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This Blew My Mind!

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  • S
    seawolf
    Mod Squad
    @Mizmazzle
    Joined: 28 Oct 2011

    @Mizmazzle I know this fact, and it's one that I've repeated, yet our brains cannot comprehend that scale of anything, and it will never cease to absolutely amaze me. And the fact that the universe is also constantly expanding in every direction hurts my brain. And if it weren't expanding, and it just IS, is it just... infinite?!

    “Good design is actually a lot harder to notice than poor design, in part because good designs fit our needs so well that the design is invisible” - Don Norman

    @zeebeeleather

    last edited by 15 Feb 2024, 13:58 M 1 Reply Last reply 15 Feb 2024, 14:31 Reply Quote 0
    • M
      Mizmazzle
      見習いボス
      @seawolf
      Joined: 29 Jun 2021

      @seawolf thank god I had a couple sips of coffee before I read your post, otherwise my brain would have gone into full scale, level 5, meltdown.

      And by definition of infinite, the universe MUST be expanding…otherwise we’d reach an end point and someone would finally win the “I called shotgun, no place backs, time infinity!” Rule.

      In the easy chair with my boots on, melted whiskey in my hand. Could'na been asleep for more than three hours...time to go to work again...

      last edited by 15 Feb 2024, 14:31 S 1 Reply Last reply 15 Feb 2024, 17:29 Reply Quote 1
      • M
        Matt
        見習いボス
        Joined: 4 Oct 2011

        And then there’s the multiverse

        last edited by 15 Feb 2024, 14:35 1 Reply Last reply Reply Quote 0
        • K
          krebsy
          Haraki san Student
          Joined: 12 Nov 2021

          What blows my mind beyond the fact that it's expanding, is that the rate of expansion is accelerating, not decelerating or staying constant. Then you get into dark matter and dark energy...

          Looks like denim truly is the fabric of our salvation.

          last edited by 15 Feb 2024, 14:55 1 Reply Last reply Reply Quote 0
          • M
            mclaincausey
            見習いボス
            Joined: 12 Apr 2013

            A couple more for you.

            The scale I talked about for the size of the galaxy, which requires 120,000 years for a beam of light moving at the maximum physically possible speed through space, is inconsequentially small next to the size of the observable universe, which is 93 billion light years. Because the expansion of space isn’t limited by light speed, the relative speed of recession for far flung galaxies exceeds the speed of light.

            Here’s the kicker: as vast as the universe is known to at least be, there are more orders of magnitude to the smallest possible scale (the Planck length) than there are to the largest observable scale (the observable universe). The observable universe : us is not as large of a difference as us : the smallest possible scale understood by physics.

            There are four kinds of multiverses in the way that Max Tegmark breaks it down and I’ll summarize those when I have more time later.

            Think it, be it.

            last edited by mclaincausey 15 Feb 2024, 14:59 S 1 Reply Last reply 15 Feb 2024, 15:12 Reply Quote 0
            • M
              Mizmazzle
              見習いボス
              Joined: 29 Jun 2021

              You guys are smart

              In the easy chair with my boots on, melted whiskey in my hand. Could'na been asleep for more than three hours...time to go to work again...

              last edited by 15 Feb 2024, 15:06 1 Reply Last reply Reply Quote 0
              • F
                flannel slut
                Raw and Unwashed
                Joined: 21 Feb 2022

                Yep. I find this very interesting while comprehending very little at the same time.

                last edited by 15 Feb 2024, 15:07 1 Reply Last reply Reply Quote 1
                • S
                  SKT
                  見習いボス
                  @mclaincausey
                  Joined: 26 Aug 2019

                  @mclaincausey I love this stuff…preach brother!

                  last edited by 15 Feb 2024, 15:12 1 Reply Last reply Reply Quote 0
                  • M
                    mclaincausey
                    見習いボス
                    Joined: 12 Apr 2013

                    Here is Tegmark’s pop science article about multiverses: https://space.mit.edu/home/tegmark/PDF/multiverse_sciam.pdf

                    Level 1: this is saying that the universe is likely to be large enough for a given configuration of particles in space to be infinitely replicated. So there would be an infinite number of copies of us, for example, across an unimaginably large swath of space and time. Anything that the laws of physics allows happens somewhere. Any possible configuration of particles within a given space happens somewhere. These would not be observable since they would be so far away and receding from us at over the speed of light—no signal could reach us. It is beyond our “cosmic horizon.“ while I think this is probable, it’s not testable and thus more philosophy than science, which is true of a lot of this. But there is reason to suspect it’s true.

                    Level 2: the predominant theory for the formation of our universe is called cosmic inflation. This theory predicts that we are in one of a possibly infinite number of “bubbles” that form after a period of inconceivably rapid expansion of the universe. Each bubble would have its own physical constants and laws of physics. If there is an infinite number of them, eventually one identical to ours would be out there.

