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Curiouser and Curiouser

Practically nothing about quantum mechanics surprises me any more:

In their proposed experimental set-up, the physicists show that a photon will travel through the left arm of an interferometer with 100% certainty, yet its polarization can be detected in the right arm, where there is 0% probability of the photon traveling. That is, the photon is in one place while its polarization is in another.

This doesn’t seem to be a measurement-disturbance issue, either, as they set up another experiment to control for that.

Posted in SciTech.