It could well be called the mother of all conspiracy theories, the most audacious of all pseudo-scientific ideas, or the most useless of all Byzantine discussions. But prestigious philosophers, reputed physicists and millionaire technologists are considering the possibility that we and our world might not be real, but only part of a kind of video game, an enormously sophisticated simulation: the Second Life or The Sims of the future.

  Read more about Are We a Simulation?