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How Do They Do It?

Series 6 Episode 12: Airplane Parachutes; Create Solar Power; Photochromic Lenses

How are explosive rockets used to catch crashing planes in mid-air, and how do old sunbathing techniques help scientists catch rays of sun? Plus, the secrets of sunglasses.

Category
Documentary / Educational / Science
Original air date
25/08/2009
Cast and crew
  • Anna KeelDirector
  • Nick PattersonDirector
  • Ed VennerDirector
  • Dominic FrisbyNarrator
  • Chris BroylesNarrator