Saturday, March 04, 2006

The gravity of the question



The above picture shows one of the world trade center towers, with the top levels toppling across as it collapses.

The official report would have you believe that in the next moment, the fires within were sufficient enough to vaporise all the steel of the toppling part, so that the momentum of this vast mass of material is lost - for otherwise there would have been a very large chunk of building falling down to the ground - OUTSIDE the footprint of the twin towers.

Alternatively, the very well understood processes of demolition were applied, the falling top part of the building was collapsed from within, and so the disintegration did not fall outside the footprint.

Having thought about Peak Oil quite a lot recently, the question can be phrased in terms of energy. In order to vaporise that amount of material, and to do it in the mere seconds available, a certain amount of energy would need to be applied. So far as I'm aware, the only energy available within that falling top is gravity and the residue of the fire at its base.

One explanation is reasonable. One requires the suspension of disbelief.

Gravity is the gravamen.

Update: see this page for a more detailed analysis of the speed of descent.

Update 2: this is blackly amusing.

Update 3: this is a very good site which debunks a lot of the conspiracy theories. But even it says that the Pentagon wasn't hit by a 757....

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