"Smart" prosthetic legs can help amputees achieve a natural walking gait, but it's done through robotic sensors and algorithms that drive the limb forward at predetermined rates. A better way would be ...

Timothy Dale Crockett maneuvered his wheelchair through the sleek Park Circle office, a crooked smile brightening his weathered face. The modern interiors felt worlds away from Crockett’s environment ...

Thanks to a neural interface, people can move this bionic limb naturally—just by thinking about it. When someone loses part of a leg, a prosthetic can make it easier to get around. But most ...