The Ted Talk talks about how some scientists created bionic limbs that have sensory outputs that allow the brain to pick up the feeling of something they touch. this seems crazy but it actually works it is amazing how science advances and helps people to recover from a variety of things. of course this is on its early stages because its not very practical for all the public and its roughly a fast of a response of a robot but it works. these scientists are working hard to make these arms to work as best as they can make them, it is not like a real arm but it really is worth to have because it enables you to do many of the things that you couldn't do with just one hand. there are many improvements to be made but it is really good to have this available for people that lost their arms in terrible accidents, war, etc.
the prosthetic limbs work with sensors places in other parts of the body to pick up the desired movement, it is very interesting to see and it makes the viewer think about the wonders of science.
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