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How the Bell tests changed quantum physics

More than 40 years ago the first Bell tests translated a purely philosophical conundrum to a physical experiment. In doing so, they changed our understanding of quantum mechanics and contributed to the development of quantum technologies.

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Fig. 1: John Bell at CERN around 1982.


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Correspondence to Iulia Georgescu.

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Georgescu, I. How the Bell tests changed quantum physics. Nat Rev Phys 3, 674–676 (2021).

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