Brian Greene and Adam Riess: The Accelerating Universe

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  • čas přidán 5. 06. 2024
  • Nobel Laureate and physicist Adam Riess and Brian Greene discuss the paradigm-shattering discovery that the expansion of the universe is accelerating, the role of dark energy, and more.
    This program is part of the Big Ideas series, supported by the John Templeton Foundation.
    Live Sessions are conversations hosted by Brian Greene with world-renowned scientists, including World Science U faculty exploring matter, mind, and the cosmos.
    Official Site: www.worldsciencefestival.com/
    Twitter: / worldscifest
    Facebook: / worldscience. .
    Instagram: / worldscifest
    #science #WorldScienceFestival
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Komentáře • 747

  • @smoogems
    @smoogems Před 3 lety +49

    Uncle Brian's bedtime stories are the best.

  • @ricardodelzealandia6290
    @ricardodelzealandia6290 Před 3 lety +31

    Every time I see Brian with this background, I want to go and live out in the country.

    • @dustman96
      @dustman96 Před 3 lety +2

      I keep looking at the background, it's beautiful. Is that a green screen?

    • @ccarson
      @ccarson Před 3 lety

      @@dustman96 In early Q & As it's the real view outside his 'barn' window. But I think since he has started to use video illustrations he is using a green screen.

    • @Rajansippy1
      @Rajansippy1 Před 3 lety +1

      It's green screen with terrible video editing

    • @timewalker6654
      @timewalker6654 Před 3 lety +2

      @@dustman96 used to be real, but its green-screen since last two live sessions.

    • @HowardBaileyMusic
      @HowardBaileyMusic Před 3 lety

      @@timewalker6654 He doesn't want us to see his barn that's in desperate need of a pressure wash LOL (the REAL Green screen)

  • @floatingshoppinglist5193
    @floatingshoppinglist5193 Před 9 měsíci +9

    I'm glad to express myself as a musician during this current tine period of pain and suffering with a pinch of curiosity. Peace and Love to EVERYONE ❤☮

  • @Samael-Metzger
    @Samael-Metzger Před 9 měsíci +23

    Simply admirable for Brian Greene to give of himself for such a worthwhile program. Much appreciation and my greatest respect.

    • @chrisbennett6260
      @chrisbennett6260 Před 8 měsíci

      brian green .consciousness is an illusion ,that being the case so are his theories ,and believes must be equally illusory

    • @walshamite
      @walshamite Před 3 měsíci

      @@chrisbennett6260 The nature of consciousness may be other than it "feels" to us, but that us not to say it's an illusion (in the sense we generally use that term) ... consciousness appears to be a generated reality of the brain (mind) that is partly created by the senses, but exists even in those born deaf and blind, and it apparently ends when we die, but hey, who knows? The idea that consciousness is a wider function of matter and the universe is not disproved.

    • @chrisbennett6260
      @chrisbennett6260 Před 3 měsíci

      @@walshamite
      Brian Green is full of it and i mean full of it
      if its an illusion so are his danm beliefs and conceptions also
      Green or you can say what the hell you want
      whatever man

    • @danielpaulson8838
      @danielpaulson8838 Před 17 dny

      @@chrisbennett6260You told us all about you

    • @chrisbennett6260
      @chrisbennett6260 Před 17 dny

      @@danielpaulson8838 cut your crap nonsense

  • @millennialfalcon1547
    @millennialfalcon1547 Před rokem +5

    Dr. Greene, it's so refreshing to hear you speak openly and authentically about the limitations, inconsistencies, and current problems with the standard model of cosmology. It does not mean you're against the same standard model. It means you're upholding to true Spirit of scientific inquiry and culture which must never be afraid to ask the hard uncomfortable questions and admit where and when we do not know the answers.
    I happen to think that this lack of openness is precisely what has alienated the popular culture from modern scientific theory.

  • @alicepaul6276
    @alicepaul6276 Před 19 dny +1

    It is amazingly stimulating to watch / listen to your World Science Festival episodes!

  • @stjut
    @stjut Před 3 lety +9

    Enjoyed watching the recording. So interesting and enlightening. Thank's Stu.

  • @stephenjones796
    @stephenjones796 Před 3 lety +23

    Dr. Greene, just a great 3 hours. Dialogue with Adam Reiss was education as well as a great mind exercise. You are so very VALUABLE to many many for some sanity and reality and it’s beauty and shortcomings. Thanks again

  • @jdperson7922
    @jdperson7922 Před 3 lety +3

    I'd read your novel in a heartbeat. In fact, I'd be up for a series!

