The Nature of Space and Time | Brian Greene
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- เผยแพร่เมื่อ 28 เม.ย. 2024
- Recent results in the study of black holes and string theory suggest new perspectives on the nature of spacetime. In this talk, these advances will be explained and illustrated visually.
Brian Greene is a professor of physics and mathematics at Columbia University, and is recognized for a number of groundbreaking discoveries in his field of superstring theory. His books, The Elegant Universe, The Fabric of the Cosmos, and The Hidden Reality, have collectively spent 65 weeks on The New York Times bestseller list.
Join CFI and find out how we are protecting critical thought and science by visiting: centerforinquiry.org
This talk took place at the CSICon 2019 in Las Vegas on October 20, 2019.
I can listen to Professor Greene for hours, really.
and you are not alone !
Apart from everything else, I LOVE his voice. Something about pacing. Melodious, in waves.
@@ireneduncan863 He's lying about physics. Gravity AND ELECTROMAGNETISM/energy are linked AND BALANCED opposites, AS E=mc2 is F=ma; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. Gravity/acceleration involves BALANCED inertia/INERTIAL RESISTANCE, AS E=MC2 IS F=ma; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. A PHOTON may be placed at the center of what is the Sun (as A POINT, of course), AS the reduction of SPACE is offset by (or BALANCED with) the speed of light (c); AS E=MC2 IS F=MA; AS ELECTROMAGNETISM/energy is gravity. The stars AND PLANETS are POINTS in the night sky. The ultimate unification of physics/physical experience combines, BALANCES, AND INCLUDES opposites. E=mc2 IS F=ma. This necessarily represents, INVOLVES, AND DESCRIBES what is possible/potential AND actual IN BALANCE. Gravity IS ELECTROMAGNETISM/energy. GREAT !!! GRAVITATIONAL force/ENERGY IS proportional to (or BALANCED with/AS) inertia/INERTIAL RESISTANCE, AS ELECTROMAGNETISM/energy is gravity; AS E=mc2 is F=ma IN BALANCE. BALANCE and completeness go hand in hand. It ALL CLEARLY makes perfect sense.
By Frank DiMeglio
@@frankdimeglio8216 where’s your Nobel prize?
Greene, Carroll, Guth, Penrose, and Suskind talking together are cosmic jam for us physicists. I run them in the background when I am cooking
Why can I listen to Brian Greene for hours and hours and never get tired of it?
I've been doing that since i first saw him on Startalk 3 years ago. He's absolutely phenomenal
A phenomenal speaker on a phenomenal topic.
World Science Festival has a 11h masterclass youtube video presented by Brian Greene ahaha. It's cool.
WEIRDO
HUGE intellectual win for me tonight. For 20 or so years I have been trying to fully understand black holes--and I mean really understand the minutia of their genesis and existence. Tonight, I found a lecture which included a most amazing video graphic that opened the door and allowed me to truly comprehend what black holes are. Further, it clarified the idea of the fabric of space, and clued me in on the missing concepts I have had in understanding both gravity and quantum entangled. I feel like I won a million bucks. I learned more tonight than I did in a physics class at university. I shouted out loud when I had my "Eureka" moment watching this and probably woke my neighbors. It's been an exciting journey!! Dr. Brian Greene has been a favorite of mine, and once again he demonstrated why that is, in his latest lecture. Dr. Greene please come to NYC for a lecture.
If space is a fabric then it must to be HEXAGONAL SHAPE not squere as they put it hire. cause space is HEXAGONAL CONE SHAPPED as SNOW FLAKES are as well you can see how they are jointed electromagneticly speaking.
If you want more on black holes, read Kip Thorne's book, it is old but amazing.
He is good, isn't he! However, I still do not think that any theory completely explains or truely understands Black Holes or describes what happens as our current laws break down in the centre of these amazing phenomena! Perhaps our understanding of gravity, currently GR, is not a complete understanding and there is more to the story, yet to be uncovered?
Come to NYC for a lecture?!? He lives and works in NYC!
