Airplane Parachutes, Solar Power, Photochromic Lenses How Do They Do It? - Season 6
Airplane Parachutes, Solar Power, Photochromic Lenses ()
Rating
Available to rent or buy
DESCRIPTION
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.