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Astrophysical constraints on the simulation hypothesis for this Universe: why it is (nearly) impossible that we live in a simulation

View PDF HTML (experimental) Abstract:We assess how physically realistic the ''simulation hypothesis'' for this Universe is, based on physical constraints arising from the link between information and energy, and on known astrophysical constraints. We investigate three cases: the simulation of the entire visible Universe, the simulation of Earth only, or a low resolution simulation of Earth, compatible with high-energy neutrino observations. In all cases, the amounts of energy or power required ...

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