Paralyzed Man Uses Thoughts to Control his Own Arm and Hand
A spinal injury severed the connection between Bill Kochevar's brain and everything below his shoulders. But technology has given him a new way to control one arm and hand.
Đọc thêm tại NPR
at March 29, 2017 at 06:42AM
Health & Science
Thứ Tư, 29 tháng 3, 2017
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