How Do They Do It?
S07E05
S07E0522 min· aired 6/25/2010

Tales From The Black Stuff, Silk, In The Can

TMDb0.0
Nexus es433594TMDb ep 1914816TVDb ep 4337597

Overview

How do they make Irish stout and how do they use silkworms to create gunpowder bags and clothes? Plus, how do they put soup into cans?

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S07E04
Smooth As Marble, Hot Stuff, Umbrellas
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S07E06
Fire Extinguishers, Cruise Liner