In a Star Trek Voyager episode, the former Borg drone Seven of Nine suggests one of her crewmates replaces the habit of meditation with a “much more efficient cortical implant”. In the late 1990s, this was a funny science fiction meme. Last month, however, privately-held neuroscience research outfit, Neuralink announced it had permission from the US Food and Drug Administration (FDA) to conduct human trials of its brain implant devices.
This led to a surge in the valuation of the privately-held company to $5 billion from an earlier $2 billion, as it raised new financing. Of course, given that one

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