Elon Musk's company Neuralink implanted the first brain chip in a person. The product, called Telepathy, is aimed at patients who have lost the use of their limbs.

The implant will be able to "read" brain activity to send orders that restore brain functions damaged by a heart attack or amyotrophic lateral sclerosis. "Imagine if Stephen Hawking could communicate faster than a speedy typist or an auctioneer. That's the goal," said the billionaire in X (formerly Twitter)