Modern Marvels

Season 15 Episode 15

Most Dangerous

0
Aired Wednesday 10:00 PM Jun 06, 2008 on The History Channel

Trivia

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  • Trivia

    • The first helmet standards grew out of research from the 1950s, when scientists at Michigan's Wayne State University dropped cadavers down an elevator built to study G-force impacts on the human head.

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