There is also a very old and enduring thought experiment put forward by philosophers that any sufficiently advanced civilization would eventually attempt to create a simulation universe, if such a thing were possible. Since there would be many more simulations (possibly including simulations within simulations) than real universes, it is likely that our own world is artificial. | There is also a very old and enduring thought experiment put forward by philosophers that any sufficiently advanced civilization would eventually attempt to create a simulation universe, if such a thing were possible. Since there would be many more simulations (possibly including simulations within simulations) than real universes, it is likely that our own world is artificial. |