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[Part 2] Paul Davies on What’s Eating the Universe | Closer To Truth Chats 

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Astrophysicist Paul Davies continues the conversation on his new book, What’s Eating the Universe? And Other Cosmic Questions. From Consciousness, the Cosmic Horizon, and the fate of our universe to if there's meaning to existence, whether aliens exist, and the Doomsday Argument.
Davies' book, What’s Eating the Universe?, is available for purchase now: press.uchicago...
Paul Davies is Director of BEYOND: Center for Fundamental Concepts in Science at Arizona State University. He is a theoretical physicist, cosmologist, astrobiologist, and best-selling science author. He has published 30 books and hundreds of research papers across a range of scientific fields, including quantum gravity, early universe cosmology, the nature of time, astrobiology, and an evolutionary theory of cancer. Among his many awards are the 1995 Templeton Prize and the Faraday Prize from The Royal Society.
Register for free at closertotruth.com for subscriber-only exclusives: bit.ly/2GXmFsP
Closer To Truth, hosted by Robert Lawrence Kuhn, presents the world’s greatest thinkers exploring humanity’s deepest questions. Discover fundamental issues of existence. Engage new and diverse ways of thinking. Appreciate intense debates. Share your own opinions. Seek your own answers.
© 2022 Closer To Truth

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30 сен 2024

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Комментарии : 66   
@francesco5581
@francesco5581 2 года назад
1 hour and 17 with Paul Davies ? Is Christmas already ?
@spiralsun1
@spiralsun1 2 года назад
Lol, I love this 🥰
@timfahey7127
@timfahey7127 2 года назад
Thanks to both of you for the time you took for this. I appreciate it.
@haroonaverroes6537
@haroonaverroes6537 2 года назад
eureka, the rest is space and gravity. (they are strongly connected) that will solve the mystery of quantum mechanics too, I was pretty sure that they are on the same road.
@joegeorge3889
@joegeorge3889 2 года назад
Imagine something infinite in time I can see this going forward but in the past something without a beginning is mind boggling it's hard for humans to wrap their heads around this
@spiralsun1
@spiralsun1 2 года назад
Yes, I think I get why it’s hard for them to do. But it’s also the key to everything to do so. 🤔
@kenadams5504
@kenadams5504 2 года назад
Think of this as a boat on an ocean on Earth's entire surface .Wherever it goes , or wherever it starts , it can travel around Earth's sphere infinitely.It doesnt need to start at any particular place , or end at any particular place.For Earth's surface , substitute time .
@otiyacot
@otiyacot 2 года назад
=Paying absolute homage to mathematics is like giving certainty to everything. Which is itself anti-scientific. =Rendir absoluta pleitesía a las matemáticas, es como dar certeza a todo. Lo cual es en sí anti-científico.
@basharatmajeed6230
@basharatmajeed6230 2 года назад
Are you doing it for buisness or you are really passionate about the journey to find" the truth behind the universe and finding the truth of so called consciousnness"?
@PetraKann
@PetraKann 2 года назад
One of Khan’s better interviews (always great when the interviewer allows the guest plenty of time to answer questions without interruption)
@vjnt1star
@vjnt1star 2 года назад
I find it strange that there is a speed limit in the universe which happen to be the speed of light. The concept of speed limit seems very odd in a random world
@spiralsun1
@spiralsun1 2 года назад
It’s not random-light needs a finite speed so it can reflect, transmit, do stuff. That’s why there’s spacetime. A limit on probabilities, so god can think. When god meditates, universes are created.
@kenadams5504
@kenadams5504 2 года назад
Speed is less controlled wrt anything other than light.eg wind moves at different ,random speeds.Light is unique because it always moves at a fixed speed regardless of everything else.The speed of light is always constant , as discovered by Einstein.If you run towards an oncoming vehicle, it will reach you sooner so , in effect, you increase the vehicle's speed...but if you run towards light , it wont reach you any sooner (its speed is constant). Light speed happens to be the fastest speed in the Universe ,and thats why it is the speed limit.Interestingly , Space can move faster than light (in a blackhole, for example) but because Space itself moving , is distinct from moving 'through' Space , this movement isn't considered as faster than the Speed of Light.
