Roger Penrose - Did the Universe Begin?

Congratulations to Sir Roger Penrose for winning the 2020 Nobel Prize in Physics.
Some scientists claim that the universe did not have a beginning. Some theologians contend that the universe did not need a beginning. Yet the universe is expanding, and so run the movie in reverse and there seems to be a beginning. What stakes are riding on whether the universe had a beginning?
Watch more interviews on the big bang and beginning of the universe: bit.ly/3d5jH4K
Sir Roger Penrose is a mathematical physicist, mathematician, philosopher of science and Nobel Laureate in Physics. He is the Emeritus Rouse Ball Professor of Mathematics at the Mathematical Institute of the University of Oxford, as well as an Emeritus Fellow of Wadham College.
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[@marksimpson2321]

This interviewer is brilliant. He lets experts speak and asks questions that are pertinent at helping the vast majority of the non expert audience clarify things. Ty.

[@dongately2817]

He makes it understandable, but not comprehensible, to even even the layman.

[@david-pb4bi]

That's because he wants to know the answer

[@bernaldelcastillo1768]

He is a scientist of the first order

[@amonmcranny2654]

The interviewer might be brilliant, but the interviewee is totally insane.

[@samarattia7347]

Really yes .

[@bateriaAA]

Gongrats to sir Roger Penrose for his nobel prize win!

[@captainhd9741]

@Übermensch That is an incredibly bad comment. You should always think about how people feel more than some silly mistake that is clearly either a typo or from someone that doesn’t know English as much as you. If you really have to then at least say “sir I don’t mean to be rude I just wanted to point out that you mispelt ‘congrats’ and have a nice day!”

[@captainhd9741]

@Übermensch I’m confused... “don’t be offended for goats”?

[@duskovic5739]

One mus egcept spelin meestakes wiff no worry.

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@WayneLynch69]

Penrose' ENTIRE predicate is answering a universe that has an answer. He along with everyone else, knows what Einstein said: "Thermodynamics is the one universal law which will never be overthrown". Heat does not/cannot begin--#1 Heat is not/cannot be eternal--#2 THEY WON'T GIVE A $1 MILLION NOBEL PRIZE FOR SAYING: "IT'S IMPOSSIBLE TO CIRCUMVENT THERMODYNAMICS, THEREFORE IMPOSSIBLE TO FORMULATE AN HYPOTHESIS" Entertaining maybe.....otherwise fakakta

[@ankeunruh7364]

In the mid-seventies, when I was a child, I heard "Penrose diagram". Later I saw it, loved it from the first hour - the entire universe on a sheet of paper! Never understood what else this man was doing... but I like to see that he is still around and well - as a Nobel Laureate!

[@Shadowx011]

As soon as the interviewer said “did the Universe begin” all the power in my house went out along with my internet. At that moment I thought the Universe had just stopped.

[@xxnotmuchxx]

The matrix have you

[@dogfish23]

Amazing. Most certainly not random.

[@ketchup5344]

The universe did stop and this is now a virtual reality. even this reply to your comment is just a dream youre having. 😳🤣✌

[@waynewalls5033]

That’s called a power out dude...

[@johndoe-ft3cp]

To objectify such a coincidence is insanely arrogant. Who do you think you are thinking that the "Universe", much less the world, is revolving around you?!!

[@Eekskway]

I could listen to Sir Roger all day long, he is an inspiration.

[@pauloneill9880]

Yeah he has a teenagers enthusiasm. Make viewers enjoy his energy.

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@pauljohnson6019]

He looks so much like Roger Federer, it's stunning! Looks like a 70+ year old Roger, who has come back to the future, to give us, so much Scientific wisdom, the face, the configuration, even the way he talks, the jokes, the humour, this is a duplication of Federer, taking an older form!

[@TheMightyFork_]

My channel is also an inspiration- listen to my performances.

[@soulwaves20000]

He doesn’t know shiet

[@tonythetraveller9759]

The sign of very deep understanding is the ability to explain very complex things in simpler terms. Roger is the best example in scientific community in this respect. What a wonderful and inspiring character, no matter if you agree with his views or not.

