"If you recorded every moment of the universe on a physical representation, a hard drive for instance with perfect fidelity. Would there be any difference betwe

"If you recorded every moment of the universe on a physical representation, a hard drive for instance with perfect fidelity. Would there be any difference between the representation and the universe itself? I don't think there would." There would be, because even if you could record with perfect fidelity the rest of the universe, at the very least, you can't record that hard drive on itself.