How Do They Do It?

Swiss Cheese, Tanks, British Library

Documentary

S8, E7: How Swiss cheese gets its holes; restoring a classic battle tank; robotic librarians run one of the world's biggest book collections.

2011 · 20m

Information

Released
2011
Run Time
20 min
Region of Origin
United States
© 2011 Discovery Communications Inc.

Languages

Original Audio
English