* What about simulating the simulator? Or something like that.
and
* Einstein famously showed that space and time are the same structure and it is only an illusion (to us) to perceive them as separate things. Which means "I will only simulate a second of the universe" is akin to saying "I will only simulate 1 cm3 of the universe", both are incomplete simulations of the universe but the latter makes it more evident.
If you are in a simulator, you have no idea the rate your 'outer universe' is running your 'cpu clock'. Thus it is not a valid argument that your universe could not be held in that outer one.
* What about simulating the simulator? Or something like that.
and
* Einstein famously showed that space and time are the same structure and it is only an illusion (to us) to perceive them as separate things. Which means "I will only simulate a second of the universe" is akin to saying "I will only simulate 1 cm3 of the universe", both are incomplete simulations of the universe but the latter makes it more evident.