Season 9 · Episode 8 of 20
Aired Aug 23, 2012
Suspension Bridge, Crossbows
Thu, Aug 23, 2012
·
22 min
Streaming on HBO Max, DirecTV On Demand, Discovery+, Science GO + 6 more
0 of 20 watched this season
How do they make steel cables strong enough to hold up a 50,000 tonne bridge; why do modern hunters use medieval weapons; and how do shops know which clothes sizes...
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Airs
Thu, Aug 23, 2012
22 min
Show
How Do They Do It?
287 episodes
Episode
S9 · E8
in How Do They Do It?