Luke Skywalker's robotic hand is finally a reality: The Bebionic3 is a myoelectric prosthetic hand that uses residual neuro-muscular signals from your muscles to operate a number of precise functions. To see the hand in action is to immediately recall the scene in Star Wars: The Empire Strikes Back in which Luke Skywalker examines his new robotic hand after losing it to Darth Vader. The hand is about as realistic and functional as the one in the film, with the ability to write with pen, delicately hold glasses and bottles, and even crack eggs. Click through for some videos.