Ghostrider, on 4 May 2011, 22:31, said:
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But more importantly, it's physically impossible and chemically proven, beyond any doubt, that it was not the planes flying into the buildings that caused the buildings to collapse.
First off, the towers were designed from the start on to be capable of sustaining
several jet impacts and survive. Second, the official report that still stands to this day states the reason for the collapse to be the melting of the steel core beams of the towers due to the fires of the exploding jets. However, kerosene does not burn nearly hot enough to melt steel. Even if the thermal insulation on the steel had somehow been blown away on all columns at once, the steel would not have melted. Third, you can see even with the naked eye in several ways that the impacts did not cause the collapse as it wasn't the impact centres that collapsed first; they were actually one of the later sections to collapse. It's especially obvious when you see that as soon as the towers start collapsing you see a huge cloud of dust at the
bottom of the towers which is impossible if the buildings had collapsed to the impacts for obvious reasons. The buildings also fall at free fall speed which is impossible in the scenario suggested by the official report where the collapse of the top floors would strip away all the floors due to the impact of the subsequent floors hitting them, especially since this would leave the core columns standing. Fourth, the dust you see in the collapse at the bottom is white, not grey, and much finer than you'd see in the pulverising of concrete as the dust can only be several microns in size if you look at their weightlessness. These are thought to be aluminium oxide; a byproduct of a thermite reaction. Thermite is an incendiary mixture used in rail welding and controlled demolition that does the following reaction;
Fe
2O
3 + Al ---> Fe + Al
2O
3
in other words rust plus aluminium powder gives iron and aluminium oxide which is exactly what you see. Furthermore, XPS, TEM/SEM and TRS (i.e. electron microscopy and elemental analysis) analysis of the dust from the collapse show quite clearly that tiny iron spheres and sulphur residues are present which is exactly what happens when you ignite Thermate, a military version of thermite containing sulphur. The spheres can only evolve from molten iron droplets which is not possible to create during a fire and which has been independently proven to be the exact same result as that of a thermite explosion. Even unreacted particles of thermate were found at the scene. Fifth, the scene of ground zero, four to six weeks after 9/11 were found by thermal imaging to contain hotspots, which when dug up, turned out to be pools of molten iron in the deepest foundations of the tower. These can impossibly have evolved from the collapse or the airplanes for obvious reasons. Thermite however burns at about 2500 degrees C (about 4500 F) which is hot enough to create pools of molten metal that would've stayed hot for as long as they did. The core columns also showed a very obvious clean-cut profile typical of controlled demolition. Though to be fair these pictures were taken while the stuff was being excavated and therefore it's possible the salvage workers simply used a thermal lance to cut the columns away, no report of this was ever put forward. All of these profiles also fit the collapse of Building Seven perfectly, which not even a plane flew into before it collapsed. Sixth, the seismographic data from the scene at the time shows two shocks, one for each tower, right before the collapses twenty times as heavy as that of the measured impact of the jets.
I'd also put forward the countless eyewitness accounts of people who saw and heard explosions in the towers including the 118 firemen who attested to this and who were proficient with controlled demolitions as well as the crown witness who died shortly of unknown causes but those are not science and as such I personally disregard them, though I thought other people might enjoy it.
What conclusion to draw from it is a different story, though I'd say it's more than obvious it was NOT airplanes that caused it.
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