Positive Technology Journal

Without any covering to emulate human skin - what those in the prosthetics field call a "cosmesis" - the arm is distinctly robotic, all metal cylinders and dark gray carbon fiber. I held out my index finger, and Van Der Merwe manipulated the arm so that the index finger and thumb grabbed my fingertip and squeezed lightly. Suddenly, there was a buzzing sound. "That's a sensor in the fingers letting me know how hard I'm squeezing," Van Der Merwe explained. A few minutes later, when I shook hands, the grip was firm (if not warm), and Van Der Merwe chided me for not shaking more vigorously. I didn't want to break the hand and get on the Pentagon's bad side

 

Check the video