awtbfb writes: Tim Hemmes, with the help of University of Pittsburgh researchers, successfully controlled a robot arm in three dimensions. He's had quadriplegia for seven years. The feat was accomplished using implanted ECoG electrodes and weeks of computer training. From the Pittsburgh Post-Gazette, "Ever since his accident, Mr. Hemmes said, he's had the goal of hugging his daughter Jaylei." Next up are six more 30-day participants, followed by a year-long study.