@sleeplessdev7204
@sleeplessdev7204 2 года назад
Consider the inverse situation: If the universe had no speed limit, light could move infinitely fast. At infinite speeds, distance loses all meaning, essentially allowing events across the entire universe to occur simultaneously. If everything happens simultaneously and distance has no meaning, then time also has no meaning. Could such a universe even be said to "exist" if there is no boundary or distinction between its contents? Now you might rightfully wonder "Okay so there has to be some limit, but why should it be 299,792,458 m/s?". Unfortunately, I can't answer that for you. But what I can say about it, is that though it may seem "convenient" that the speed of light is just right to allow for quarks and atoms to form and aggregate into increasingly complex patterns which give rise to the beautiful and diverse array of things in our universe - that's actually a backwards way of looking at our situation. Here's an analogy I like to use: Some might claim that it is proof of intelligent design that the human eye is perfectly tuned for vision in the exact same part of the electromagnetic spectrum that the Sun provides peak output. You might already see through this flimsy logic: of course the eye is perfectly suited for the peak EM spectrum of the Sun, because we evolved in the presence of the Sun. Eyes that perceive the brightest light the Sun can produce will be able to see better and further, conferring a survival advantage which in turns allows that creature to survive to pass on its genes. Fast forward a few billion years, and you have a bunch of critters with eyes tuned for the environment in which they came to exist. Put another way, the mechanisms which give rise to eyes are sensitive to environmental conditions. Any adaptations which were not suited to those environmental conditions would be filtered out by the very nature of those mechanisms. Applying this same logic to the speed of light: Only entities that are consistent with the constants of the universe can come into existence. Though it may seem convenient from the perspective of one of those entities, that's only because we are standing at the end of a very long road, looking at all the twists and turns along the way, wondering how we conveniently ended up in this particular spot. But if we can only venture to places for which there is a road, then there's no mystery here; the universe couldn't have been any other way.
@MichaelDembinski
@MichaelDembinski 2 года назад
[Re: revelational dreams (at 1:11:18) and supersymmetry (1:12:28)... ] On 14 May 2017, I dreamt I wrote a letter to The Economist about supersymmetry and its possible role in macroeconomic forecasting. The Economist published my letter (it was in the second column of the letters page). On the third column, they published my letter again, this time as a mirror image of the original in the second column. I marvelled at their sense of humour.
@2msvalkyrie529
@2msvalkyrie529 Год назад
Hmm...? C'est bien curieux ..?
@ALavin-en1kr
@ALavin-en1kr 6 месяцев назад
A great scientist with good theories.
@BronteJoshua-i2o
@BronteJoshua-i2o 19 дней назад
Hernandez Patricia Wilson Kimberly Jones Kimberly
@haroonaverroes6537
@haroonaverroes6537 2 года назад
they say: extraordinary claims require extraordinary evidence, but what about extraordinary minds to comprehend instead of extraordinary evidence to convince the apes? isn't that possible ?!
@haroonaverroes6537
@haroonaverroes6537 2 года назад
They want to unify quantum mechanics and relativity without understanding space and time ! How through strings and bubbles ? No one can solve the mystery of Gravity without understanding both space and time. The storytellers said: Einstein did our job “keeping ruminating his work is enough”! I am pretty sure that if Einstein still alive he would disavow them. Science will never end or stop at anyone, it is a continuous hard work, Einstein was a real scientist, did his job, they have to blame themselves if they have minds, Einstein does not need storytellers to defend him, his work is more than enough to defend him, they make living by hiding behind the shadow of others! incorrect doesn’t mean it is is completely wrong! if Einstein theory is wrong it would not work, it needs improvement and correction, that will need understanding of space, that will take time, it is just a message for future generations “no one will take your job as storytellers” Einstein himself didn’t understand space and time, his theory does work because it described the side effects of Gravity. There is more work to do with quantum mechanics (both theories need correction and revision) There is a lot to do to unify both theories except understanding space. Do not worry it will take time, they think the next reliable theory in physics is easy! still a lot to do, solving the mystery of space will improve both physics and mathematics automatically. The problem of space must be solved, it is essential to make a real progress in both physics and mathematics. It is chaos, still a lot to improve and revise before the next generations be able to make any real scientific progress.