[@Scanini]

Trying to understand how something can begin with no before is like a cat trying to understand simple math. It never ceases to amaze me that we know what little we know.

[@rons5319]

Like the cat will never be able to understand that math, humans may never be able to understand the universe.

[@noegojimmy]

It amazes me how we don't live By our knowledge. Universe is absurd, but we give our illogical actions, which don't follow our knowledge, all kinds of meaning. Humans are beyond absurdness of the Universe.

[@MrRolnicek]

Except Penrose proposes that there was a before to every moment in time, just no scale of how much time in the parts that don't have any way of measuring time.

[@vitorfernandes651]

We actually do not know even that little. These are just theories. No west we could know what happened millions of years ago

[@Snowboardjedi892]

Would have been nice of a god creator to give us a little more to go on than Ten Commandments.

[@crayvun2196]

Absolutely beautiful subject. I feel privileged to have been able to hear such a discussion. Thank you.

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@TheTrancemaster90]

Penrose rocks, brilliant mind and brand new Nobel Prize, congrats!

[@Mentat1231]

I'm a very big fan, and I'm so glad he won the Nobel. Incidentally, I'm reading one of his books right now, so I was able to say to my wife (who has never heard of Penrose before) "the guy who wrote this book just won the Nobel Prize!"

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@jaydunstan1618]

Overrated.

[@TheTrancemaster90]

@THE ACOUSTIC CAGE Nobel for Physics and for other scientific fields are reliable

[@fredb2022]

Thank you to our host and to Sir Roger. Never tire of listening to Sir Roger even though much is beyond my ken.

[@lukestockett252]

This is what makes Roger Penrose a MVP! He's one of the few scientists with artistic ability, which is the old way science was done. That is why art is necessary to be a good scientist.

[@pucek365]

What I love about Sir Roger Penrose is the fact that he's trully brilliant mind that is able to actually make some new theories in the world of science that seem plausible, because he has an amazing ability to think for himself, not accepting everything community says as given truth and no other possibilites are there to discover.

[@samson6176]

Thanks for raising our intellectual thresholds up a notch or two Sir. Congratulations on winning the Nobel prize.

[@flaviusnita6008]

I didn't even think I'll understand when I began to see that video! But I did. What a bright mind! What a brilliant explainer! Thank You!!!

[@antoniomaglione4101]

Prof. Penrose is one-of-a-kind genius for how he tells his insights. Basically, he made irrelevant the question "What was before the Big Bang?" with his explanation of the essence of time being the matter itself, and these reciprocations - which turns implosions into expansions, and viceversa. He explained with utmost simplicity, what Eternity is.

[@captainhd9741]

I would be careful to use the word eternity because what is meant by word X in philosophy is not what is meant by word X in physics. In philosophy (although I may be mistaken as I am more focused on physics) that which is eternal does not undergo change. He would have to put forth a model where nothing is changing at all (no Big Bang or inflation or any events) for it to be eternal and I am sure that won’t happen without any commotion from the philosophy community.

[@Atonement-]

Bullchit dog... the question prevails.... WHAT CAUSED THE ALLEGED BIG BANG *THEORY* to occur.... you're a devil

[@captainhd9741]

@@Atonement- I’m so confused why you say that. If you’re religious you should be the last person to hate the Big Bang Theory. I’m not myself Christian bu the founder of the theory was called George Lemaitre who was a priest and brilliant physicist who was also the Big Brains behind the expansion of the universe idea (I think also CMBR but not sure about that one). Ironically it was atheists who appealed to the Steady State Theory and mocked his idea of a beginning. You also need to differentiate between a existential beginning and a temporal beginning if I am not mistaken.

[@pauloneill9880]

@@captainhd9741 Take it back! Too much! Nose Bleeding. ( Comedic comment from an under schooled adult man feeling inadequate but likes listening and attempting to grasp.)

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@BenNBuilds]

Almost every time I hear Roger talk or read a chapter of his book I get an attack of pure excitement

[@juancpgo]

What a fascinating idea. And what an open mind to have conceived this possibility!

[@tedl7538]

It's amazing to watch profound brilliance hit a brick wall, albeit a wall which is light years beyond any wall that we will ever reach.

