Sorry.. you're drawing a distinction between modelling the world as cellular automota, turing machines, and Von Neumann architectures? Some cellular automota (n

Sorry.. you're drawing a distinction between modelling the world as cellular automota, turing machines, and Von Neumann architectures? Some cellular automota (not all I read) are turing complete. Von Neumann architectures are definitionally turing complete. It's turtles all the way down.