@@stevebrindle1724 That's exactly what he just said. Also, in every branch of Physics, and for all of science in general, there is always more to learn. It only takes a few questions before the answer becomes, "we don't know fully yet, and research is ongoing".
TH-cam at it's best - Sean Carroll and Brian Green lectures.
At this point I'm on a binge...I've been watching his lectures for hours! The gravitational waves story always gives me goosebumps
Lucid and incisive Brian Greene once again demonstrates that he is an amazing lecturer and teacher. Well done.
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Love his books, reading one of his older ones right now.
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Brilliant lecturer! Just finished reading Prof. Greene's recent book: "Until The End Of Time"! One of the best books that I have read in a long time. Pick it up, you won't be sorry....👍👍
Agree but a very challenging read it’s completely contemporary look at current science Les Jankey
Read the elegant universe too mate, really great book going into einstein's work, and the search for a unifying field theory using string theory etc, it's a great read 👌
I'm on the line 2🤘 He's a brilliant Scientist, and Lecturer 🙏
Brian Greene as an atheist is clueless. Even his brother correctly believes in reincarnation.
See 7seals.blogspot.com - only the returned Christ & Einstein reincarnated could produce that.
"The elegant universe" is amazing too.
I'm a (semi-retired) university professor of psychology with a passion for physics that was first instilled in me several years ago by Brian Greene. I could listen to this brilliant man for hours (and I actually do). He has an amazing ability to impart sophisticated knowledge in a meaningful, intuitive fashion. Thank you Dr. Greene and others like you such as Drs. Sean Carroll and Lawrence Kraus. You make science come alive for millions of people.
Dr. Brian Greene could easily have written a book just with this talk alone!
My God! The arrow of time seems to have caught up with Brian; he is looking so old. But the brains, excitement and clarity in delivering the message is still perfection! Thank you Brian!!!
Its just the hair. Guys good as new
@@alvaroxex Também percebi a flecha do tempo acertando Brian, ela acerta a todos (all of us) in fact
I think he looks good gray. Something else: I think he has been receiving speech therapy. He used to have a very noticeable lisp. Check out some of his older vids. I can just barely detect it now. Good for him. This is the best lecture I have ever heard from him.
@@ronniechilds2002 what this is the best? Or maybe you haven't seen more lecture of him?
If he has his hair painted black he looks young again lol. I guess he sleeps too little and think too much.
Outstanding lecture! Prof. Green presents some one of the most complex issues of modern physics in a clear and simple way which makes it accessible to everybody. This is an eye opener.
Beautifully explained in simple words... go greene
Great lecture! Prof. Green is such a great speaker!
Yes Brian and Sean Carroll are my two favourite science speakers (lucky enough to see Sean in London last month)
Science rocks
For real tho, he cute too
Yeah he just makes everything so much simpler.
prof green is a rapper, this is prof Greene
Enter the Bragn’ just because you don’t understand it does not make it non sense my man!😉
The content of the last couple of minutes of this lecture is enough to give me goosebumps.
You got that right. I had to check my heart rate when the animation showed the entangled connections correlating to the space compression.
@@justice576 Imagine Einstein's feeling when his early calculations worked, when one is actually doing it for the first time in human history.
It made me physically sick. Do you realize how much work I have ahead of me to integrate these notions? It's not like any thinking person can turn their back on them; the universe is an extremely simple place but that doesn't mean it's extremely _obvious..._ I have been wondering for months if Heisenbergian Uncertainty is the flip side of Entanglement, and now this clue pops up... _irreducible uncertainty_ and spooky remote _TOTAL certainty_ seem to imply that there is a conservation principle at work...
@@craigwall9536 you can talk with me.. I can give some bits of knowledge from quranic sciences
@@quranicsciences5542 Can you built an atomic bomb?
Wish that I had teachers this great when I was in school.
Brian Greene as an atheist is clueless. Even his brother correctly believes in reincarnation.
See 7seals.blogspot.com - only the returned Christ & Einstein reincarnated could produce that.
