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Originally posted by bsbray11
So how do you see "shock waves advancing at supersonic speeds"?
Originally posted by Pilgrum
Any hypothesis requiring continuous embellishment with increasingly fantastic technology to make it work seems to indicate it's on the wrong track.
Originally posted by Griff
You mean like NIST's computer models?
Originally posted by Pilgrum
If you were ever a live witness to a powerful explosion like 500lb or more of HE for example (hollywood type pretend explosions don't count) you wouldn't have to ask and yes I have witnessed such demonstrations.
I have tertiary qualifications in engineering that required a large component of physics/maths and I've been employed in the heavy mechanical/electrical engineering field for over 40 years. If there was a sure sign of large enough explosion(s) to destroy a 500 000 ton object I'd expect it to be extremely obvious to everyone, qualified or not.
Originally posted by Pilgrum
How many fusion devices were used in the NIST modelling program?
Originally posted by bsbray11
The rumor I've actually heard (supposedly from construction worker oral histories, which are apparently no longer existent, or at least I can't find them), was that each floor had to be cleared of everyone except those with special security clearance from the PA, before each floor's concrete was laid. Then those with the special clearance laid a thin layer, about 1/4 inch thick, of an orange substance across the whole floor. Then the other construction workers were brought back on to lay the concrete. Supposedly this was very controversial because it was holding up construction...
Originally posted by 0ivae
Just a wild conjecture on my part, but as noted in reply to post by Insolubrious
while the films of Project Dugout do evince similarities to the WTC demos, these tests were non-nuclear. Look at the video, around 4 minutes in, we see a cartoon of an explosive orange substance being pumped into underground spheres. In comments, "techguy" suggests nitromethane is the explosive. Is this plausible in the case of the WTC?
And, are you familiar with the statements of Paul Laffoley
From Wiki (note the OKC example)
Nitromethane was not known to be a high explosive until the 1950s when a railroad tanker car loaded with it exploded. After much testing it was realized that nitromethane was a more energetic high explosive than TNT, although TNT has a higher velocity of detonation and brisance (shattering power against hard targets). Both of these explosives are oxygen poor and some benefits are gained from mixing with an oxidizer, such as ammonium nitrate. One graphic example of this was the use of nitromethane and ammonium nitrate on the Alfred P. Murrah Federal Building at Oklahoma City. Pure nitromethane is an insensitive explosive with a VoD of approximately 6200 m/s, but even so inhibitors may be used to reduce the hazards.
----
Originally posted by 0ivae
Just a wild conjecture on my part, but as noted in reply to post by Insolubrious
while the films of Project Dugout do evince similarities to the WTC demos, these tests were non-nuclear. Look at the video, around 4 minutes in, we see a cartoon of an explosive orange substance being pumped into underground spheres. In comments, "techguy" suggests nitromethane is the explosive. Is this plausible in the case of the WTC?
Originally posted by ferretman2
I was 600 feet away when the first tower collapsed. There was no explosion, just a very load and long rumbling. And yes, I did watch the the top collapse before turning away and running.
Originally posted by Damocles
to do any real damage it would take a significant sized device and im not sure that it would have escaped notice...in jersey. but thats ONLY my opinion.
Originally posted by Griff
This is what holds me back also. How much noise does a directed energy hydrogen device emit? Does anyone know? I'm just curious.
Originally posted by SteveR
It produces a rumble.
There was such a sound when the towers fell.
If you heard a 100 story building fall before, perhaps you could have a good frame of reference to extrapolate the sound.. but as it stands, most will attribute the sound to all the material.
Originally posted by Damocles
i would be interested to know where you form this opinion in all honesty.
is there any way to know for sure though that this rumble was not caused by things falling inside the building before the top fell and the sides of the building started to peel away
Originally posted by SteveR
Hello Damocles, every audible recording of a nuclear weapon detonation is a rumble. A very consistant rumble.
is there any way to know for sure though that this rumble was not caused by things falling inside the building before the top fell and the sides of the building started to peel away
Controlled demo's have a different sound to my ear, more varied, more material crashing sounds. The rumble on 9/11 was again, very consistant beginning to end.