UMD Students Fly Human-Powered Helicopter 58 SecondsThe University of Maryland says its human-powered helicopter flew for 58 seconds. But that was not enough to win the $250,000 Sikorsky Prize on Sunday. The prize requires a flight of longer than 60 second and an altitude of 10 feet.
National Zoo Opens Solar-Powered Carousel In D.C.The Smithsonian's National Zoo is opening a new solar-powered carousel with hand-carved, hand-painted figures representing many endangered animals.
Screw Gas, Drive A Drill-Powered Electric Suicide Trike