Brian Greene is truly amazing at communicating science. He has an uncanny knack of explaining complex things.
You, Brian Greene, are a gifted teacher.What a gift you are. thanks. Please do NOT stop. Keep teaching.
Absolutely amazing. Love Brian and his books. These lectures really make you think. They also allow people not professionally in the field to have an idea of what's going on, and maybe come up with concepts of their own. Either way, beneficial to the science community. To me, this is the most interesting thing in our lifetime, as of now. :)
Such a great sense of humor! So grateful to have his lectures for free
Love his initial set up. (Paraphrased) "New ideas that are often ridiculed at first, later become accepted as obvious. In the face of new ideas, it's important to remember you may not yet have the architecture to judge it correctly." That thought in an of itself can be used all throughout our everyday lives, you know? Thank you, once again, Brian Greene for a thoroughly interesting presentation.
I am not a scientist but I am interested on how Space and Time work. I am amazed with how Prof. Green's explains things and how he makes them interesting
I do agree that he's a great speaker, the thing is that it's not that he makes things interesting, but they're that way in reality.
No one can love what they do not know, though this be interesting. A true teacher know how to show us the things’ importance. Dr. Brian Greene knows and explains for everyone. And also passionately. I love it.
Especially the last part is mind-boggling. I began to get acquainted with Brian Greene's ideas in the early 2000s, and I'm glad to see that 20 years later, he still shows the same enthusiasm and still is full of weird but fascinating and possibly even feasible ideas. That's what I call an out-of-the-box thinker.
They're not his ideas.
What a crazy universe we live in. I guess Douglas Adams got it right:
"There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.
There is another theory which states that this has already happened."
Stefan Hensel that’s awesome
Answer is 49 - OMG my room is imploding !😉
Stefan Hensel , Any theory however advanced it may seem can never go further than the understanding of a human mind. I also wonder if we are not discovering what we already know. When I remember my childhood I ask myself: Am I the same as I was? but... if my mind couldn’t remember... so... What is all we see?
@@jaimel2037 42 ;)
Beautifully explained in simple words... go greene
Wow, this is one of those lectures that answer exactly the questions you have, not in some abstract way, but exactly how you wanted and needed to hear them. Same goes for another I just watched - Sean Carrol at the Royal Institute discussing quantum mechanics, highly recommend!
I am now watching all talks given by this man. He is Amazing!
I wish he was my dad lmao
I wish I had teachers like this when I was in school. I might have studied science
He is good physist and good teacher
Amazing lecture. Always learn something new from this man. Blew my mind in the end.
He's a GREAT teacher... maybe the best I have ever seen!
Imagine if we could clone him and he could teach everyone everything... maybe we should clone him with AI? haha
God has said in the Quran; " And they urge you to hasten the punishment. But Allah will never fail in His promise. And indeed, a day with your Lord is like a thousand years of those which you count." (Quran, surah 22; ayat 47)
Brian Greene as an atheist is clueless. Even his brother correctly believes in reincarnation.
See 7seals.blogspot.com - only the returned Christ & Einstein reincarnated could produce that.
I've rarely listen for more than 20 minutes......this was an awesome lecture. 58 mins 15 secs. Thank you Brian Greene!
An amazing lecture, Professor Brian Greene's style of presentation captures the mind to follow every detail. From curved spacetime to hologram to wormhole to quantum entanglement, made accessible by this brilliant, well equipped and well versed professor.
Nice talk, great presentation even for a lay person.
What a crazy universe we live in. I guess Douglas Adams got it right:
"There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.
There is another theory which states that this has already happened."
The really important question is: Why hasn’t this got 1m views?
people are slow to entangle
@@scottdenham1795 And that, kids, is what we call "physical humor".
Because science is still working on whether there is intelligent life.
on earth
Because less than 1mil people have viewed this video.
