Artificial Intelligence gets real By Neal Weinberg

Luke: Mind-controlled prosthetic arm. Segway-inventor Dean Kamen has been working on a mind-controlled prosthetic robot arm, under a federal grant. Dubbed "Luke," the arm gives the user the same degrees of movement as a natural arm, and is sensitive enough to pick up a piece of paper, a wine glass or even a grape. The mind control part: in one scenario the user controls the arm through existing nerves.