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Is there any meaning to seeing/hearing things in dreams that you eventually re-live in real life?


Mugi

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Neil deGrasse Tyson being summoned to defend the existence of psychic powers as described in the Daily Mail is something I didn't expect to see in this life.

 

That aside, one of the interesting things about physics is that as mechanics and equations go, there's no hard rule that distinguishes past from future. The only thing we can confidently say is that the future (AKA the arrow of time) is the direction toward which entropy is increasing, and that for some reason entropy was much lower in the past — even though it shouldn't have been, according to our current understanding of fundamental physical laws.

 

A fancier way of saying this, one that Mr. Tyson might enjoy, is that the theoretical incarnations of the laws of physics are temporally agnostic, even though that doesn't match the forward-marching nature of our observable reality.

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