DARPA has been interested in advanced prosthetic limbs for some time. Officially it in order to provide new limbs to wounded military veterans… but who knows, maybe there’s someone at DARPA planning one building their very own Terminator. In any event, there has been some remarkable progress, as this video from Johns Hopkins shows. They’re still nowhere near the dream…. a robo-arm like Will Smiths in “I, Robot” that is surgically integrated and works as smoothly and as nimbly and as fast as the organic original… but at least these are work off of *thought,* transmitted down the nervous system to the remaining nerves. In this case, the nerves used were move from elsewhere in the chest, which the patient suggests was a remarkably excruciating procedure.
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