this post was submitted on 28 Oct 2023
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Ok, so, this is in the context of closed timelike curves. This is a thing which appears in the math of general relativity. It has never been observed in real life, and may disappear if we ever have a reconciliatian of quantum mechanics and gravity.
The study was a computer simulation of "what if we had some particles in a closed timelike curve and could mess with them", and there is no suggestion of this being applicable or even possible in the real world.
Thank you! The article does not mention any of that, and as a result, explained nothing.