Experimental verification of entanglement

Ok, I’m not going to claim a higher level understanding of quantum mechanics, but this is what I find cool here: Two entangled particles exhibit different quantum states instantaneously- something Einstein didn’t agree with. He claimed that there was some hidden variable connecting these two particles- i.e. the particles ‘communicated’ with each other in some fashion. To experimentally test this, you need to prevent particle communication (locality loophole) and prevent determined detector orientations (free choice loophole). You would think that the locality loophole plays a big role in these particles predetermining states, but: “The team [NIST] calculated that the chance of locality causing their measurements was only 1 in 170 million.” This is after they set up their experiment with the photon emittor and detectors only slightly over 100 m apart! 

Entanglement

 

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