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by TxFkdZ 11 days ago
>The delayed-choice quantum eraser wasn’t carried out experimentally until 1999, so I think it’s a bit misleading to say this is what makes the double-slit experiment (first carried out with matter in 1927) so weird.

I think Sabine is right, the weirdest thing in the quantum eraser experiment is still the FTL update of the wavefunction.

She has a nice video on delayed-choice quantum eraser: https://www.youtube.com/watch?v=RQv5CVELG3U