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How Do They Do It?: Season 6

6x12 Airplane Parachutes, Solar Power, Photochromic Lenses
TV-G

  • 2009-09-25T02:00:00Z on Discovery
  • 22m
  • Canada
  • English
  • Documentary
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.
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