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Features Alan Alda speaks with Paul MacCready, who stunned the world of aeronautical engineering by designing the first successful human-powered airplane. At 75, MacCready continues to build flying machines inspired by nature. Alda and MacCready fly a variety of planes, from a flying wing as long as a football field to a tiny spy plane. The program examines how nature first solved the problem of flight, when insects evolved wings 300 million years ago.
Scientific American Frontiers, Flying Free VHS Price: $19.98 Available from ShopPBS.com Updated on 2-2-2008.
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