Originally posted by Metal Brain
"It is not accurate to say that a photon "goes through one slit but not the other."
I didn't read wrong. .
Didn't "read" what wrong? It is YOU who erroneously said "When one photon goes though one slit but not the other ..." which, with the simplest version of the experiment with no photon detectors at the slits, is not only wrong but shows you don't understand the physics of that experiment at all. It might only be meaningful to say "When one photon goes though one slit but not the other ..." if the photon was detected coming out of that one slit with a photon detector positioned in such a way as giving that detected photon no chance to form an interference effect from the other slit; but then that wouldn't be the simplest version of the double slit experiment and would be irrelevant to that version of the experiment.
In fact, one of the main 'points' (if that is the correct word for it ) of the double slit experiment is that, assuming it isn't a more complex version of the experiment with some photon detection at the slits, it is said to show that you CANNOT correctly say the photon in that experiment went through one of the slits and not the other! I don't mean you cannot merely determine
which slit it when through; I mean it is incorrect to say it went through one but not the other even if you also say you don't know which slit it went through.
"...A well-known gedanken experiment predicts that if particle detectors are positioned at the slits, showing through which slit a photon goes, the interference pattern will disappear..."
And this has been confirmed to be the case and is the case because you only get an interference effect from those photons you don't detect at the slits and it is not correct to say any of those photons not detected at the slits went through one slit and not the other.
You are obviously confused.
There you go yet again; condescendingly making out you understand the physics better than us scientists when clearly you don't. He and other scientists here are not the ones who are confused about the physics. It is you who are confused about the physics. Please, at the very least, LEARN the physics before trying to tell us something about physics.