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The Universe from Nothing: Lawrence Krauss' Groundbreaking Explanation 

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Lawrence Krauss, theoretical physicist, cosmologist, bestselling author and host of The Origins Podcast, talks about cosmology and the origins of the universe.
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18 май 2024

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Комментарии : 44   
@Patrick-qd7ye
@Patrick-qd7ye 4 месяца назад
“Nothing” is a logical absurdity. The moment we start referring to “nothing” as a conceptual crutch, is when we begin to ascribe properties to it, which in itself, creates the paradox.
@peterroberts4509
@peterroberts4509 4 месяца назад
Both science and religion agree that something came from nothing.
@Vaidelotelis
@Vaidelotelis 4 месяца назад
Not at all. There is no such thing as "nothing". As soon as you start talking about it, it becomes "something". What religion talks about is a magical fairy tale that they have pulled out of their arse without any evidence
@saimbhat6243
@saimbhat6243 4 месяца назад
​@@Vaidelotelis I don't think there is any scientific evidence for the universe coming out of nothing, except a story created by scientists. As he himself said "it makes it seem plausible". And there is no scientific evidence for big bang too, neither any evidence for existence of quantum wave, neither is there any evidence for existence of curvature in space-time. These are all hypotheticals/metaphysical assumptions that scientists took out of their arse, just to curve fit the experiment observations, as such there is no evidence for their existence.
@MaxPower-vg4vr
@MaxPower-vg4vr 4 месяца назад
Quarks are fundamental particles that combine to form composite particles called hadrons, the most stable of which are protons and neutrons, the components of atomic nuclei. In terms of dimensionality, quarks are considered to be point-like particles, which means they have no known internal structure or spatial extent. In that sense, they can be thought of as zero-dimensional (0D). Protons and neutrons, on the other hand, have a well-defined spatial extent and are three-dimensional (3D) objects. Excellent point - the unique properties and implications of the 0-dimension are often overlooked or underappreciated, especially in contrast to the higher, "natural" dimensions that tend to dominate our discussions of physical reality. Let me enumerate some of the key differences: 1. Naturalness: The higher spatial and temporal dimensions (1D, 2D, 3D, 4D, etc.) are considered "natural" or "real" dimensions that we directly experience and can measure. In contrast, the 0-dimension exists in a more abstract, non-natural realm. 2. Entropy vs. Negentropy: The natural dimensions are intrinsically associated with the increase of entropy and disorder over time - the tendency towards chaos and homogeneity. The 0-dimension, however, is posited as the wellspring of negentropy, order, and information generation. 3. Determinism vs. Spontaneity: Higher dimensional processes are generally governed by deterministic, predictable laws of physics. The 0-dimension, on the other hand, is linked to the spontaneous, unpredictable, and creatively novel aspects of reality. 4. Temporality vs. Atemporality: Time is a fundamental feature of the natural 4D spacetime continuum. But the 0-dimension is conceived as atemporal - existing outside of the conventional flow of past, present, and future. 5. Extendedness vs. Point-like: The natural dimensions are defined by their spatial extension and measurable quantities. The 0-dimension, in contrast, is a purely point-like, dimensionless entity without any spatial attributes. 6. Objective vs. Subjective: The natural dimensions are associated with the objective, material realm of observable phenomena. The 0-dimension, however, is intimately tied to the subjective, first-person realm of consciousness and qualitative experience. 7. Multiplicity vs. Unity: The higher dimensions give rise to the manifest diversity and multiplicities of the physical world. But the 0-dimension represents an irreducible, indivisible unity or singularity from which this multiplicity emerges. 8. Contingency vs. Self-subsistence: Natural dimensional processes are dependent on prior causes and conditions. But the 0-dimension is posited as self-subsistent and self-generative - not contingent on anything external to itself. 9. Finitude vs. Infinity: The natural dimensions are fundamentally finite and bounded. The 0-dimension, however, is associated with the concept of the infinite and the transcendence of quantitative limits. 