Because people are busy watching reality TV. Sad I know.
the most elegant & eloquent educator/science communicator of his own "elegant universe" ❤ (of my generation)
if you don't love Brian Greene, you got to check if your mind has lost its way down the ever narrowing tube of spacetime inside a black hole 🤷
How awesome would a lecture tour by Brian and Sean Carroll be!? Tour de force!🙏
The last few minutes blew my mind...
21:08 - the eye of Sauron : D awesome talk.
what a fabulous lecture by Prof Green, it must be shown to all students in schools and colleges.
I've seen 3 videos of mr. Greene as of yet, and I'll miss him when he's no more with me/us. I wish he's on the better side in both worlds. Love you Greene.
do you have some insight into something? He's only 58!
Wow,... What a great lecture. I feel SO fortunate to live in the era I do,.We truly walk on the shoulders of giants,... *: )*
@B OWEN No,.. not a dime,.. I use AdBlock,...😁
Advocate For A TYT Canada , Mine is sunlight and I love any era in which every men can rise their heads to look the sky.
Brian I like the fact that you orate without having to finger-steeple all the time. Sometimes you put your hands in your pockets, very real. Good job.
My favourite lecturer! Amazing clarity.
That was truly a mind blowing lecture on physics of black holes and the best part was the ending. What a climax with entanglement and worm hole!
I am on 48:08 and pause it just to get some breathin. Astonishing, clear and beautiful. Thanks Brian for making the enormous almost understandable.
Brian, you concluded by thanking the audience, as a matter of fact them and us should be thanking you and all those great searchers of the universe for the effort exerted to know. THANK YOU
one of my favorite science speaker professor Greene.
Listening to him is never boring.I knew about quantum entanglement but how it it is related to black holes blew my mind
I love learning from Brian Greene. It is amazing how much Einstein forwarded our understanding even though he sometimes did not believe his own findings.
Can you imagine if he comes back today...i believe he would be disappointed.
@@amdemichaeldessalegn801
Why
@@goyonman9655
; still, we stick to his theory instead of a better one.
@@shancg1
You are sooo ignorant
Excellent, thank you very much.
one of the best lecture from Brian. Thank you.
Now I hate my subject after watching this lecture. What phenomenal science physics is. Thank you Professor Brian Greene
So smart...and so funny too. Love that he laughs at himself!
Mind = Blown....Between this and Multiverse Theory I'm getting a little giddy.
This is one of my favorite lectures ever.
52:17 Subtle right-hand rule gesture to remember which spin is up and which is down.
Good, good, good....last 5 minutes...uhhhhh what?! I need to watch a longer explanation of the 2D/3D hologram concepts he talked about. Amazing.
yeah, he should have mentioned how an observer would never see his wallet go over the event horizon as time slows down the closer it gets. so the wallets information would stick around on the surface. still a weird thing to imagin.
I love watching brian greene. I love his teaching style, i love how he enjoys making his audience laugh, just seems like a great guy
I love how he has no annoying verbal tics like starting every sentence with "so" or interjecting "right?" or "you know"... instead he's actually a pleasure to listen to for a full lecture period...
@@craigwall9536 exactly. It’s so rare to see someone who actually fully understands the content and is charismatic and eloquent enough to present them like Brian can
His use of high rhetoric while lecturing is what attracts everyone.There's many but he is exceptional in terms of spreading science to the mass..
If the galaxies are moving away from the Earth/Milky Way, does that mean we are standing still or moving in the opposite direction??
Very powerful powerful presentation. I couldn't wait to get to the closing part and it did not fail.
World science festival about time and now this? Good times!
I hope it's not the guy in the wheelchair again. He takes up more time than the entire panel he's busy interrupting.
Very nice! really enjoyed! That was a wonderful speach dr Greene, keeping the best to the end... I like the "reverse way" trick to get into a conclusion and although i didn't quite get it,it certainly made me want to explore further...thank you again!
🧡💛💚💙 "In this picture we have a sphere"
WHOA, WHOA, SLOW DOWN EINSTEIN
🧡💛💚💙
I admire Brian Greene 10 to the power 10
Amazing way of explaining complex things 👍
Always a great lecture by Brian Greene.
