Topic: National Aeronautic Association
All Content
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Red Bull skydiver fell even faster than we thought
Felix Baumgartner, the Red Bull-sponsored skydiver who stepped out of a 24-mile-high balloon last October, reached a top speed of 843.6 mph, faster than had been previously estimated.
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Students set new human-powered helicopter flight record
A team of University of Maryland engineering students built a human-powered helicopter that flew for 50 seconds, getting close to the 60 seconds required to win the $250,000 Igor Sikorsky Prize.
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USA
08/20/2008 01:00 am







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