AeroVelo, a team of engineers and students, kept a human-powered helicopter aloft for more than 1 minute, a feat that snagged a $250,000 cash prize that had eluded competitors for more than three decades. The team won the challenge issued in 1980 by the American Helicopter Society to fly a human-powered helicopter. At the time, the AHS offered $10,000 to the winners.
Source: http://www.technewsworld.com/rsstory/78468.html
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