`."Claudia Mitchell's "bionic" arm, which allows her to control parts of the device by her thoughts alone. The device, designed by physicians and engineers at the Rehabilitation Institute of Chicago, works by detecting the movements of a chest muscle that has been rewired to the stumps of nerves that once went to her now-missing limb."
I don't know how this works, but I want to see it in person. Scientists at MIT have pulled up a very tiny curtain on their newest invention: a 1.7cm square robot capable of assembling itself like a piece of origami. The Untethered Miniature Origami Robot is powered by a small neodymium magnet and four electromagnetic coils underneath the robot’s surface that create magnet fields necessary for it to operate.