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Getting down with math and science
The first parachutes, 10 centuries ago, were novelties designed to emulate the flight of birds and allow soft landings on jumps from tower tops. Second-generation parachutes followed the advent of manned hot-air balloons in the eighteenth century and promised improved safety. The third stage of parachuting...
Posted to
Product Spotlight
by
mcombs
on 04-27-2009
Filed under:
Filed under:
Parachutes
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