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World's Fastest Wind Tunnel Goes Hypersonic

Wind tunnels have been used to test race cars, fighter planes, even bobsleds, but there's only one wind tunnel in the world that can hit Mach 30. The LENS-X wind tunnel can hit the hypersonic speeds necessary to test the latest ultrafast aircraft, space planes, and NASA's Orion space vehicle (pictured). Every time… » 11/03/08 3:00pm 11/03/08 3:00pm