It's always a welcome thing to learn that ideas that are commonplace in science fiction have a basis in science fact. Cryogenic freezers, laser guns, robots, silicate implants... and let's not forget the warp drive! Believe it or not, this concept - alternately known as FTL (Faster-Than-Light) travel, Hyperspace, Lightspeed, etc. - actually has one foot in the world of real science.