Aired Wednesday 17 July, 12:00pm - 12:30pmon Quest

How Do They Do It?

Series 9 Episode 10: Suspension Bridge; Crossbows; Tracking Clothes

How do they make steel cable strong enough to hold up a 50,000 tonne bridge, how do modern hunters use medieval weapons to catch prey and how do stores keep stock of clothes?

Category
Documentary / Educational / Science
Original air date
06/09/2012