>You already have a universe to run your machine in. The CPU may be physical, but software on it runs on the abstraction which is the CPU's instruction set. T

>You already have a universe to run your machine in. The CPU may be physical, but software on it runs on the abstraction which is the CPU's instruction set. The underlying physical nature of the processor is irrelevant. He was talking about having one machine emulate another - I was pointing out that that means your i7 emulating all of physics.