Here's a relevant blog post: https://scottaaronson.blog/?p=3327 https://scottaaronson.blog/?p=3327 'Is “information is physical” contentful?' In quantum mechan

Here's a relevant blog post: https://scottaaronson.blog/?p=3327 https://scottaaronson.blog/?p=3327 'Is “information is physical” contentful?' In quantum mechanics, breaking unitarity (which implies conservation of information) is akin to breaking the rule in statistics that probabilities have to add up to 100%. You get things like a 300% chance of rain or a 90% chance of [null reference exception]. It's hard to overstate how deep down it is and how many things depend on it.