On Wednesday, during a video update, Tesla and SpaceX CEO Elon Musk announced that his brain-computer startup, Neuralink Corp., is set to implant its device into a second human patient in a week or so. What Happened: During the discussion, broadcasted on Musk’s social platform X, formerly Twitter, it was also revealed that Neuralink intends to have its technology in several more patients by the end of the year, with Musk stating the number could be “in the high single digits.” The tech billionaire said that the short-term goal is to “mitigate the longer civilizational risk of AI” by creating a…