Originating from Daniel Libeskind's master plan for the World Trade Center site in Lower Manhattan, the International Freedom Center will serve as a multi-dimensional cultural institution that combines education, history and civic engagement. This particular site provides ample information about the plans for the Center, along with material about the people responsible for the direction of this...

Created by congressional legislation and President George W. Bush near the end of 2002, the National Commission on Terrorist Attacks Upon the United States is an independent bipartisan commission that was chartered to prepare a "full and complete account of the circumstances surrounding the September 11, 2001 terrorist attacks." This authoritative site provides biographical information about the...

Why the Towers Fell is a special episode of NOVA scheduled for broadcast on PBS on April 30, 2002. This online material complements the television program by assessing the exact cause of the disaster from an engineer's standpoint. One section of the Web site is an interview with a materials engineering professor from the Massachusetts Institute of Technology. In the dialog, he describes the most...