Scientists have managed to reverse paralysis, by using a brain implant to restore a man’s hand movement and sense of touch. The breakthrough came after years of tests on Ian Burkhart, who severed his spinal cord in a 2010 diving accident, leaving him with paralysis in his hands and legs. In 2014, researchers from Battelle, a nonprofit research organization in Ohio, tried to restore his hand motion by surgically implanting a brain-computer interface (BCI) inside his skull. The BCI collects electrical signals used to move the body and sends them down a cable from his head to a PC. A program then decodes what the signals mean…

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