R2-D2 Gets Real: 'Star Wars' Droids Already Exist

Even people who aren't diehard fans of the "Star Wars" films will likely remember C-3PO and R2-D2. These sci-fi creations provided a glimpse of how robots could be used in the future, but how close is the world to making its a real R2-D2?

via Live Science http://ift.tt/2qDoO3B