“…logical contradictions will inevitably arise and the laws of the simulations will appear to break down now and again. The inhabitants of the simulation—especially the simulated scientists—will occasionally be puzzled by the experimental results they obtain. The simulated astronomers, might, for instance, make observations that show that their so-called constants of Nature are very slowly changing.”

—  John D. Barrow

"Glitch," New Scientist (June 7, 2003)

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John D. Barrow photo
John D. Barrow58
British scientist 1952–2020

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