How a Robotic Tail Could Help People With Balancing Problems

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Evolution didn't leave humans with tails, but science is attempting to change that. 

Japanese researchers say some people, especially the elderly, could benefit from an extra appendage. That's why they created this 3-foot-long robotic tail to help keep users on their feet. 

The device attaches to the waist and moves in eight directions with artificial muscles and compressed air. 

While it's meant to mimic the tail of a monkey or a cheetah, it's not very practical for people at the moment. 

Researchers are keeping it in the lab until they can come up with a more flexible version. 

But for those seeking help with their balancing problems, one very unique solution may be on the way. 


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