Neuralink

Neuralink is building a brain-computer interface (BCI) — a coin-sized implant that reads neural signals and translates them into digital commands. The goal starts with restoring independence to people with paralysis, and the early results are the kind of thing that's easy to miss if you're not looking for it.

The first patient

In January 2024, Neuralink implanted its device in Noland Arbaugh, a quadriplegic patient paralyzed from the shoulders down after a diving accident. Within weeks, he was controlling a computer cursor, playing chess, and browsing the internet using nothing but his thoughts — abilities he'd lost years earlier. It's the kind of story that doesn't make the evening news the way a rocket launch does, but for someone who'd lost the ability to do those things on their own, it's about as real an impact as technology gets.

Still early

Neuralink is still in early clinical trials (the PRIME study), with a small number of patients implanted so far. It's not a cure-all, and it's not available to the public yet — but the trajectory, restoring real autonomy to people who'd lost it, is worth paying attention to.