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Building on Ground Zero: Can lessons learned from the Twin Towers' collapse make new buildings safer?
Impact to Collapse

Impact to Collapse
Watch an expert-narrated slide show of the Twin Towers' final minutes.

9/11 Conspiracy Theories

9/11 Conspiracy Theories
NOVA producer Larry Klein discusses world trade center conspiracy theories with civil engineer S. Shyam Sunder.

Towers of Innovation

Towers of Innovation
A host of engineering marvels distinguished the World Trade Center.

A Survivor's Story

A Survivor's Story
Hear one man's extraordinary tale of escape from the South Tower.

The Tallest Tower

The Tallest Tower
The engineer describes Shanghai's advanced skyscraper.

Outfitting Firefighters

Outfitting Firefighters
Equip two firemen with the gear needed for a high-rise response.

The Structure of Metal

The Structure of Metal
In this interactive, explore metal at the atomic level.
Building on Ground Zero

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Can lessons learned from the Twin Towers' collapse make new buildings safer?

TV Program Description
Airing on PBS Tuesday September 2 at 8 pm
Check local listings as dates and times may vary.

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