Last July, doctors at the University of California, Davis, surgically implanted electrodes in Harrell's brain to try to discern what he was trying to say. That made him the latest test subject in a daunting scientific quest, one that has attracted deep-pocketed firms like Elon Musk's company Neuralink: connecting people's brains to computers, potentially restoring their lost faculties. Doctors told Harrell that he would be advancing the cause of science, but that he was not likely to reverse his fortunes. Read The Rest at :