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easyThrowawaytoday at 12:14 PM1 replyview on HN

The "whatever" part, in strict terms, would be information. Jury is still out whether that is a fundamental component of the universe or not: https://www.pbs.org/wgbh/nova/article/is-information-fundame...


Replies

erutoday at 12:33 PM

Well, thermodynamics is considered pretty fundamental, and the second law of thermodynamics is pretty much all about information. (But your link already touches that.)

People also interpret the 'unitarity' of quantum mechanics to mean that information is preserved.