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by dogcow @, Hiding from Bob, in the vent core., Wednesday, October 25, 2017, 08:16 (2590 days ago) @ Cody Miller

But if you have a way to describe how it behaves… you can simulate it. Because you just did by making the symbolic representation. It doesn't matter that you don't simulate atoms… because you can 'cheat'. You use GR to describe the motions of Galaxies even though QM governs how all matter in the universe works. The simple equations of GM could place a simulated galaxy cluster in my telescope, even though tracking each atom with QM is impossible.

Butterfly Effect. That's how simulating something in general breaks down. Given enough time your macro-simulation will deviate from what a true-simulation would calculate. So, eventually predicting the motions of galaxies with General Relativity will result in an incorrect prediction.


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