Key Points Neuralink has successfully implanted its device in a second patient with a spinal cord injury. The first patient, Noland Arbaugh, used the device to control digital devices by thought. Neuralink aims to provide implants to eight more patients this year as part of clinical trials. Initial issues with implant wires retracting were resolved by modifying the device's algorithm. Neuralink, the brain-interface startup owned by Elon Musk, has successfully implanted its device in a second patient, aiming to enable...