free fall speed

June 30, 2009 CHEM 1411 WTC 7 PowerPoint presentation at South Texas College

(So how did I do? Heavy constructive criticism is most welcome!)

This is the first of three YouTube videos of the June 30, 2009 PowerPoint presentation I gave for my CHEM 1411 class at South Texas College (STC). The subject was on thermite and thermate and how each of their respective nano-sized variants may have contributed to the collapse of World Trade Centers 1, 2, and most especially, 7.

Part II:

Part III:


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