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ROPOS may look like an upended refrigerator, but what it lacks in form it more than makes up for in function. The Remotely Operated Platform for Ocean Science has more gadgets than you can shake a five-function arm at (which is one of those gadgets, by the way). Take a closer look at this deep-sea robot, one of only four in the world that can dive to depths of more than 10,000 feet. (Just don't get too close to that five-function arm. According to a ROPOS technician, "its jaw could take your arm off.")