[@FunktapusGaming4Lyf]

This is my favourite theory of the universe so far and i will continue to share this theory with others when the conversation arises!

[@altortugas5979]

Roger Penrose, “It’s turtles all the way down.”

[@Mentat1231]

Except, of course, that that is logically incoherent (check into Hilbert's Hotel, and the concierge will explain why), and in any case it would require an explanation of the whole infinite stack of turtles.

[@AlexanderShamov]

​@@Mentat1231 What exactly is logically incoherent about it, and what does it have to do with Hilbert's hotel?

[@Mentat1231]

@@AlexanderShamov Hilbert came up with the Hotel analogy to explain why actual infinities cannot exist in reality. And it's even worse if you try to say that an infinite series elapsed prior to now. By definition, infinite series do not elapse. That's what distinguishes them from finite ones. There is no final member of an infinite series.

[@AlexanderShamov]

​@@Mentat1231 I'm a mathematician, I know what Hilbert's hotel is. :) And I don't think it says anything about the reality of actual infinities. It's just an illustration of some basic properties of infinite sets, nothing more. The hypothesis that the Universe is infinite in its spatial or temporal extent may be right or wrong, but either way, it's not _logically_ inconsistent. By the way, logic is all about formal systems, it doesn't deal directly with reality.

[@Mentat1231]

@@AlexanderShamov Well, David Hilbert was also a mathematician, and an expert in dealing with infinities, and yet concluded "The role that remains for the infinite to play is solely that of an idea...." and "...the infinite is nowhere to be found in reality, no matter what experiences, observations, and knowledge are appealed to." ("On the Infinite", David Hilbert). Hilbert was not just pointing out properties, but showing their absurdity when applied to a real-world situation. If absurdities are entailed by an infinitely extended world, then it is rationally inconsistent of us to accept it (even if no logical contradiction is entailed). I should have said "rationally incoherent" or something like that. And absurdities are indeed entailed by the mere existence of infinitely many things. Worse yet, the world is not "temporally extended" (that is a misuse of tense, and therefore a meaningless string of words). But it has existed for some particular number of minutes. If that number were infinite, then arriving at the present would be like arriving at the highest or final number in an infinite series. And that is indeed logically incoherent. An infinite series is distinct from a finite one just because _it has no highest or final member._ As to logic: I have much I could say, but let's just put it like this: If I contradict myself in replying to you, then you should not take my response seriously (and I doubt you would). So, likewise, if a proposed view of the world is rationally or even logically incoherent, neither of us should take it seriously.

[@Phoenix-tv4gb]

Never born never died... Endless journey endless cycles 🕊️💖🕊️

[@jamespoff8632]

That's beautiful thank you

[@iamra8826]

Don't you find that somewhat Horrifying though?

[@bocows]

@@iamra8826 I don't know if I'd choose it, but I'd like to have the option of not existing.

[@telectronix1368]

What an utterly empty idea.

[@soulwaves20000]

Wishful thinking

[@sapanacharya1365]

This video reminds me what a time to be alive, in so many ways

[@chrisbuxton1958]

What a great chap. I could listen to him all day.

[@CapinCooke]

Always wonderful to hear from the great Roger Penrose. I remember reading Roger back in the 70s when he was trying to explain his “Twistor” theory. Congratulations Roger on your Nobel.

[@umeshkhanna4896]

Congratulations Sir Roger Penrose for winning Nobel prize. Lots of love and well wishes from India

[@Hecxa]

Just a friendly hint, please use static cameras. Constantly moving scene is annoying and distracting. But full points for the interviews and topics.

[@jeffbguarino]

I actually prefer an interview with cameras panning. So I guess they should do a survey to see how many people like or dislike this.

[@PPYTAO]

Doesn't bother me ¯\_(ツ)_/¯

[@farceofnature]

Stop moving ! It’s so distracting, the panning is ridiculous

[@Bibibosh]

Didn't notice nothing. I enjoyd the vid.

[@PPYTAO]

@Novak Ingood on the contrary though, there are a lot of people whom it didn't distract. Unfortunately for yourself and the few others who were distracted by it, regardless of content, video/film is an art form and people will always try different things. I was quite capable of concentrating on the subject matter without great effort.