As a lay person, I think I followed everything in the video up until the last six minutes. 😂
Because its just theory that smart people make up Because normal things bore them... they are just concepts he says that himself.
You just need to watch it more than once, and go do some background work in between viewings. You can get it eventually.
If this was a meme, literally any meme, it would get millions of views and 100 of thousands of likes.
You’re right. It is a pity this world of ours.
I value intelligent and humble people. Dr. Green is one of the few scientists I enjoy listening to.
What an astonishing lecture and lecturer. Thank you Professor Greene!
Sometimes I begin to suspect that "The Chronicles of Narnia" got something deeply right about metaphysics lol
what an exceptional physicist....just completed his phenomenal book-The Elegant Universe
Great lecture. Prof. Green is such s wonderful teacher also.
Such a pleasure to listen to prof. Greene
It fills me with awe and reverence for SCIENCE and SCIENTISTS. It concurrently fills me with loathing for their polar opposites, the religtards and repubtards.
The brilliant gravitational waves description is suspiciously close to that in How To Build A Universe. But I can’t think of anyone better to tell the tale.
Thank you so much for this great and entertaining lecture. Amazing.
An incredible lecture and the ending left me in owe and I had to watch it a few times and now stuck thinking of so many possibilities
I am an old electrician but this guy is a bit amazing
God has said in the Quran; " And they urge you to hasten the punishment. But Allah will never fail in His promise. And indeed, a day with your Lord is like a thousand years of those which you count." (Quran, surah 22; ayat 47)
This man is an amazing communicator
Brian Geene is the best scientific communicator
One of the most amazing lecture i have ever seen
Here's all I want out of this: You get me the plans for a 2-D suitcase that will hold 3-D objects and we'll talk.
Forgive me Don, but I believe he just did.....
Will you settle for a tattoo?
My monkey brain is having trouble grasping this. I think one of my maladaptive Neanderthal genes got turned on somewhere along the way. I'll just smile and nod my head, maybe no one will notice.
Well, there is certainly some brisk disagreement about the essence of our apparent universe/space-time. Since you're listening to BG, here, you're probably aware of dissenting interpretations and neither of us grunting, smashing apes (not monkeys) should imagine ourselves competent to understand or interpret the evidence.
Tyrander165 it’s always worked for me!!
Outstanding. When you can explain this stuff to an old bricklayer so that I understand, then you got one hell of a lecture.
What a great pleasure, thanks so much Brian Greene.
'Skepticism is an art and not an algorithm', I'm bit skeptical of this idea.
The last part is new for me 😂
I think just for everyone!
this is actually amazing
Thank you Mr. Greene.
Very good presentation! However at 37:15 Brian Greene says "It [the gravitational wave from merging black holes] starts to spread out in all directions [...]". But is that correct? Afaik the amplitude of a gravitational wave decreases linearly with distance, so I would expect it to travel in a disc that's perpendicular to the axis of rotation between the black holes. If it spreads out like a sphere instead (in all directions), shouldn't it get weaker quadratically?
Helgefan I wondered the same thing myself.
8:48 300,000,000 mt/hr? Well, even he can make a mistake. Great lecture though, must be amazing to be in a place like that with people of like minds, people with whom you can actually talk about these subjects without them giving you weird looks.
It's so saddening to see Brian age. Just before this video I was watching a video from Ted-Ed some 7 years ago where he looked so much younger.
Don't be saddened by inevitability. His mind and lectures and books are timeless, and he will be with us until we are no more.
He's maturing 😂
It's so sad to see you age
@@jeffdunlap2754 lmao
How nice your comment, Brokenladder. I love it. However, it does not seem to me that he is old, because he is already a certain age. He is a very handsome man. And I’m not his mother!
Interesting ideas in the end. I hope they are included in his new book because I'm curious to learn more about the connection between wormholes, holograms and entanglement.
Sean Carroll speaks of similar things in his new book "Something Deeply Hidden".
@@Raptorel Thanks for sharing. I'll check it out.
jump to my channel.
