Roboticists at the Swiss Federal Institute of Technology have developed a mechanized sea turtle, dubbed "Naro-Tartaruga." The aluminum explorer bot, unlike its slow-poke real-life cousins, is actually quite speedy, swimming elegantly through the water at 6.6 feet per second. "This thing could kick some butt," says Alyssa Danigelis at Discovery News. "All that's missing is a ninja eye mask." Here, nine other robots inspired by animals:
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