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The Task Ahead

The Task Ahead

Video
1:05
Summit Tunnel

Summit Tunnel

Video
1:19
Cape Horn

Cape Horn

Video
1:26
Central Pacific Workmanship

Central Pacific Workmanship

Video
0:27
Liquid Nitroglycerin and the Transcontinental Railroad

Liquid Nitroglycerin and the Transcontinental Railroad

Video
0:28
Tunneling and Tracklaying

Tunneling and Tracklaying

Video
0:43
Construction of the World Trade Center

Construction of the World Trade Center

Video
2:07
Safety Precautions

Safety Precautions

Video
2:41
The Design of the Twin Towers

The Design of the Twin Towers

Video
2:14
Prefabrication for the Twin Towers

Prefabrication for the Twin Towers

Video
1:32
Engineering for High Winds

Engineering for High Winds

Video
1:50
James Baldwin from "The Negro and the American Promise"

James Baldwin from "The Negro and the American Promise"

Video
19:57
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American Experience

The World Learns of Emmett Till

50,000 people in Chicago saw Emmett Till's corpse with their own eyes. Photos of Till were published in newspapers and magazines, and even white Americans were stunned by the brutality of the murder.