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An engineering professor who combines mechanical know On a visit to the American Museum of Natural History in New York three years ago, Dennis Hong was captivated not by the giant blue whale, or the Tyrannosaurus rex skeleton, but by the ankle bone of a timid prehistoric deer. The "double pulley" ankle gave the creature more bounce in its stride, an evolutionary advantage that enables today's suburban deer to bound gracefully over vegetable garden fences. Another time, Hong watched a mother braid her daughter's hair and wondered whether a robot could move in the same way. That led to the Discount Replica Louis Vuitton Bags development of a three legged walking machine that maneuvers about with the same braiding motion. A Chinese water tube toy inspired Hong to create a species of robots that move by continuously turning themselves inside out. A cowboy's lasso spurred him to build a robot that wraps around surfaces like rope. And that prehistoric deer's an