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NASA has flown a few prototype solar powered UAVs. See wikipedia for more info: http://en.wikipedia.org/wiki/NASA_Pathfinder http://en.wikipedia.org/wiki/NASA_P

by azim 16y ago

NASA has flown a few prototype solar powered UAVs. See wikipedia for more info: http://en.wikipedia.org/wiki/NASA_Pathfinder http://en.wikipedia.org/wiki/NASA_Pathfinder