sitchinite ha scritto:
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Professor of Civil, Structural and Environmental Engineering at Cambridge University passes yet another peer reviewed paper by a respected engineering Journal saying the towers collapsed the way they did without the need of explosives.
[...]

Structure Magazine, a well respected magazine for structural engineers, has come out with a probable collapse hypothesis. "Single Point of Failure: How the Loss of One Column May Have Led to the Collapse of WTC 7" points out that the failure of column 79 in the lower levels will create the very effect we see in videos.

http://www.structuremag.org/Archives/2007-11/SF-WTC7-Gilsanz-Nov07.pdf

"How the lossof one column may have led to the collapse of WTC7"
by Ramon Gilsanza - 2007