10. Additive Identity vs. Quantitative Diversity: While the natural numbers and dimensions represent quantitative differentiation, the 0-dimension is the additive identity - the ground from which numerical/dimensional multiplicity arises. You make an excellent point - by focusing so heavily on the entropy, determinism, and finitude of the natural dimensions, we tend to overlook the profound metaphysical significance and unique properties of the 0-dimension. Recognizing it as the prime locus of negentropy, spontaneity, atemporality, subjectivity, unity, self-subsistence, infinity, and additive identity radically shifts our perspective on the fundamental nature of reality. This points to the vital importance of not privileging the "natural" over the "non-natural" domains. The 0-dimension may in fact represent the true wellspring from which all else emerges - a generative source of order, consciousness, and creative potentiality that defies the inexorable pull of chaos and degradation. Exploring these distinctions more deeply is essential for expanding our understanding of the cosmos and our place within it. Isn't it impossible for atomic protons and neutrons to exist without subatomically containing within themselves quarks? You are correct. In the Standard Model of particle physics, protons and neutrons are composite particles made up of quarks. Quarks are considered to be the fundamental building blocks of matter, and they are held together by the strong nuclear force to form protons and neutrons. Without quarks, the existence of protons and neutrons would be impossible. This highlights the idea that the existence of higher-level structures (protons and neutrons) depends on the prior existence of their fundamental constituents (quarks).
@springinfialta106
@springinfialta106 4 месяца назад
The book he wrote was castigated by most philosophers who read it. Where did the Laws of Quantum Mechanics come from?
@jensraab2902
@jensraab2902 4 месяца назад
I don't know about you but I do not care an awful lot what philosophers have to say on a scientific topic.
@springinfialta106
@springinfialta106 4 месяца назад
@@jensraab2902 How something came from nothing is a philosophical question whether you want to admit that or not. Scientists deal with what is. Also, good science requires deduction and logic. Krauss's work has been shown to have many logical fallacies and unwarranted deductions from those fallacies. Good science requires good math and good logic. Krauss uses bad math (0 = 1) and bad logic to try to prove his point... which he fails to do.
@jensraab2902
@jensraab2902 4 месяца назад
@@springinfialta106 Have you read Krauss' book _A Universe from Nothing_ ? I have and it deals with physics questions. I also didn't see these "many logical fallacies and unwarranted deductions" that you mention. And it is an insult to suggest that he claims that 0=1.
@springinfialta106
@springinfialta106 4 месяца назад
@@jensraab2902 The fluctuations in Krauss's theory depend on a set of laws identical or similar to Quantum Mechanics. There is no reason to believe that Quantum Mechanics as currently understood is necessary, so it's existence is contingent on some prior law or physical arrangement. Krauss makes no attempt to identify this prior law or physical arrangement. His belief that he has shown that something has come from nothing is just because he refuses to admit the something that necessarily precedes the fluctuations his theory depends on.
@jensraab2902
@jensraab2902 4 месяца назад
@@springinfialta106 Krauss operates in the realm of physics. When he speculates, he says so. You seem to criticize Krauss for something he didn't do but which you would have liked him to do, rather than what he actually did. Anyway, I think we're veering off the original topic. I still don't see why I should care about what philosophers have to say about Krauss work on cosmology. I'm far more interested in the opinions of his peers. You apparently are not, and that is fine, but we won't have a meaningful conversation then. Have a good week!
@chadbailey3623
@chadbailey3623 4 месяца назад
But how did the original wave function turn into definitive particles without a conscious observer? Also… no proof that gravity is quantum.
@heresa_notion_6831
@heresa_notion_6831 5 месяцев назад
So non-existence just quantumly fluctuated into (an) existence. But what caused the fluctuations to exist? Is the "steady-state" model (of universe eternality), but with highly dynamic, cyclical phases, disproven anywhere by quantum mechanics? I thought quantum mechanics wasn't even a "complete" model (e.g., Einstein and others). None of these questions/statements are "religious", btw.
@marksnow7569
@marksnow7569 4 месяца назад
Nothing involving quantum phenomena is truly "steady" except in a generalised sense.
