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Quantum Nonlocality and Reality: 50 Years of Bell's Theorem

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2018.07.36 : View this Review Online | View Recent NDPR Reviews Mary Bell and Shan Gao (eds.), Quantum Nonlocality and Reality: 50 Years of Bell's Theorem, Cambridge University Press, 2016, 441pp., $163.00 (hbk), ISBN 9781107104341. Reviewed by Ward Struyve, KU Leuven Locality has always been held a sacred principle of fundamental physical theories. Non-local theories have often been regarded as provisional, phenomenological accounts, waiting to be replaced by more fundamental local theories. For example, Newton's theory of gravity is a non-local theory. It describes particles that attract each other with certain forces that act instantaneously. If one of the particles were to be displaced, this would have an instantaneous (albeit possibly very small) effect on the other particles. Newton himself saw this as an unacceptable feature of the theory, stating [1]: that one body may act upon another at a distance through a vacuum without the mediation of any thing else . .. . .

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News source: Notre Dame Philosophical Reviews // News

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