Prosthetics that don’t require practice: Inside the latest breakthrough in bionics
Paul Cederna dreams of a hand for every occasion. “I can imagine somebody that has this entire suite of hands,” he said. “They’re a farmer, and they’re working on their tractor and welding and harvesting the corn — and they’ve got this heavy-duty hand that is incredibly durable, which can open and close and lift heavy, heavy things. But the farmer also happens to be a pianist. When they go inside, they put on another super lightweight hand where the fingers spread and move really fast....