@vhawk1951kl
@vhawk1951kl 2 года назад
If only men (human beings)would not uses blurbs (unfocused and unfocusable ideas), they would not confuse themselves so. Universe or "the universe" is a classic blurb - utterly meaningless to those that use it/them- They neither have nor can have, a matching or corresponding direct immediate personal experiences (as direct immediate and personal as pain)because they are no more than vague incoherent generalisations, that cannot and never can or will be particularised, clarified or focus or rendered anything other than vague generalisations, the exact analogy of which are unfocused negatives or unfocused photographs
@robertsterler7091
@robertsterler7091 2 года назад
There is too much presumption about speculative things. Insecurity drives thinkers to grab more knowledge than they can hold. This is what religion does. Science is no different. What we know about mathematic is almost nothing compared to what exists. Our total knowledge is minutely minuscule and yet we delude ourselves to think we know a lot. Insecurity drives this wish fulfillment. In this interview these two cheerleaders ask too much of my faith
@cripplingautism5785
@cripplingautism5785 2 года назад
beetles aren't observers because they are probably not conscious, same with future AI. if you take a more limited view of consciousness and define observer as a 'conscious' observer then the doomsday argument holds up. also if you take a similar line of thought to not your place in time but your species then it becomes highly unlikely that you'd be human or even a mammal, assuming you had a more wide conception of consciousness. i think that's another reason to think consciousness is highly limited.
@2msvalkyrie529
@2msvalkyrie529 Год назад
He didn't ask Robert's favorite question ! ! ( Why is there Something rather than Nothing ? )
@haroonaverroes6537
@haroonaverroes6537 2 года назад
yeah all the starting angle of all triangles point to the same starting point of the bigger triangle "universe model" (the current understanding of space is incorrect) now rotate the triangles, I know that does not satisfy those addicted to bubbles, they shouldn't worry there are quantised balls to donuts and vice versa, they can rotate the circles those caused by rotation to generate bubble, the idea is not about the shapes whether cones or bubbles, it is about constants, infinity and space: think about the constant Pi in the cones and how they use it fo find a solutions for space and infinity then go deeper to planck's constant then to cosmological constant. it is important to understand constants and infinity to reach better understanding of space, solving the problem of space will open the gate and makes it easier to understand Gravity.
@haroonaverroes6537
@haroonaverroes6537 2 года назад
the so-called big bang model of the universe is not too far from reality, as if there are triangles within bigger triangle "the emergence of space", that is why what is going on at the subatomic level is strongly related to the bigger scene "universe" as if all the triangles points to the same starting point. former real scientists did a good work "humans are on the right track" only needs modifications, revisions and improvements. they have to rethink about constants and infinity.
@haroonaverroes6537
@haroonaverroes6537 2 года назад
bubbles bubbles bubbles bubbles bubbles ! the apes addicted completely to bubbles !
@haroonaverroes6537
@haroonaverroes6537 2 года назад
the two cycles are real, both of them do exist, knowing that will shorten the hard long journey, the next reliable revolutionary theory of physics is not too far.
@Bobby-fj8mk
@Bobby-fj8mk 2 года назад
The Big Bang theory is still weird - it's counter intuitive that the whole universe could fit into a size smaller than an atom. It makes me think there must be some other mechanism.
@jamesruscheinski8602
@jamesruscheinski8602 2 года назад
Maybe universe not have particular meaning, instead about meaning in general?
@brushbros
@brushbros 2 года назад
Much can be derived from the pattern and colors in the clothes people wear. Do you agree or nay?
