I used to think of entanglements as links that connect different locations with a shared state. Entanglements are created by measurements. Now I realize that the entanglement is the measurement: a measurement is an event that correlates the behavior of two systems.
It does not change anything. By discovering an entanglement we are not discovering anything beyond our knowledge that two or more things are correlated. Measurement does not create entanglement, it establishes the relationship between observer and observed.
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I think the multiverse interpretation reflects that we cannot know our own ground truth. We only measure how other things relate to us and the relations we know. The wave function looks uncertain to us because *we* are uncertain. It’s called the Mad Dog Everett interpretation
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Many like David Deutsch argue that it’s not even an *interpretation* as such. It’s just taking the math and experimental evidence literally eg shadow photons
End of conversation
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