Aspect's experiment  

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"Biologists acted as though molecules were separate and distinct entities linked solely by electromagnetic attraction and repulsion. Not one of them, he was sure, had even heard of the EPR paradox or the Aspect experiments, nor taken the trouble to study developments in physics since the beginning of the century." --Atomised

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Kunstformen der Natur (1904) by Ernst Haeckel
Kunstformen der Natur (1904) by Ernst Haeckel

Aspect's experiment was the first quantum mechanics experiment to demonstrate the violation of Bell's inequalities. Its irrefutable result allowed for further validation of the quantum entanglement and locality principles. It also offered an experimental answer to Albert Einstein, Boris Podolsky and Nathan Rosen's paradox which had been proposed about fifty years earlier.

The experiment was led by French physicist Alain Aspect at the École supérieure d'optique in Orsay between 1980 and 1982. Its importance was immediately recognized by the scientific community, and made the cover of Scientific American, a popular science journal. Although the methodology carried out by Aspect presents a potential flaw, the detection loophole, his result is considered decisive and led to numerous other experiments which confirmed Aspect's original experiment.

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