th floor? If they're essentially the same, I would think this argues for demolition. If deviation from lateral is minimal, this sort of analysis should be doable, in spite of the obscuring dust cloud near the towers.
new here
I was pointing out the idiocy of the contest. The line about faster than free fall jumped out of the page at me.

How can anyone take Walters or Eric (I assume Eric Hufschmid too) seriously if they put forward stuff like this?
metamars
QUOTE
I was pointing out the idiocy of the contest. The line about faster than free fall jumped out of the page at me.

How can anyone take Walters or Eric (I assume Eric Hufschmid too) seriously if they put forward stuff like this?


Apparently, they already altered their contest description in response to my first email. I hope they admit their mistake, and quickly, and alter their contest description to fit the facts.

I can't help but agree that this casts a shadow over the credibility of Hufschmid, but honestly, most of his info re 911 seems correct.

(Which is not to say that I think much of some of Hufschmid's other beliefs, e.g. that the US faked lunar landings. tongue.gif )

Really, the contest description should be re-written more clearly and in a more quantitative fashion. Furthermore, why even make it so hard? If I were Walters, I would offer a prize to anybody who could show that the government versions of collapse did not violate conservation of energy.

Or, more precisely, that government-inspired versions of collapse do not violate conservation of energy. Hoffman has studied the 10,000 page NIST tree-waster, and found that NIST explains the process by which local collapse leads inevitably to global collapse NOT AT ALL http://911research.wtc7.net/essays/nist/index.html

Heck, if I was Jimmy Walters, I would offer the prize to anybody who could show ANY plausible scenario, via computer simulation, in which a 3-5 story local collapse is granted, that leads to global collapse.
new here
Well my explanation would be that Walters isn't truly prepared to part with his money so the contest will be set up with very tight rules. IIRC wasn't there another contest that was open only to engineering students, not engineering Ph.D's not practising engineers, only students.


It seems highly suspicious but then may be I am to ready to see a conspiracy smile.gif
Lenny
Please this site is to debunk the thruth, loose change is the real story...
This site is full of illuminati.
CptColumbo
"Loose Change" has many distortions and in some cases lies.
Most are documented here:

http://tinyurl.com/epp82

If you have any further questions about 9/11 come to the JREF forum and we will be glad to answer them to the best of our ability. We have members with education and experience in physics, structural engineering, metalurgy, and even demolitions.
Guest
I didn't read this whole stream so someone may have already pointed this out.

It's been shouted over and over again that the only thing that could bring down that building is a thermite detonation. It's true that only thermite and its cousin thermate burn hot enough to MELT high grade steel. The thing about this argument is that the steel does not need to turn to liquid for the building to collapse. Any metal worker would tell you that you can weaken and reshape steel by heating it until it become malleable and then placing it under a lot of pressure. The building weighed, what, a billion lbs? That's a lot of pressure. The joints would probably have heated, weakened, then snapped.

Also, when pre-heated, (like say from jet fuel and plastic office furniture) thermite can become very unstable and may ignite prematurely, making a "controlled timed" explosion pretty risky. Not to mention the fact that the temperatures inside the building, while not hot enough to MELT steel, were hot enough to ignite the charges that set off the thermite.

Some people sight the testimonies of people on the street that say they heard an explosion. This has to mean that there was a controled explosion right? <--Sarcasm The steel likely did not melt. No argument here. It did, however, likely break. What do you think a large steel beam would sound like if it broke? Possibly a big bang? Have you ever heard a car crash? I have and, to me, it sounded like an explosion. It would be reasonable for people to say the falling of the buildings sounded LIKE and explosion. This doesn't mean that there was an explosion.

Others say the videos of the collapse clearly show several small explosions as the building came down. If the floors did sandwich on top of each other the collapse of a ceiling on to the floor would have forced out a lot of air. It's not unreasonable to think that that compressed air would force out the windows and create a ploom of smoke which were what I saw. Hardly the thermite explosions you can find on videos of actual controlled explosions.

By the way, all this talk of thermite explosions has given the real terrorists a good idea. It's legal to check a bag with thermite in it. If I wanted to drop a building, I would check a few bags of thermite with some magnesium strips and crash that plain into a building.

Just a thought.
debbie77
The million dollar prize is kind of disingenuous, because he knows he'll never have to pay it out due to the fact that it is impossible for those buildings to collapse without explosives.

FACT: If you took the entire 110th floor of the world trade center and through it off the roof of the building, it would take a little less then 10 seconds to hit the ground.

FACT: Both the north and south towers at the world trade center collapsed completely and totally in less then 10 seconds or at “free fall speed”

Conclusion:

Since the towers collapsed at “free fall speed” something had to break those floors loose before the floor above it fell onto it. High explosives had to be planted in those towers prior to September 11th. Not Maybe! Had to!

The pancake theory is therefore scientifically impossible and an insult to the intelligence of the American people.

Other evidences can be discussed until the cows come home that prove control demolition was used on 9/11, but that's all irrelevant because the free-fall aspect alone proves explosives had to be used.

Some people try to split hairs and say it wasn't exactly free-fall speed, but in fact may have been a fraction of a mile second slower than if they fell in a complete vacuum, but that too is irrelevant, because in order for the buildings to fall to the ground as fast as they did, the resistance factor had to be removed before the floor above it crashed down on the floor beneath otherwise it would have delayed the rate of decent.

What you have here is not so much a battle of the scientists, but a battle between people trying to speak the truth against people who are trying to defend a ridiculous lie, otherwise known as the pancake theory.
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