Experiment adds sense of touch to artificial hand

This March 2013 handout photo provided by Science Translational Medicine shows amputee Dennis Aabo Sørensen, right, wearing sensory feedback enabled prosthesis in Rome. To feel what you touch _ that's the holy grail for artificial limbs. In a step toward that goal, European researchers created a robotic hand that let an amputee feel differences between a bottle, a baseball and a mandarin orange. (AP Photo/Patrizia Tocci, Science Translational Medicine)WASHINGTON (AP) — To feel what you touch — that's the holy grail for artificial limbs. In a step toward that goal, European researchers created a robotic hand that let an amputee feel differences between a bottle, a baseball and a mandarin orange.