@haroonaverroes6537
@haroonaverroes6537 2 года назад
it is very likely that there is misunderstanding about Gravity too: gravitational mass = inertial mass Read what I have mentioned before about gravity regarding masses, it is a property in each particle, gravitational fields work independently on each particle regardless its location to other particles, that is why all objects fall at the same rate. gravitational mass and inertial mass have the same value because they are the manifestations of the same phenomena. Try to think about the interaction of gravitational field with mass on the planets and in the outer space and gravitational mass and inertial mass. There is essential points missing about mass, energy, speed, space, time and gravity. Gravity works at the core building blocks of this universe its is connected directly to space, time is just a side product of generating or actions on space "for instance when gravity effects space it effects time automatically", there is no time without space and calculations of space, you already do continuous calculations in your brain unknowingly to measure time as a result. time issue is more complicated than that because of the relation between energy, mass, gravity,… and the existence of two cycles, but building a better model will help to solve the main problems in physics.
@nuqwestr
@nuqwestr 2 года назад
What do you think of Sir Roger Penrose's idea of how gravity affects the collapsing wave function, and his cyclical universe.
@DestroManiak
@DestroManiak 2 года назад
I'd rather have a conversation than a Q&A session.
@ItsEverythingElse
@ItsEverythingElse 2 года назад
Gravity only conquers all locally (causally?)
@ItsEverythingElse
@ItsEverythingElse 2 года назад
Never understood the information paradox of black holes. Even if information falls into the "singularity", that singularity is still part of this universe, even if it's causally disconnected for (almost) ever (until the black hole evaporates). How could black holes evaporate if they were NOT still part of this universe?
@kenadams5504
@kenadams5504 2 года назад
The information paradox refers to the idea that information of the contents in blackholes "seems" to be lost from the Universe....this only "seems" to be lost.It actually isnt lost . A paradox is a "seeming " contradiction which is actually explainable.The explanation comes from the Holographic Principal which says that the info of the 3 dimensional objects that go into the bh is kind of "pasted" onto the event horizon of the bh. This "pasted info" is what radiates off the bh and remains after the bh dissappears (thus conserving the iformation from the black hole after it has dissappeared.) If u utube Holographic Principal and Science Festival there are some interesting videos about the details of this phenomenal process.
@haroonaverroes6537
@haroonaverroes6537 2 года назад
eureka, the rest is space and gravity.
@haroonaverroes6537
@haroonaverroes6537 2 года назад
they go too far ! bubbles and .... you have to have solid base firstly (better understanding of the fundamentals of physics "still missing a lot") unless they get used to their huge bubbles those soon will explode and vanish !
@haroonaverroes6537
@haroonaverroes6537 2 года назад
they have misunderstanding about time, time strongly related to space, humans need space as arena to calculate time, time travel to the past is not possible, why it is a long story, basically if that is possible humans in future would come to me directly ! unfair! your brain makes continuous calculations for dimensions and change thus "time", the cerebellum plays main role in that process, but you are unaware of that, that is why speed, acceleration, velocity,... are strongly related to space and time and how we measure them. reference, memory, ..... it is a long story! the clock and hour, minute hands are the reference and memory, ticking is the measurement, .... the story is in space itself, they have misunderstanding, there is a process of space creation and there are two cycles not only one cycle, still too early for that. that does not mean that time does not exist or just an illusion, it only means: there is no time without space.
@RyanK-100
@RyanK-100 2 года назад
Where did matter come from? There originally were two gods, Hunahpú and Xbalanqué, who created matter, but then got into a battle and killed each other that's why we can't see them. The only thing left was the matter. But the remains of the gods can be seen in the pattern of the stars. The real question is: Why was there an imbalance between matter and antimatter at the big bang?
@haroonaverroes6537
@haroonaverroes6537 2 года назад
it is nearly impossible to make a real progress, the current accumulated scientific knowledge needs revision and improvement firstly and parallel progress in mathematics is essential too. then wait for the next generations (the next reliable theory of physics is different).
@haroonaverroes6537
@haroonaverroes6537 2 года назад
I found the key of the gate of science(still a lot of hard work to do) but knowing what is going on will make it easier, the gods of the apes know the future but have no complete control, they reached cycle two (which reachable only through science). mankind can master science.
