The world as it was at the engtd of the 20th century. it exist now only as part of a interactive simulation that we call the matrix. remember the movies, i do? the characters live inside a computer simulation and experts out there think it is possible we may be living in one too one of those experts university of oxford professor nick. i've been reading your work and fascinated by it. can you explain the theory of why we could be living in a simulation and evidence that that could be possible? >> well the hypothesis is that we ourselves and world around us are implemented by a computer built b...