the laws of physics as far as we can tell don’t seem to allow you to simulate n particles interacting with fewer than n particles
To be read “the laws of physics, as far as we can tell, seem to require you to use at least n particles to simulate n particles interacting with each other”?
To be read “the laws of physics, as far as we can tell, seem to require you to use at least n particles to simulate n particles interacting with each other”?
Yes. That’s a much better phrasing.