@haroonaverroes6537
@haroonaverroes6537 2 года назад
they have misunderstanding about memory, prediction, present and measured time too
@wicekwickowski3798
@wicekwickowski3798 2 года назад
,
@haroonaverroes6537
@haroonaverroes6537 2 года назад
the best dreams are bubbles dreams
@haroonaverroes6537
@haroonaverroes6537 2 года назад
many assumptions are useless without better understanding of space itself "that can not help to make any real scientific progress". right now it is better to focus on better understanding of space to have the ability to make real scientific progress instead of utter useless assumptions.
@kenadams5504
@kenadams5504 2 года назад
A successful business can be based on a noble pursuit .Why not make a good living as you pursue noble truths ?
@v2u2
@v2u2 2 года назад
❤👏👏❤
@normaodenthal8009
@normaodenthal8009 2 года назад
Absolutely loved this romp through the cosmos with Paul. This little hitchhiker in the galaxy seems to remember that the answer to the question of the universe and everything was 42, but then, what was the question? One thing is certain, which is that answers always lead to more questions. Perhaps the golden age of cosmology is always yet to come.
@spiralsun1
@spiralsun1 2 года назад
Ok, good point. That you shouldn’t trust most of your dreams and visions-especially if you can’t communicate them. Now you are beginning to understand. That’s the whole reason I figured things out from the beginning. Why I love science. Speaking accurately. I talk about this a lot in my first book. There is a definite answer to this problem-unequivocal. People don’t understand what inflation actually is but I explain it in my new book which explains living and conscious mater. I can explain the origin of life, matter, the universe, and yes Consciousness. We are not at step Zero. We have arrived. Hoop dreams and all that. Those are legit. 😂 Why do you think suns concentrate around black holes? That doesn’t exist in a vacuum. Even though it technically does 🤔🤷‍♀️ -but not of meaning, of actual significance. why do suns move faster as you move toward black holes? Because that’s how god speaks-with reality. That’s why there have been so many geniuses and inventions and wealth in recent history and walking on the moon. We are moving toward opening of the portal, the mouth of god on earth and stuff like that. Those inventions and wealth, etc. are only a glimpse of what is coming when humans understand what I write and speak. When the mouth of god speaks on Earth. It sounds crazy but it’s literally the only way to interpret the universe as a literary work and symbol-interface of god. I struggled a long time trying to resist the idea that it might be me to speak this since I literally have no ego. But when I tried, I nearly killed my friend because it drives people who can’t fully see insane-the conflict of older patterns and new. I can’t make anyone else be me-for their own sake. Because they have to go insane or be destroyed because they won’t see the whole and will therefore destroy the great work. (ie US). So it’s automatic. Once you see what the multiverse is and how it works, then it all makes perfect sense and you don’t even need much math to understand it. So the message to me is, if I love life I will accept responsibility for a life unique in time and space. A life where I was born to be me. A life no one else can live. I understand the universe. And I understand god. Loud and clear no static. God is in everyone and everything. They just don’t see it, but I do-and I will be damned if I don’t talk about it. So there. I just told you. 😂 Thanks 🙏🏻 Note that I spoke about god without question… because there isn’t.
@vhawk1951kl
@vhawk1951kl 2 года назад
Gosh, you know everything, don't you? - Do please define, or set out exactly what you mean by or seek to convey when you use, universe or the universe -*without*( being forbidden) cognates and synonyms or psychological algebra - X = Y = X, but you cannot, can you, and this you are about to demonstrate, by signally failing to do so. Remember cognates and synonyms and substituting for one undefined another or other undefined terms, are strictly forbidden so you will have to do the - for you impossible: define what you cannot define clarify what you cannot clarify the precise about that which you simply cannot be precise particular and specific - as you are about to demonstrate. What is the title of, and who are the publishers of your "book" (which I take to be imaginary)?
@2msvalkyrie529
@2msvalkyrie529 Год назад
Stephanie : You will be sneered at and dismissed by many ( see above ! ) But you may be closer to Truth than they are !!
