In Matrix, minds are not simulated, and only a faux-earth is presented to people, much more like Descartes's evil genius[0]. Actually, most of the processing wo

In Matrix, minds are not simulated, and only a faux-earth is presented to people, much more like Descartes's evil genius[0]. Actually, most of the processing would actually happen in people brains, since only stimulations matter, and they would only need to be quite gross compared to a whole universe of physics iterated over at Planck intervals. [0] http://en.wikipedia.org/wiki/Evil_demon http://en.wikipedia.org/wiki/Evil_demon