[reagan_fanatic]

The laws of physics alone cannot explain why steel-reinforced towers would implode as a result of mere airplanes crashes, Griffin insists.

Let's see - exploding jet fuel, massive hot fires which soften steel support girders which in turn hold thousands of tons of steel and concrete and depend upon their rigidity to hold said materials, and this nut thinks this is not enough to start the collapse of the towers.

What an insufferable idiot.

[DarthVader]

The laws of physics alone cannot explain why steel-reinforced towers would implode as a result of mere airplanes crashes, Griffin insists.

As a scientist myself it makes me cringe when I hear these idiots talk. You hit the nail right on the head, the dynamic mechanical properties of a material change radically when heated. Your explanation is perfectly correct.