  • @jonathaneves5847
    @jonathaneves5847 Před 3 lety +2

    Hi Brian. Greetings from Liverpool 🇬🇧. Fascinating show as usual. How little we know! ✌️🐝 Now back to your show.

  • @jessicaknapp1211
    @jessicaknapp1211 Před 11 měsíci +7

    Brian Greene I am ridiculously late finding this awesome video of yours, but id absolutely read that possible future, (maybe current?) book of yours. sounds amazing! Thanks so much for all the enlightening amazing info you have shared.

  • @infinitel00p94
    @infinitel00p94 Před rokem +8

    LOVE your book Brian! please keep doing these podcasts

  • @rubhan94
    @rubhan94 Před 3 lety +2

    I like watching livestreams as I come by them. The time zone difference makes it hard to catch livestreams in America, but sometimes I just prefer watching them later. I really enjoyed this video btw!

  • @heatherj5033
    @heatherj5033 Před 3 lety

    Filling my mind full of knowledge that I can't even comprehend! Totally wish my mind worked like this! Fascinating!

    • @grantf6687
      @grantf6687 Před 10 měsíci

      Don't worry he doesn't comprehend what he's saying either. It's all a part of the materialist act. He has no idea how anything in reality works at all and is very confused. Facts
      The things he's talking about don't need to be comprehended most of the time. And when they do it's only because he's so far from the truth.
      This is why science is become like a religion. Following fools liek this guy who thinks he's smart.
      Without consciousness your intelligence can go in the toilet as far as im concerned.

  • @RobLarkins
    @RobLarkins Před rokem +8

    I watch live every chance I can which isn’t as often as I might like, but I’ve never missed an episode. I usually watch each ep at least 5 times. Some even more.

  • @marylunney3483
    @marylunney3483 Před 2 lety +5

    Brian Green: Fab as always in his flexible creative and respectful discourse and his inspiration to others

  • @kagannasuhbeyoglu
    @kagannasuhbeyoglu Před 3 lety +1

    Thanks a lot WSF + WSU :)
    Great video👍

  • @silvershadow013
    @silvershadow013 Před 3 lety

    I'm hoping the new time slot will be later in the day or a weekend only because I will be going back to work during the day. I do watch afterward if I miss it, but really enjoy the live sessions. Be well.

  • @RealDonfromBroward
    @RealDonfromBroward Před 4 měsíci

    Truly appreciate this video. All of it. Thanks.

  • @MrRatboy69
    @MrRatboy69 Před 3 lety +1

    Thanks for all you do!

  • @nicholasperry2380
    @nicholasperry2380 Před 4 měsíci

    £ years on and at 1M views so yeah, I think it's well worth your time in the long run. I've just ordered your book too. Thanks to you both for taking the time to share your knowledge. I can't imagine how much your time is worth but I am truly grateful. Thank You.

  • @5nwCr45h
    @5nwCr45h Před rokem +1

    There are no words for what you are doing here. This is an exceptional interview and discussion on consciousness and love. Please introduce a full 'soup-to-nuts' World Science U course on Quantum Mechanics! It would represent your magnum opus for the inspiration it will provide for future Newton's and Einstein's and the advancement of science, mathematics, and humankind. There are no words for what you have and are providing here-effectively real-time discussions with Einstein and Newton . And yes, turn "Icarus at the Edge of Time" into a 'full-fledged book' and learning website!

  • @mikaelkaris9273
    @mikaelkaris9273 Před 10 měsíci

    Im just average joe from Finland 🇫🇮.
    53 years, I am in methadone treatment cause I m addict. I shouldn't understand anything about fysics, cause I have heavy machinery education behind me from years 1986-1988. I am ok mechanic, but I have constant thirst for knowledge.
    And as Finnish, English is my third language, so one more curveball to me learning from your lectures. But I do learn, amazing. Thank you Brian for bringing science to ordinary people and explaining things ,,,,hhm,, the way they are easiest to understand even someone who is not fysisist. About your math formulas I dont understand anything, but in many levels I learn a lot.
    Thanks also for WSF, that way anybody can learn lot if only one wants to.
    For my part, I live in Finland and we have great education system, and over all we are at age 15 same level than US students at age 17-18,
    Thanks mr Green for everything you have done to science.
    Mikael from Finland 🇫🇮

  • @dwayneduval6785
    @dwayneduval6785 Před 3 lety +3

    This episode was great.

