FBI calls half of populace with 9/11 doubts potential terrorists

[Gravitycollapse]

129. Do you understand what "order of magnitude" means?

It is an exponential function of 10. If we were, for instance, saying it was 3 orders of magnitude weaker, we are saying that it was 1000 times weaker.

There is nothing abnormal about the weakening of the steel. It was simply the case that the overall claimed integrity of the structure did not match the physical limitations of the material it was constructed from.


Building 7 collapsed in a similar manner, although it was also damaged extensively by the collapse of the towers. The fires that raged for hours, fed by tanks of fuel, substantially weakened the internal support structure to the point that collapse became imminent. Just as with the towers, visible sagging was clearly evident and technically speaking, the collapse occurred over many hours.