Long before the premiere of The Six Million Dollar Man in 1974, the idea of a bionic human has fascinated the scientific and science fiction communities. Just turn on the television or take a trip to the local movie theater to find some examples. But there’s a lot more to this burgeoning science than Darth Vader and the Borg. It’s not just science fiction; it’s not even science future. What most people might be surprised to discover is that the kinds of mechanized prosthetics writers used to dream about actually exist right now.