So if we "look" at a particle, then its wave function collapses. Does "look" mean, hitting that particle with another particle (a light particle?). A simple Yes/No answers first please.(adsbygoogle = window.adsbygoogle || []).push({});

I mean, does its wave function collapse because we first need to hit that particle with an electron or a proton first, to observe it? not because it "knows" that we observe it?

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# A question about QM "Observer effect"

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