How Do They Do It? Season 6 Episode 12
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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Serie: How Do They Do It?
Episode Title: Airplane Parachutes, Solar Power, Photochromic Lenses
Air Date: 2009-09-24
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