Prosthetic controlled arm by brain.

• Position: Defense Technology Newswire - Geographic overview

* Wounded warriors at Walter Reed National Military Medical Center recently used a new prosthetic arm that they can control with their thoughts.

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The arm was developed as part of a four-year program by the medical center, Johns Hopkins University Applied Physics Laboratory, and Uniformed Services University of the Health Sciences. It weighs 9 pounds, has as much dexterity as a human limb with 22 degrees of motion and allows users to move fingers independently of one another.

The nerves along the...