September 8, 2006
A Berkeley Engineer Searches for the 'Truth' About the Twin Towers
Abolhassan Astaneh-Asl's computer simulations suggest more-conventional skyscrapers might have withstood the attacks
When the World Trade Center's burning south tower crumbled to the ground five years ago, just 56 minutes after terrorists crashed a Boeing 767 passenger jet into its upper floors, Abolhassan Astaneh-Asl's horror was mixed with professional surprise.
As a professor of structural engineering at the University of California at Berkeley and an expert on steel
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