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How Do They Do It? Season 6 Episode 12 Airplane Parachutes, Solar Power, Photochromic Lenses 2009

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

  • Released: 2009-09-24
  • Runtime: 22 minutes
  • Genre: Documentary
  • Stars:
  • Director:

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