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Hi. After spending an entire day watching videos and reading websites, I'm unable to find the details of a bell's inequality experiment with regards to photons. Could someone please describe such an experiment. What I've learned is that a photon is emitted, say blue. The blue photon is used to produce two red photons, which are entangled. The next part is confusing. I've seen experiments that pass each photon through various polarizers. While other experiments simply skip the polarizers and measure the horizontal and vertical polarizations. Are they trying to find both the horizontal and vertical polarizations? Why would the quantum results be any different than the results predicted by the hidden variable results?
Thanks for any help.
Thanks for any help.