Very interesting presentation that describes what was going in inside of the WTC, it shows what happened to the debris, fuel, dust, etc.



June 12, 2007

Purdue creates scientifically based animation of 9/11 attack



http://news.uns.purdue.edu/x/2007a/0706 ... nnWTC.html

http://news.uns.purdue.edu/mov/2007/HoffmannWTC.mov