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How Do They Do It?

Series 4 Episode 1: Bulletproof Vests; Robots; Formation Skydivers

Discover how formation skydivers train in a wind tunnel. Plus, learn how a bullet-proof vest can stop a dozen rounds at point-blank range.

Category
Documentary / Educational / Science
Original air date
2007-04-04
Cast and crew
  • Iain LeeNarrator