Nor Cal Truth video source: Physics and Reason Nov 2, 2011
9/11 Theories: Expert vs. Expert
This video is made by Jonathon Cole, who has made the well-known “9/11 Experiments” video series which include The Great Thermite Debate, The Mysterious Eutectic Steel, and Eliminate the Impossible among many others.
Jonathon Cole and David Chandler operate a website called 9/11 Speak Out. If you have not visited their website yet, please do so - and continuously use it as a reference!