/sci/ - Science & Math

The worst part of the whole argument is that there are retards that think that the only way the towers could collapse was if the steel reached melting point, ignoring the whole history of buildings collapsing without fires. Why are people so obsessed over the jet fuel?
No structure is designed to withstand a plane crashing into them. The only horizontal loads you take into the equation are wind and earthquakes, none of which will reach the magnitude of a plane. And when a structure receives a load far exceeding the magnitude it's designed to withstand, it tends to collapse. Why is this such a hard concept to grasp?