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Wolfram Physics Q&A
April 7, 2020
Answered by: Stephen Wolfram
Are you saying that the universe is a computer?
“Computational”, yes. Our model implies that the universe operates at the lowest level according to definite rules of the kind one could readily program on a computer. But when one says “is a computer” one often means that one imagines that something has been constructed for the purpose of being a computer. All our model does is to say that the operation of the universe can be described computationally, not that the universe was in any way “built to be a computer”.