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21:33, 15-Aug-2019
Japanese university says tail can help old people balance
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The ancestors of humans lost their tails through evolution millions of years ago. Now, a Japanese university has produced a robotic tail which could help old people keep their balance. It uses four artificial muscles and compressed air to move in eight directions.
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Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3
Copyright © 2018 CGTN. Beijing ICP prepared NO.16065310-3