Researchers at Tokyo University's JSK Robotics Laboratory, have created a humanoid called Kojiro, who is learning how to mimic how we walk 
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Maid for you: The Kojiro robot moves more naturally than other humanoids due to is hi-tech muscular-skeletal system</td></tr></tbody></table>What makes him unique is that he has a skeletal structure similar to that of humans, which means he moves in a more natural fashion, and bends and twists via his artificial spine. The team, led by Professor Nakanishi, said this newly developed spine would allow them to manufacture lighter and more flexible robots in the future to serve in the home. In one scientific paper, they wrote, "Currently normal humanoid robots are not suitable for working in our daily environment." Lack of safety and versatility is the main reason; their hard and heavy bodies can hurt humans or surrounding objects, and they can do limited tasks compared with what humans do in daily life." Traditional robots have limbs and torsos powered by heavy motors at the joints. However in Kojiro, the motors are lightweight and used to pull cables attached to different locations on the body. This simulates how our own muscles and tendons contract and relax when we move. The sophisticated system of around 100 such tendon-muscle structures work together to give Kojiro 60 degrees of freedom. Sensors were added to some of the joints to keep track of Kojiro's various postures and an accelerometer and two gyroscopes were added to help the robot balance.

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Researchers at Tokyo University's JSK Robotics Laboratory, have created a humanoid called Kojiro, who is learning how to mimic how we walk

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