This Computer Simulation Explains How the Twin Towers Fell

To understand what happened to the Twin Towers on 9/11, a scientist set up an elaborate computer simulation of the event. It ended up not just predicting the manner of the collapse, but also its speed. Watch the Full Episode with your FREE trial for Smithsonian Channel Plus by signing up today at https://watch.smithsonianchannel.com/ From: THE MISSING EVIDENCE: 9/11 Secret Explosions in the Towers http://bit.ly/1hhMyEr