Neuralink's second patient is using his brain implant to design 3D objects. Here's how it works.

Future Publishing

• Elon Musk says Neuralink has successfully implanted a brain chip in a second human patient.
• The patient has used the chip to play video games and design 3D objects.
• Here's how Neuralink's chips work.

Neuralink says it has successfully implanted another brain chip in a human patient.

According to a study update shared by the company, the patient, identified by his first name, Alex, has...