Enlarge / Elon Musk shows the latest version of his company's implants. (credit: Neuralink)
On Friday, Elon Musk gave an update on what's probably his third-most prominent company: Neuralink. Neuralink had been pretty low profile (especially in comparison to Tesla and SpaceX) prior to this time last year, which is when Musk first went into detail about the company's goals and progress. And the goals were striking: a mass-market brain implant that could be installed by a robot via same-day surgery.
With this year's update, little has changed about the overall plan, but plenty of little details have been tweaked in the intervening 12 months. And progress has been made, in that Musk introduced his audience to a group of pigs who were already carrying what he suggested was version 0.9 of his implants, with human testing set to follow shortly.
Designs on the brain
One of the big differences between this year and last is the overall design of the implant and its supporting hardware. The original goal had been to keep the surgery simple in part by minimizing the size of the hole that needed to be made in the skull. This meant a small-diameter implant that wouldn't necessarily be placed near the neurons it interacted with and would require a connection to separate hardware placed behind the ear. All of this added to the level of complication and would necessarily require running some wires across the surface of the brain.
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