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