[Indy Coug]

Originally Posted by MikeWaters

So I read on that site that the NIST admits that the steel they have found does not show that it reached the critical temperature. But the NIST argues that the steel is only a small sample, so that doesn't prove the fire wasn't hotter in other places.

Is there theory about how the towers went down dependent on the steel reaching a critical temperature, for which there is no physical evidence that it occurred?

http://www.popularmechanics.com/tech...42.html?page=6