[@breee1243]

Honestly this models my recursive thought pattern that seems to happen every time I consider the start/source/reality too well! I like it

[@MrKydaman]

I could listen to Sir Roger Penrose all day. It would be amazing to sit down and have a couple beers and long chat with him.

[@subratparidamath.1237]

Congratulations Prof. Sir Roger Penrose for 2020 Nobel Prize in Physics One of greatest mathematician and mathematical physicist for ever 🙌🙌

[@gaemlinsidoharthi]

This brings to mind zooming in on a Mandelbrot set plot where each new level of scale reveals itself to be similar to one before and to one after.

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@Os_Bosniak]

Sincere congratulations on the Nobel Prize. It is a great thing nowadays to listen to such greats of physics and mathematics who bring innovations in things founded by greats like Einstein

[@blakereneehope]

Wow congrats! Excellent, so we are all in on the odds with multiple universes. Fascinating.

[@YourLocalIceMan]

Someone loves their slide camera in these series.

[@diamondgeezertunes]

I know this camera person ( very pc ) and was drunk as a skunk , had trouble standing up let alone film .. Slowest motion sickness I’ve ever felt !

[@Nirvana_Replica]

Hahah

[@lxrnder4155]

Its making me dizzy

[@mitchhardy7458]

My utmost congrats to you on winning the Nobel Prize!

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@garyvale8347]

thank you Sir Roger for your dedication in developing your absolutely brilliant mind .......I struggle to understand most of this, but I can appricate you trying to educate the rest of us.........

[@DrShripalSharma]

Many many congratulations to Roger Penrose Sir to receive Noble prize this year. I know from U-tube video interview about his efforts to work on consciousness. I feel, he is a saint keen to know oneself.

[@chuckphilpot7756]

Holy shit. He just put into words what I have always thought. Large equals small at the end of infinity. And you can never tell where you are on the timeline.

[@pappycool]

Lol. Are you a Marxist? Lol

[@FredericEJohnson]

So, basically he's saying the the universe is eternal with big bang like phases.

[@jedaaa]

Yes and no, he illustrating how you can describe the universe where a biggining isn't necessary because time has no meaning an any sense we conventionally appreciate it. So in essence asking 'what came before the big band?' is as useful a question to ask as 'what's north of the north pole?'

[@SuperYtc1]

@@jedaaa you are just repeating that which I’ve read 1,000 times already, but really you don’t know what you’re talking about.

[@eddiebrown192]

That’s the way I understand it . The conditions of our phase will be the same at the end as they were in the beginning . No time , no space , no clocks , nothing to measure or measure with . Seems to me like entropy goes full circle . But what do I know .

[@Dystisis]

​@@eddiebrown192 Given the conditions at the end of the universe, the possibility of evaluating scale (and time goes away. So, the widely distributed end of one aeon is equivalent, according to Penrose, to the compact beginning of the next aeon (the "big bang"). It is a fascinating idea from a layman's perspective.

[@kmonsense8716]

If the universe is eternal, why do our bodies die?

[@Theone-ou2xt]

Sir Penrose's video reminds me i have to read Shadows of the mind.Watching his interview makes me regret myself not knowing maths so much.

[@pidginmac]

Great interviewer. Lovely Penrose. Fantastic share.

[@filosofiadetalhista]

That was fascinating - learning how mass and time could be equivalent. I still do not understand how, since I do not know the concepts and equations behind it, but it is fascinating nonetheless.

[@monicadelpilar23]

Congratulations to Sir Roger Penrose! One of the Greatest Mathematical Physicists of All Times! 🎓🎓🎓🎓🎓

[@AK-ft7fd]

Hi there! I hope you are doing well :) If don't, I hope you get the things right 😊 And congratulations Sir Penrose 👏👏 People like you always inspire! ✌

[@jimgraham6722]

Sir Roger is close to the heart of the matter. Nothingness is unstable, the aeons are a relaxation oscillator.

[@bruinflight1]

These interviews with Penrose are gems.

