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In August this year, a Canadian engineering student achieved a first -- in fact, one of the last firsts in aviation. A human powered ornithopter (a craft that flies by flapping its wings) flew for 19.3 seconds, traveling some 475 feet at an average speed of 15.9 miles an hour. Built by University o

4 years ago 0 Comments
September 24, 2010 at 11:27AM