University of Maryland graduate students make the final touches, before a test flight of a human-powered helicopter named Gamera on Thursday, May 12, 2011 in College Park, M.D. The team began testing ... more 
University of Maryland graduate students make the final touches, before a test flight of a human-powered helicopter named Gamera on Thursday, May 12, 2011 in College Park, M.D. The team began testing the helicopter on Wednesday morning in College Park until a part broke. less 
1 / 1
Associated Press | Photo By Jose Luis Magana
Thu, May 12, 2011 7:18 PM EDT