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<blockquote data-quote="Kairos" data-source="post: 189411" data-attributes="member: 10263"><p>My academics in theoretical computer science lead me to very strongly discount the proposition that we live in a simulation within a larger universe. I could write out some decent arguments as to why, by the physicist David Deutsch makes a fairly good case for the average person with no computer science background to understand that is better than I would be able to do. Read Fabric of Reality.</p><p></p><p>I am not saying it is impossible, but the physical laws and phenomena of the real universe would bleed through and I am pretty sure we'd have noticed it by now.</p><p></p><p>That said, there are plenty of people in computer science who would disagree with me on this as well, so it's not cut and dry. It's just not that trivial to make such a claim as if it were self-evident or even likely. Most physicists who take positions like this don't understand computer science and don't really understand the problem either because they assume (wrongly) that they are the most fundamental science.</p><p></p><p>Personally, I think the universe actually does work much like a computer does, but it's not a simulation running inside of a more real (and obviously exponentially bigger) universe.</p><p></p><p>And for those of you who understand what I am saying, I think P=NP because the universe solves that problem in less than linear time. Hell, it solves the n-body problem instantly. It's a weird mental shift when you see it. If you can reduce an np-complete problem to a physical experiment (like a network of balls falling down inclines with collisions and whatnot causing only one solution in one of the final states of the experiment), then you can solve all np-complete problems in polynomial time (not including experimental setup).</p></blockquote><p></p>
[QUOTE="Kairos, post: 189411, member: 10263"] My academics in theoretical computer science lead me to very strongly discount the proposition that we live in a simulation within a larger universe. I could write out some decent arguments as to why, by the physicist David Deutsch makes a fairly good case for the average person with no computer science background to understand that is better than I would be able to do. Read Fabric of Reality. I am not saying it is impossible, but the physical laws and phenomena of the real universe would bleed through and I am pretty sure we'd have noticed it by now. That said, there are plenty of people in computer science who would disagree with me on this as well, so it's not cut and dry. It's just not that trivial to make such a claim as if it were self-evident or even likely. Most physicists who take positions like this don't understand computer science and don't really understand the problem either because they assume (wrongly) that they are the most fundamental science. Personally, I think the universe actually does work much like a computer does, but it's not a simulation running inside of a more real (and obviously exponentially bigger) universe. And for those of you who understand what I am saying, I think P=NP because the universe solves that problem in less than linear time. Hell, it solves the n-body problem instantly. It's a weird mental shift when you see it. If you can reduce an np-complete problem to a physical experiment (like a network of balls falling down inclines with collisions and whatnot causing only one solution in one of the final states of the experiment), then you can solve all np-complete problems in polynomial time (not including experimental setup). [/QUOTE]
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