Elon Musk says his company Neuralink just implanted its first brain chip into a human. Here’s how this works and why it matters:

Neuralink is working on brain-computer interfaces to try to let people control a computer with just their thoughts. They’re calling this first product “Telepathy” which… fits. The actual implant is a small electronic chip with sensors that can detect brain signals and then wirelessly send them to an app, which decodes them into actions.

They first controversially tested this on monkeys, and then back in September, the FDA approved Neuralink for its first human trials. This first human test is just to evaluate the safety of the implant and surgical robot. There are very few details so far, but Musk says that the implant is detecting neuron spikes - meaning it’s reading the electrical and chemical signals sent by the brain, which seems promising!

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