@mehdibaghbadran3182
@mehdibaghbadran3182 2 года назад
Thanks regards, I believe that the only, writers, who are honest and true and trusted, are the scientists, and good luck
@TheTroofSayer
@TheTroofSayer 2 года назад
At 55:31 "Dream-run of fluky chemical reactions" is one thing. But that these fluky, life-essential recombinations persist across time, despite the forces of entropy assailing them from every direction, is quite another. The ability of life on Earth to *persist across time* provides its own evidence that the entire universe is predisposed to life, anywhere where the conditions are right. As it is over here, with all its predispositions, likelihoods and persistencies, so too it is over there, on Andromeda, Triangulum, Sombrero, IC1101 and Alcyoneus. Invoking an example of the absurd, if NASA researchers found cogs, wheels, pulleys, gears, nuts and bolts on Mars, then they would have no choice other than to conclude that some manner of advanced society once existed there. Well, the cogs, wheels, pulleys, gears, nuts and bolts of life are strewn throughout the cosmos in the CHNOPS of life. At 56:19 "But we have no evidence for it, and that's why I attach such enormous importance on finding life elsewhere in the universe." Given my preceding point, how much evidence do we need? How are we going to find evidence of life elsewhere in the universe, if we have not done so by now? I think we've done pretty well, thus far, to establish the cosmos-wide prevalence of CHNOPS, along with the incomprehensibly huge universe revealed to us by Hubble DeepField. In this light, the notion that we are alone in the universe seems to me to be illogical, and it is its proponents who are the romantics. I've been following and reading Davies since his first books came out decades ago, so his continuing to take seriously the notion that we are alone in the universe is not what I expected. On the matter of finding evidence of life elsewhere, it is unlikely to get much better than what we have. Consider the practicalities. Of the 100 billion stars in our Milky Way, the nearest is 4 light-years away, and evidence will require technology to get there, to take samples, and to return. Arecibo's transmission to GC M13, within our own Milky Way 25000 lightyears away, has a minimum ROI of 500 centuries - most of Arecibo's researchers and investors of 1974 will likely be dead by the time their investment yields the sorts of results that we might enjoy as evidence of life elsewhere. Good luck holding our breaths waiting for that to happen.
@EXISTENCE1891
@EXISTENCE1891 2 года назад
You can have as much CHNOPS as you wish in as many places as you want but it still takes "information" to produce the first DNA/RNA molecule. "Demon in the machine" by Davies or "Signature in the cell" by Meyer
@TheTroofSayer
@TheTroofSayer 2 года назад
​@@EXISTENCE1891 You are not taking entropy seriously. All the information in the world is no good to you if it gets snuffed out by entropy before structured complexity might materialize. Here, my emphasis is on Shannon entropy, not 2nd law Boltzmann entropy.
@cripplingautism5785
@cripplingautism5785 2 года назад
"The ability of life on Earth to persist across time provides its own evidence that the entire universe is predisposed to life, anywhere where the conditions are right." i don't get this argument whatsoever. you still need the genesis event and the subsequent evolution assuming you want more complex life. what reason are there to think those events are commonplace? life persists on earth across time because one the conditions have remained hospitable and two it happened to get off the ground in the first place. those are not guarantees. i also think it's presumptuous to assume that the conditions for life are present elsewhere. we don't know exactly how precise they need to be.
@TheTroofSayer
@TheTroofSayer 2 года назад
​@@cripplingautism5785 You don't need THE genesis event. Genesis is ongoing because it reflects a fundamental property of matter. The persistence of life across time would not occur without it. If this were not the case, then in the extremely unlikely event that life would appear, it would vanish just as quickly. We can understand why only if we take entropy seriously. The basis for my thinking relates to third-power reduction, which relates to Geoffrey West's book Scale (2017). The dynamics playing out at the subatomic, atomic and molecular realms are very different to what our intuitions assume. No magic, no woo, just infinite possibility, liberated from newtonian-level constraints, having greatest access at the smallest scales.
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