Hold your hand up and look at it, now (without moving your hand) look at the wall (or whatever else) beyond it. You'll perceive your hand in two different plac

Hold your hand up and look at it, now (without moving your hand) look at the wall (or whatever else) beyond it. You'll perceive your hand in two different places - when it obviously isn't, because what you're perceiving is not reality, but the hack that allowed your ancestors to survive it.