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Helicopters

Jem Stansfield takes to the air with the Royal Navy to explain how helicopters work, while Liz Bonnin puts brain training devices to the test. Dallas Campbell investigates the new space entrepeneurs in California, and Dr Yan Wong shows how to melt glass with a microwave.

English suomi
  • Originally Aired September 7, 2009
  • Runtime 30 minutes
  • Content Rating United States of America TV-PG
  • Network BBC One
  • Created August 9, 2013 by
    Administrator admin
  • Modified August 9, 2013 by
    Administrator admin