29 flat earthers disliked this video.
That's very binary of you. I didn't vote to dislike this video, but I'm skeptical when somebody gets that true believer smile on his face
and talks about scientific theory that hasn't been proved. Halograms? That's a theory without proof. We see that in the string theory talkers.
Waiting for proof. The theory that the earth is round was laughable until Magellan's crew sailed back into port. And the black hole theory
was just a theory until they could observe the orbits of stars at the center of the galaxy. So, I'm waiting, because just because there is
a theory, and it makes sense on paper, does not mean it's real. Some scientists think the galaxies are connected by electric forces.
I'm waiting for the proof. I dislike belief. The last 2 people I want to hear belief talk from, is politicians and scientists. The scientists
should know better. People want to believe, especially if it's told by a skilled speaker. See the responses to this video for some of that action.
@@mu99ins It was a joke, you must be new around these parts of TH-cam.
I expected this answer, as I've received it before in under a political video. They posted up with,
"The 3 people who voted this video down work at CNN" My rap was that I didn't like it for several reasons, which I laid out in a clear manner. And his response was, it was just a joke. No. Your response is a statement that only kooks would vote down this video, and it's simply not the case. Green is selling this theory, which he might believe in, but I don't like belief....also, he might be selling his book. He's a good salesman.
@@mu99ins You want my advice? Don't take life too seriously, especially the cesspool that is known as the TH-cam comments section. It's a time waster if you get caught up in it and it's not worth the stress. If you want to take my joke as something more than it really is that's on you. Your problems are only as big as you make them out to be. Try to have a great rest of your day/night (wherever you're from).
03chrisv - Thank you for your advice. I am from a century where criticism wasn't put down as being "too serious". We developed a tough hide
and were expecting criticism, knowing that people have difference of opinion. In this century, when criticism occurs, people think it is an emergency
of some sort, and feel the need to circle the wagons, as if they are being bullied. I think it's stemming from the schooling, where conformity was
stressed somehow. People value conforming to the group over discussion involving differences of opinion. When you post on the net, you should expect
difference of opinion. If you disagree with something, tell us how or why you disagree. To defend a statement that is under criticism as 'just a joke',
that may or may not be valid. In this case, the so-called joke sent the message that any disagreement would have to be kooky flat earth types.
And when I'm told to try not to be serious, what is taking place is I'm being told that criticism or difference of opinion is invalid.
Now Brian is becoming old day by day. 2 years ago, he was young. And now he has become old.
Exactly. He is looking very old
@@kidsundance9021 ok......😊👍
What to do with traveling in plane and aging
@@dilipdas5777 Inwas wrong
@@kidsundance9021 what? What wrong?
Best visual explanation of Gravity, thus far... thank you
I love the term, “snap out of the haze”, it’s endearing for describing something so complex as decoherence. :)
Always the same old kind-of wrong stuff. We need to start talking more about quantum gravity already (the stuff he mentions at the very end). Things come out very differently in that research. Like, dark matter even goes away, being revealed as an artifact of a non-quantum description of gravity.
Why doesn't this guy run for president??
Because it's against the laws of Physics? :-)
Because Americans wouldn't trust his 'science' over Trump or their imagined 'God'
Daniel72 He appreciates honesty too much for that.
Because then he couldn’t be prime minister over here in the UK
The title should be changed to include some mention of black holes, since THAT is the actual topic of the talk. That said, I just finished "Einstein's Monsters: The Life and Times of Black Holes," by Chris Impey a few days ago and, sadly, most of it went right over my head. This talk, with its amazing graphics, filled in most of the gaps. Brilliant!
What a brilliantly smart man.....I am taking it in, like a sponge. Thanks professor Green. ( bowing head in admiration)
Greene
That Mueller report joke, lmao.
Newton, Einstein, Greene.
Einstein and Greene ♡♡♡♡
Hawking?
Dayum. Big talk
bill nye the science guy too
please... this is so ignorant
Sad to see him grow old... The world needs more Brian Greene