Elon Musk’s brain-computer interface company, Neuralink Corp., said it is starting to test a technology that could allow paralyzed people to control a robotic arm. The early-stage study is known ...

It’s the mantra Elon Musk almost chants at ... “I don’t think people should underestimate Musk. He’s a controversial figure but he’s a quick study and if he gets some experts to ...