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Reminding me of the old Twilight Zone series (the B&W one of course), seeing this hand at the piano is a bit creepy.

Developed by scientists at John’s Hopkins University in Baltimore, this prosthetic hand more dexterous than ever before. It taps directly into the brain’s electrical signals, and it has been demonstrated that neural activity recorded from a monkey’s brain can control fingers on a robotic hand, making it play several notes on a piano.

"We would hope that eventually, we’ll be able to implant similar arrays permanently in the motor cortex of human subjects," says Mark Schieber, a neuroscientist at the University of Rochester.