this post was submitted on 02 Oct 2024
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Physics
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This is a fascinating phenomenon – but fully within current theory. And there's no "inversion of the arrow of time", despite what the sensationalistic, misleading title seems to imply. From the recent paper (my emphasis):
The theoretical explanation is given in this paper:
It is essentially related to the difference between phase and group velocity of waves.
One more example of how nature – as we currently understand it – offers amazing, fascinating, unexpected phenomena. It doesn't need misleading sensationalism.