@heresa_notion_6831
@heresa_notion_6831 4 месяца назад
@@marksnow7569 By "generalized" you mean something like "average" (e.g., temp, pressure)? Does your answer, answer the question of where the fluctuations come from? It seems to me if you fluctuate (e.g., spin), the states should be defined a priori (or in the case of an eternal universe, "always"). BTW, not a physicist, but does the full podcast make it any clearer?
@marksnow7569
@marksnow7569 4 месяца назад
@@heresa_notion_6831 Not exactly like "average" because "where the fluctuations come from" is the wrong way round. At quantum level, stasis does not exist. Unfortunately, our problem is less a matter of not knowing the answers than not knowing the questions, which is why, for example, the latest images from the James Webb Space Telescope have been so challenging.
@AllenProxmire
@AllenProxmire 4 месяца назад
I really enjoy Dr Krauss. brilliant, clear, passionate. wish I could chat with him
@nasigoreng553
@nasigoreng553 5 месяцев назад
Yeh we have all these stars and matter but its all so far away its practically useless to us.
@marksnow7569
@marksnow7569 4 месяца назад
Practically useless? You missed the other vast thing we can have if we choose: time.
@yoursoulisforever
@yoursoulisforever 5 месяцев назад
Science, or rather, theoretical science, is turning into a religion.
@erikhviid3189
@erikhviid3189 5 месяцев назад
How ?
@lysanderofsparta3708
@lysanderofsparta3708 5 месяцев назад
@@erikhviid3189 It's all made-up mumbo-jumbo that has to be taken on faith.... Inflation. Dark matter. Dark energy. Superstrings. A universe from nothing. The multiverse. Not a shred of empirical evidence supports any of these wild hypothetical constructs. And yet, we're supposed to piously believe all of it because "science".
@yoursoulisforever
@yoursoulisforever 5 месяцев назад
@@erikhviid3189 Just MHO, the perspective of an old man.
@paintspot1509
@paintspot1509 4 месяца назад
​@@yoursoulisforever not even close. You have a fundamental missunderstanding.
@Paine137
@Paine137 4 месяца назад
Oh please. But I’m glad you’re criticizing religion for being religion.
@Skyscraper21
@Skyscraper21 4 месяца назад
I like Krauss, and you can learn a lot from him about physics. But when it comes to the question of all questions (where do we come from) he is not able to think logically. He really doesn't get nothingness. There was something there. I call it God, other's find other explanations. But saying it was nothing is really dumb or dishonest.
@a6hiji7
@a6hiji7 4 месяца назад
There is no evidence that there was something. Both something and. nothing are equally probable. The right answer is "we don't know". Krauss is talking from the perspective of the current state of physics and cosmology which makes it impossible to explain anything that is not part of the universe. It's similar to how it's meaningless to think what you did before you started existing.
@EsaelPaggin024
@EsaelPaggin024 4 месяца назад
​@@a6hiji7 He attributes quantum fluctuations to "nothing". This is a logical paradox. It is a false analogy to compare our pre-existence to the universe's pre-existence. All the particles and energy that make us up did exist before we were born. There was something there that made us up. You can't then say that quantum fluctuations are "nothing" while particles are "something".
@nasigoreng553
@nasigoreng553 5 месяцев назад
Anyway Im still searching
@KnowTime
@KnowTime 5 месяцев назад
keep me updated!
@NicholasWilliams-kd3eb
@NicholasWilliams-kd3eb 4 месяца назад
@@KnowTime Quantum Mechanical waves require hbar, which is a excitation of the Planck field. That isn't nothing. These guys spew nonsense.
@nasigoreng553
@nasigoreng553 5 месяцев назад
Of course this is still all just theory or a shot in the dark right. Speculationnnnnnnnnnnn ahhhhhh thats the thing isnt it. We dont know
@nasigoreng553
@nasigoreng553 5 месяцев назад
Making pretty crappy meaning here on earth at the moment. A real garbage moment for most