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A maple seed is seen on the hand of Craig Stoneking, bottom, project manager at Lockheed Martin Advance Technology Laboratories, as engineer David Sharp holds the company’s new drone, Wednesday, Aug. 10, 2011, in Southampton, N.J. The unmanned, one-winged flight machine is based on the flight of maple seeds that twirl down from trees during the spring. (AP Photo/Julio Cortez)