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To us normal people, cause and effect are linked together in a distinct order. The cause occurs first, and the effect follows after. But according to a new paper, that causal order breaks down if you apply quantum mechanics to gravity. Join me in my quest to wrap my head around this head-spinning (but also plausible) paper.

Paper: https://journals.aps.org/pra/abstract/10.1103/PhysRevA.111.052211

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#science #sciencenews #physics #causality