Prosthetic limbs get more sophisticated all the time. Johnny Matheny happens to be the first person to get a mind-controlled prosthetic arm attached to his skeleton. The Modular Prosthetic Limb, developed by the Johns Hopkins Applied Physics Laboratory, has allowed Johnny to regain almost complete range of motion.
This video shows how the robotic arm works. As you can probably tell, this technology can make life easier for a lot of people in the future. Bloomberg Business has the full story.