technology

 This is one of those advances that Sci-Fi novels and films have been promising for years, but the technology has always failed to deliver. Dean Kamen, who you may know from such inventions as the Segway Human Transporter, has had a load of American military investment and has been working on replacement limbs for returning veterans, and the video above shows the results of his work, a robot arm dubbed 'Luke' (as in Skywalker, he of the missing hand).