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Dec 22, 2023 at 15:15 comment added Joe C I'm with Xava. I was trying to explain this to a friend and it suddenly occurred to me that I don't understand why double slit doesn't already prove there's no hidden variable. The atom had an equal probability of going thru either slit so it went thru both slits at the same time. There was no hidden variable that determined it should go thru the left or the right slit.
Sep 21, 2020 at 15:20 comment added xaxa @SuperfastJellyfish I'd tag it "hidden variables" but there isn't one, so I chose the closest one found
Sep 21, 2020 at 15:16 comment added Superfast Jellyfish I don’t think the bells-inequality tag is applicable here.
Sep 21, 2020 at 14:45 history edited xaxa CC BY-SA 4.0
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Sep 21, 2020 at 14:44 comment added xaxa @BioPhysicist see also my comments on Emilio Pisanty's answer below
Sep 21, 2020 at 14:42 comment added xaxa @BioPhysicist No, I know it doesn't measure which slit the particle goes through. What I mean is, if there were some hidden variables that predict which slit a particle goes through (maybe in a very complicated way), the probabilities would still obey the first equation. But since they don't, we can deduce that no such variable exist.
Sep 21, 2020 at 13:04 answer added Emilio Pisanty timeline score: 1
Sep 21, 2020 at 13:01 comment added BioPhysicist Are you assuming that the double slit experiment measures which slit the particle goes through? The whole point of the double slit experiment is that you don't know which slit the particle went through.
Sep 21, 2020 at 12:54 history asked xaxa CC BY-SA 4.0