Explanations: Dominoes Waiting to Fall
NOVA/Eagar Use Deceptive Techniques
Images and movies misrepresent the towers as flimsy structures just waiting to pancake:
Omits cross-trusses, which would spoil
Implies floors rested on trusses. In fact, trusses were bolted to steel floor pans every few inches.
Core depicted as horizontal slabs instead of vertical columns.
Spandrell plates linking perimeter columns are omitted.
Plane is size of 747, over twice size of 767
Horizontal ribs replace vertical columns.