  • @Necrozene
    @Necrozene Před 4 měsíci +1

    I am very pleased that I reserved time to come back to Brian Greene. I was on a Susskind/Penrose trip for years, now this is delightful after-dinner conversation. Loving it fully.

  • @RobLarkins
    @RobLarkins Před měsícem

    What a compelling guest and some fantastic questions. This ep was so good!

  • @joshfredr7846
    @joshfredr7846 Před 3 lety +10

    Dr. Brain Greene is such an interesting and fascinating speaker. I love listening to anything he has to say.

  • @1teaseup
    @1teaseup Před 3 lety +3

    I've so enjoyed. Relevant especially when it's needed most by individuals.

  • @johnp1
    @johnp1 Před 3 lety +10

    Dr. Greene, thanks again for a great session. Answering your questions: It's a good idea to have a guess from time to time. I'd love to see a full course on quantum mechanics. Live session on Thursdays is good.

    • @JamesEIvoryIII
      @JamesEIvoryIII Před rokem

      My “guess” is that your idea would enhance what is a baseline, wonderful experience. I think that Brian is a fantastic host, adding a guest, in my view, is a force multiplier- fantastic^2 🥂😎🤵🙇‍♂️
      0030 hr.s CST
      Regards,
      -J

    • @JamesEIvoryIII
      @JamesEIvoryIII Před rokem

      @@Bibibosh 🤣 (a sandwich 🥪 in Planck-time at a Planck-length upon the Wavefunction collapse lest the potential banana split emerges, adding to my newly emerging corpulence).😂😉🐬

    • @grantf6687
      @grantf6687 Před 10 měsíci

      I'd LOVE to have a debate with him on quantum anything.

    • @grantf6687
      @grantf6687 Před 10 měsíci

      @@Bibibosh well it's not but you can't have morons trying descrive how reality works and the universe, when they really have no fucking idea wahtsoever and just pulling shit out their ass. Consciousness is only understood from a spiritual persons experience.

    • @ronaldgreene5733
      @ronaldgreene5733 Před 3 měsíci

      Should chemistry be denied in the ready conversion of H1 to H2 merely because H2 is difficult to detect in any direct manner in space? A paper by Canadian astronomer Paul Marmet essentially collapsed the "Big Bang" back in 1990 as he theorized the existence of intergalactic and interstellar matter as the cause of redshift rather than a doppler effect -- and accounting for anomalies much more effectively, before the discovery of the abundance of H2 throughout space, though primarily ignored by the necessities of money and career support. An abundance of H2 throughout space in a gradient that will extend to meet that of our galactic neighbor, will also account for the gravitational anomaly where the outer arms of our galaxy rotate at nearly the same rate as the central region. Quantum physics is great, dare I say so before I have dived into the math. However math hasn't actually proven the existence of dark matter, no matter how sophisticated the math is or can be. Circular reasoning isn't somehow justified if you add decades of career building and funding requirements and the consensus building that takes place over time that takes on more precedence than any math in support . .
      A much greater quantity of H2 in the presence of H1 is the natural result if we acknowledge basic chemistry, exceeding the mass of the visible component of the universe and which must be ignored to maintain control over the narrative and our inability to think and take a risk without group oriented behavior and identification in support.

  • @pinataparty
    @pinataparty Před rokem +1

    Best channel ever!?! great vid!

  • @tadeth
    @tadeth Před 3 měsíci

    It’s good to listen to a legendary person of honor who lived through Albert Einstein, and mentored his scientific achievements as a student of geniuses such as Paul Dirac. Amazing!!

  • @garytoller9423
    @garytoller9423 Před 3 lety +3

    Belatedly found and enjoyed these 3 hours. Question!- Did the annihilation of matter and antimatter have any significant affect on the properties of the early universe?

  • @sirvapalot
    @sirvapalot Před 3 lety +1

    you may be a mere mortal Brian but i appreciate your mission to educate the public about science, i may have trouble understanding some of what you talk about, but i really enjoy science content on youtube.

    • @grantf6687
      @grantf6687 Před 10 měsíci

      the only reason you cant understand things he says is because he doesnt understand and he's WRONG, and he's just using words to sound intelligent and all of you must be fools to think he's wise. Wisdom is exactly what he's lacking.

  • @oneshot2028
    @oneshot2028 Před 3 lety +3

    1:45:56 - Great point. