When Nathan Copeland got into a car accident in 2004, he suffered a spinal cord injury that left him paralyzed in both arms and both legs. Eventually, Copeland got a prosthetic-but one that is very different from most anyone else's out there. Copeland is the first person in the world to use a system created by DARPA and the National Science Foundation, which allows him to "experience" the sensation of touch via a special robotic prosthesis.

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