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From Mental Floss:
Last year I wrote about the Sikorsky Prize, a $250,000 purse that would go to any group that could: make a human-powered helicopter that can fly for 60 seconds, reach an altitude of 3 meters (peak), and remain within a 10-square-meter area during that time. The prize was established in 1980, and people have been working to win it ever since. On June 13 of this year, the prize-winning flight finally took place. The winners are the team at AeroVelo.
Read the whole article and watch the video
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