Bionic arms are beginning to tap into nerve signals that linger long after a limb is gone, turning the ghost of movement into real, controllable action. Instead of relying on crude muscle twitches or ...

Losing an arm cuts more than muscle and bone. It also severs the easy, wordless link between what you want to do and what your hand can actually do. For many people with prosthetic arms, that link ...

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A 12-year-old was surprised with his first bionic arm by YouTube megastar Jimmy Donaldson – known as MrBeast. Kai Pollnitz, who was born without his right hand, received the custom-built prosthetic at ...