How Do They Do It?: Season 6, Episode 12
Airplane Parachutes, Solar Power, Photochromic Lenses
Watch How Do They Do It? Season 6 Episode 12 (Airplane Parachutes, Solar Power, Photochromic Lenses) online. Full episode with details, air date, and streaming options on Aflam Online. Originally aired 2009-09-24.
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