How Do They Do It?

Name: Suspension Bridge; Crossbows; Tracking Clothes
Released: 2012-09-06T00:00:00.000Z
Duration: 21 min 48 s

S9, EP10 "Suspension Bridge; Crossbows; Tracking Clothes"

Making a cable strong enough to hold a bridge; modern hunters use medieval weapons; how stores determine the right sizes and colors to have in stock.

Original Air Date: Sep 6, 2012Science22m

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