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@shiblyahmed3720]

He is very likely right about saying - to measure time, we need mass. However, the mass itself is a thing very difficult to fathom let alone understanding time itself!

[@laryxislust6664]

yes but equation and mathematics has its place guiding the model.

[@aucourant9998]

Roger Penrose is ;like a guru; I don't quite know what he is saying, but I feel my understanding has been raised.

[@JoryGKenneth]

Superb interview, thanx!

[@TheTwick]

Woody Allen said “Eternity is a long time, especially towards the end.” ♾

[@jesseliverless9811]

Ah ok

[@nivagsmada2854]

🤣🤣

[@tedl7538]

It feels like Woody has been making the same film for eternity, especially towards the end.

[@ontheisland11]

He also said, "eternal nothingness is okay so long as you're dressed for it."

[@soulwaves20000]

@@nivagsmada2854 wow great joke

[@a.i.m.projectrecordings7844]

Reminds me of the short story The Last Question by Isaac Asimov

[@lrvogt1257]

It's fascinating to think how many phenomena seem to depend on each other to merely exist. Higgs, mass, time, entropy, gravity, space. Amazing.

[@steveunderhill5935]

A very well orchestrated musical.

[@Maryam-sn2mz]

Finally my favourite person won a nobel ❤ for someone 2020 was good

[@sony5244]

Congratulations Mr. penrose for winning the Nobel prize, I envy you. Salute to you for ur work on Physics and promoting our understanding of the Universe .

[@marxman00]

I often overhear this stuff discussed in my local pub

[@BeckVMH]

Probably not in the same terms.

[@billy942]

Our locals " how do you shake hands ".

[@monian2877]

amazing wisdom and a communicator!

[@andrewpickering5180]

This explanation fits well with evolution over time. Wonderful work Sir.

[@donkique956]

Is the interviewer going for the Albert Einstein look?

[@FredericEJohnson]

I thought he was Einstein! :)

[@ufosrus]

I don't think he has a clue of what Pentose is saying.

[@mysteryhombre81]

@@ufosrus he's also a theoretical physicist...

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@Fomites]

@@ufosrus Penrose

[@bzakie2]

He was such a cool guy in the 80s. Dark hair, huge mutton chops and all round groovy dude with a big brain.

[@julien5053]

Never heard anyone puting forward that particular idea. And it's brilliant ! A true genius !

[@rubenchoychoo8551]

The camera operator is very skillful at searching the best angle. May be his skills would be highly appreciated in another production.

[@RealLordGaga]

With Penrose's aeons argument, physics becomes indistinguishable from speculative metaphysics.

[@danielsayre3385]

Science is a series of wild guesses backed up by math and built on by generations

[@caineblackknife2443]

Penrose seems legit. You, not so much... do you have any physics to back up your statement? Because he definitely does.

[@telectronix1368]

Yep. And you can see the interviewer pushing that point at 7:32 "..and (laughs) just walk me through that one more time...." meaning 'but you are not making sense there'. The BB theory posited a dense, hot point where all matter in the umiverse sfarted. So hot and dense that particles were at the subatomic level. Penrose decsribed the faaaar future where pretty much every particle has equalled out as photons, in a vastly diffuse and cold "mist". That isn't a 'hot dense place, so hot and dense and singular that you have a soup of subatomic particles'. Being able to imagine 'ah but.....from far enough away it might look like a single spot/place' isn't the same as ".....so it would actually BE another hot dense spot, so hot and dense that it explodes".

[@peinmilan]

If you are wondering what is the answer to the title question: he said "no".

[@TruthHasSpoken]

"I don't know what is reality and why reality it is what it is". He is right in his belief that the universe is not here by chance.

[@garymartinez8494]

I love roger penrose he's sl great i wish i could express to him the enlightenment he's brought yo my field of thought

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@gvenkatavenkata6273]

time requires mass energy neither created nor destroyed

[@geoffjoffy]

Carl Segan said something interesting. He said we see the future as open ended - infinite. No end. So why can't with see that at the other end. No 'beginning' is infinite.

