World's Strongest

October 18, 2006
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Modern Marvels - S13 - E49

World's Strongest

Strength...a powerful word, but what does it mean? How is it measured? Why are some things simply stronger than others. How strong is a rope, a tractor, a diamond, a tugboat or even plastic. How and why strength matter to us every day.

Modern Marvels: Season 13 - 60 Episode s