A peer reviewed paper from acredited scientist Steven E. Jones; Department of Physics and Astronomy; Brigham Young University.
Nothing flaky about it, just solid facts indicating that the official reasons given for the structural failures of the World Trade center are impossible . . . Just as I always suspected . . .
It actually is more important that you follow the article link. The presentation lacks the impact of images if I just copy and paste it here.

http://www.physics.byu.edu/research/energy/htm7.html