Bird-Like Spy Planes


AeroVironment's  "Nano-Hummingbird" is a tiny sply plane that resembles a real hummingbird.  The tiny robot hummingbird has a built-in video camera and flies at a speed of 18kmph.  Specially developed for the Defense Advanced Research Projects Agency (DARPA),  Nano-Hummingbird has been successfully tested and about $4 million was invested in the project.

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