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Cosmic Test Backs 'quantum Spookiness'


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Central Milky Way galaxy

The light from distant stars is used to fix settings in a new version of the iconic Bell test.

Credit: Dr Fred Espenak/Science Photo Library

A version of an iconic experiment to confirm quantum theory has for the first time used the light of distant stars to bolster the case for a phenomenon that Albert Einstein referred to as "spooky action at a distance".

From Nature
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