[@Aguijon1982]

Some of us can. Its mainly believers in god who cannot stand having a eternal universe because that renders their god useless

[@telectronix1368]

@@Aguijon1982 Lol, no it isn't. 'endless' is just handwaving, whether someone says that a diety or the physical universe "......just is, and just is eternal".

[@Aguijon1982]

@@telectronix1368 Which is nonsense. When was time created then if time always existed then?

[@telectronix1368]

@@Aguijon1982 Try reading that comment again, bud.

[@Aguijon1982]

@@telectronix1368 Try reading the question again instead of avoiding it

[@johnaugsburger6192]

Thanks again

[@mmmegameat]

I am amazed how the most brilliant physicists and mathematicians devote their mind to studying cosmetology- for example, the infinite hair weave and fractals observed in the nail bed and periungual.

[@neffetSnnamremmiZ]

The real beginning is always ahead!

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@zephrynk9693]

Sir Roger is pretty smart and everything, but I once got a C- on a pre-algebra exam. Not to toot my own horn.

[@GTF85]

Nobody likes a show off

[@steveunderhill5935]

“Not to toot my own horn (which I do regularly).” ;)

[@Carlos-fh8wk]

I bet you didn’t even study.

[@bighands69]

You do not have to be good at maths to be good at physics and vice versa.

[@hdmartyh]

He is the best type of academic. Super smart, but able to contextualise his thinking into pretty simple terms.

[@mhill88ify]

Subtly important line from Sr. Roger: "you've got to have some other equations to make this....unique..." --- very particular and important wording here!!

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@terryhayward7905]

Thank you Mr Penrose, I have been trying to explain this to people for years, the universe is cyclic. there is no beginning and will be no end, just a change of state.

[@thegod2291]

Congratulations sir roger penrose for the winning of nobel prize.

[@omarwagmes7371]

Yo god is he right?

[@thegod2291]

@somedeveloperblokey Thanks mate , its actually 5000!

[@Bob-me8md]

I want to age like this man . Sharp as a whip

[@DionRBR]

So simply put but geniusly thought of. Hard to imagine it took so many people to come to fhis point.

[@9126786]

Amazing .. Always. Thanks

[@Icenflamesrush]

It never really made sense to me that something came out of nothing, simply intuitively. To me it feels like it makes more sense that something always existed.

[@quantacipher]

A short clip to celebrate Noble Prize winning of Roger Penrose:kzbin.info/www/bejne/o3XYd2lqqa2Gqrs

[@marksimpson2321]

Ultimately though any theory that suggests there is no beginning will be problematic for science because that would want to answer the question of WHY ?

[@marxman00]

@@spac3junk117 You solved it! Why does it takes all these dudes in sweaters so long?

[@bokchoiman]

I mean, space isn't even really empty. Could be that the energy is always there, and just by the consequences of our laws of physics, it takes many different forms.

[@leebennett1821]

@@captainhd9741 how is the soul measured ? how is it Quantified ? what is the soul? How are we to prove it exists? How are we to agree what Proof of the soul is?

[@Pat_11131]

I love this man. I hope he goes down as one of the greatest minds to have ever existed in this Æon

[@gsilcoful]

Thank you.

[@garvitdixit5932]

It is amazing to see Sir Roger Penrose interviewed by Albert Einstein

[@8beef4u]

It's a shame Hawking had to pass too soon. He would have shard the Nobel Prize with Roger.

[@1234567sophia]

I wrote Hawking - but he couldn't believe that He was the Almighty in disguise with volontairy amnaesia I think Einstein would believe

[@bithikamallick2156]

Not at all too soon..... Penrose is living long

[@am1089]

Well, rogger will join hawking in hell later! If he doesn’t receive his eternal life free gift from Jesus

[@1234567sophia]

@@am1089 We will all make it There is some time lapsing That s all

[@am1089]

@@1234567sophia don’t understand you. Please explain if you will

[@sinagh9292]

Great talk, would be even better if the camera man was not drunk.

[@artsmith103]

Sometimes trying to edit students out

[@dynamic9016]

Interesting information.

[@Leo-do4tu]

Congrats Sir🙏🙏

[@unperceivable446]

Universe never began, because it never existed. 😍 ❤️

[@tedbates1236]

They will do anything to escape a beginning and therefore a beginner to whom we must give an account.

