See the following -

New Prosthetic Arm Born From 'Star Wars'

Joe Gould | Marine Corp Times | March 10, 2012

In the movie “The Empire Strikes Back,” Luke Skywalker’s hand is severed in a battle with Darth Vader and replaced by a futuristic prosthetic. Now science fiction is becoming science fact as the Defense Department funds the development of the “Luke Arm,” which may replace limbs that veterans have lost in battle. Read More »