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A humanoid robot, HRP-4C, developed by Japan's Advanced Industrial Science and Technology (AIST) shows off her skills during the Digital Contents Expo in Tokyo on October 22, 2009. A monster-slaying bad breath blow gun, a rain-simulating "funbrella" and a navigation-aid helmet that steers users by pulling their ears: welcome to Japan's latest whacky inventions. These bizarre gadgets and more -- some of them useful, most of them fun -- went on display at the Digital Content Expo, a fair showcasing futuristic gaming, arts, medical and other technologies that opened on October 22. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)

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