A 45-year-old man paralyzed by ALS can now operate a computer using only his brain signals, thanks to a groundbreaking brain implant developed by researchers at the University of California.
The device, detailed in the journal Nature Medicine, uses electrodes implanted in the motor regions of the...

The patient is still tethered by a literal cable sticking out of his head, so let's not pretend this is ready for prime time. Wireless implants are years out, and right now this is a custom one-off that costs more than a house.