                    Level 3: the most parsimonious explanation for the “weirdness” of quantum theory where a particle doesn’t have a position until it is observed is something called the universal wave function or the many worlds interpretation of quantum mechanics, versus the Copenhagen interpretation which says the act of observation somehow collapses a waveform of probably locations into a single discrete location. This interpretation basically says that all locations are valid, and that the universe splits in along every valid location.

                    Level 4 gets into simulation theory and that we’re living effectively in a vast computer.

                    I think 1, 2, and 3 are probably true.

                    Think it, be it.

                    last edited by 15 Feb 2024, 15:51 1 Reply Last reply Reply Quote 0
                    • S
                      SKT
                      見習いボス
                      Joined: 26 Aug 2019

                      This is why we need the Time Variance Authority. 🤯

                      last edited by 15 Feb 2024, 16:03 1 Reply Last reply Reply Quote 3
                      • N
                        Nocturama
                        Haraki san Prodigy
                        Joined: 1 Jan 2023

                        Me, pretending to understand this thread, whilst wishing I hadn’t rewatched The Matrix yesterday…

                        IMG_0234.jpeg

                        #JustStopCrocs

                        last edited by 15 Feb 2024, 16:16 1 Reply Last reply Reply Quote 0
                        • I
                          IrishHeart
                          Haraki san Expert
                          Joined: 1 Mar 2023

                          I only popped on here to look at the jeans.

                          last edited by 15 Feb 2024, 16:24 1 Reply Last reply Reply Quote 9
                          • S
                            seawolf
                            Mod Squad
                            @Mizmazzle
                            Joined: 28 Oct 2011

                            @Mizmazzle This honestly made me nauseated for a second as my brain tried to comprehend.

                            “Good design is actually a lot harder to notice than poor design, in part because good designs fit our needs so well that the design is invisible” - Don Norman

                            @zeebeeleather

                            last edited by 15 Feb 2024, 17:29 1 Reply Last reply Reply Quote 0
                            • S
                              seawolf
                              Mod Squad
                              Joined: 28 Oct 2011

                              That's enough internet for today, friends! 🤣

                              “Good design is actually a lot harder to notice than poor design, in part because good designs fit our needs so well that the design is invisible” - Don Norman

                              @zeebeeleather

                              last edited by 15 Feb 2024, 17:31 1 Reply Last reply Reply Quote 1
                              • M
                                Matt
                                見習いボス
                                Joined: 4 Oct 2011

                                The beautiful irony of this is that it’s all an attempt at understanding something that our brains are not evolutionarily designed to understand. Humans are so obnoxious.

                                last edited by 15 Feb 2024, 17:45 M 1 Reply Last reply 15 Feb 2024, 18:59 Reply Quote 0
                                • G
                                  Giles
                                  IHUK Crew
                                  Joined: 22 Sept 2009

                                  Fuck off

                                  "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

                                  last edited by 15 Feb 2024, 18:35 1 Reply Last reply Reply Quote 5
                                  • M
                                    mclaincausey
                                    見習いボス
                                    @Matt
                                    Joined: 12 Apr 2013

                                    Contemplating the infinite and how inconsequential we are on the cosmic scale can both “blow your mind” and lead to existential dread. For me it does the former but not the latter. If anything it just makes me more grateful to be here for what time I have. There’s a great documentary about infinity on Netflix that touches on that. Even though there will never be a way to be sure about the various multiverses, I have reasons to believe at least in the first 3 I won’t bore you with and believe the 4th is possible. None of it makes any functional difference in how I live my life.

                                    @Matt what’s cool about it other than a natural desire to understand how it all came to be is that this kind of exploration can yield valuable outcomes. Without quantum mechanics, we wouldn’t have microprocessors or be talking right now, for example.

                                    But also yeah, shag off ya tossers 😂

                                    Think it, be it.

                                    last edited by 15 Feb 2024, 18:59 1 Reply Last reply Reply Quote 0
                                    • M
                                      Matt
                                      見習いボス
                                      Joined: 4 Oct 2011

                                      I’m somewhere in the middle. More like existential indifference.

                                      last edited by 15 Feb 2024, 19:16 1 Reply Last reply Reply Quote 2
                                      • G
                                        goosehd
                                        Mod Squad
                                        Joined: 8 Apr 2016

                                        God, grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the wisdom to know the difference. - Reinhold Niebuhr

                                        "I don't give a shit what anyone else is doing, we will do what is best for us and our customers" - Giles P. :)

                                        last edited by 15 Feb 2024, 19:21 1 Reply Last reply Reply Quote 0
                                        • W
                                          weftyarn
                                          Iron Heart Deity
                                          Joined: 8 Nov 2020

                                          One thing is for sure: If this is a simulation I want to thank whoever is playing me for discovering the IH part of the map. And so early too, great job!

                                          Use it or lose it.

                                          last edited by 15 Feb 2024, 19:30 1 Reply Last reply Reply Quote 4
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