Today’s ten dollar word is “teleexistence”, a process by which human beings can upload their consciousness into another body. Sounds a lot like the crazy plot of James Cameron's Avatar, but mad robot geniuses from Japan’s Keio University are well underway to making this SF concept a reality. Check out the frankly amazing demo video of Telesar V below!
Here's a diagram that lays bare how the darned thing works:
Personally, I'd like to use this tech to remotely steal people's hamburgers without getting caught, but maybe you have a more practical application in mind?