From Sabine Hossenfelder.

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Most physicists believe that time fundamentally doesn’t exist, because the concept of time is incompatible with a model of physics where quantum mechanics and general relativity coexist. David Deutsch and Chiara Marletto have now shown that “constructor theory” can be used to construct time. Let’s take a look.

Paper: https://arxiv.org/pdf/2505.08692

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#science #sciencenews #physics #time