[@Andres64B]

And you'll throw out any special pleading fallacy in order to get around your problem.

[@Andres64B]

@@rubiks6 It's where you claim that your invisible friend is eternal, but the universe can't be.

[@Andres64B]

@@rubiks6 Ff you'd like some actual ideas of what happened before the big bang, I suggest these videos. And guess what? None of them involved invisible friends. kzbin.info/aero/PLJ4zAUPI-qqqj2D8eSk7yoa4hnojoCR4m

[@Renato404]

@@rubiks6 lol, it's you against the world...

[@Andres64B]

@David Lotti That's where his special pleading argument comes in.

[@bashrox]

Really nice to see Einstein and Penrose discussing the important questions

[@2msvalkyrie529]

Yes. If he let his hair grow longer !

[@gaemlinsidoharthi]

“Is it acceleration or is the measurement or perception of time just slowing down with respect to some other measure of the passage of the sequence of events?” I recall a question something like this being posed many ๆ years ago. Now it seems that Prof. Penrose is saying something similar. The infinitely short time of our aeon was the infinitely long time of one that came before and the infinitely long time of ours will be the infinitely short of one to come.

[@enricartes2645]

I am astonished, this is a scientific approach very similar to the tibetan Buddhism understanding of the cosmos. No beginning, no end, but a sequence of eons. Interesting to listen a modern physicist talking about something that is explained in such an ancient teachings. What an interesting coincidence.

[@kencrotty3984]

This same idea also is evidenced in Richard Maurice Bucke's book, Cosmic Consciousness, in the mystical experiences of a couple of his respondents and implied in his own experience.

[@jona826]

So is he basically saying that once our current universe has aged to the point at which there are only photons left, dimensions become meaningless and it's therefore equivalent to a single point of infinite density just like at the start of the big bang?

[@craigcollings5568]

Yes.

[@-danR]

Not just dimensions but time. The space-time manifold only has meaning in the presence of mass-rest-mass to be precise. In the final heat-death of the universe, it has lost all means of spatial and temporal self-mensuration. The photons have relative wavelengths but only relative to each other. It is no longer big nor small, and clocks cease to tick; clocks cease to exist. It's like the pin-ball machine resets to zero and you start from scratch.

[@jona826]

@@-danR If the the universe in its final seconds is very cold, how come the big bang that follows is very hot? I am still not really understanding the transition from a photon-only heat-death universe in which dimensions and time cease to exist to the subsequent extremely hot big bang that follows.

[@caineblackknife2443]

@@jona826 Imagine the photon-only heat-death universe... now condense that down to the size of a marble. Now it's hot again!

[@aforementioned7177]

At the very end is the most profound statement. It explains where the structure for the BB came from in the first place.

[@thomasmusso1147]

Why, even though my little Grey Cells cannot expand quick enough to remotely encompass what he is saying, I find it absolutely fascinating listening?

[@cryptocoinkiwi8272]

When there are only photons left the universe loses track of how big it is.

[@leonarduxis12]

Elizabeth Queen: oh, no, they found my secret!!

[@Dubforlife.]

Did the universe begin? Love that question

[@reginaldwilders5068]

Wow.... This actually makes sense!

[@laraibali9126]

Fun fact: there was a bet between Sir hawking and sir Penrose about Cygnus x1 that it is a black hole in which sir Penrose won 😆

[@tinywillis]

Yeah hawking was never a great gambler 😂

[@laraibali9126]

😂😂

[@laraibali9126]

@@tinywillis u are right bro 😎

[@laraibali9126]

@Lisa Jordan but I think sir hawking made a huge contribution in solving black hole mysteries like Hawking radiation and etc(I love it when I am reading his book😘😘

[@laraibali9126]

@Lisa Jordan yeah u are right

[@meatsweatsland]

I hope to see CCC being proven correct while Roger's still as he is.

[@cookergronkberg]

That's not how science works...we can falsify hypotheses, but never prove a particular one is 'correct'.

[@marcosunt1206]

Make a lot of sense Well done

[@priyeshkv33]

Congratulations🎉🎉