Stephen Hawking's Science of the Future - Season 1 Episode 1 Virtual World

Stephen Hawking and his team investigate how reality is being increasingly stretched as people become less dependent on the physical world and more involved with the virtual electronic world. In this episode, a remarkable 3D virtual training program for the military is investigated, a new system is tested that can map places inaccessible to GPS and Sat Nav, bio-printing, where designs created on computers are turned into three dimensional living tissues is examined and a new wave of sci-fi technologically is revealed; a computer that can read people's minds.