Paralyzed man uses brain-powered robot arm to touch
By Lauran Neergard from Timothy Betler / AP PITTSBURGH — Giving a high-five. Rubbing his girlfriend’s hand. Such ordinary acts — but a milestone for a paralyzed man. True, a robotic arm parked next to his wheelchair did the touching, painstakingly, palm to palm. But Tim Hemmes made that arm move just by thinking about it. […]