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Seiko Epson is showing off their new robo-copter—the lightest and smallest robotic helicopter to date, weighing in at just 8.9 grams ['World's Smallest' is up to much debate -Ed.]. The Micro Flying Robot has four legs and actuators, as well as two rotors, to aid in balancing. Lacking Asimovesque miniature atomic power sources as we do, the copter is externally powered, but it's awfully cool nonetheless. The prototype was introduced at the International Robot Exhibition, perhaps taking some thunder away from all of the robotic unveilings at the World Expo this year.

Tiny robot helicopter unveiled in Japan [Ananova via GearLive]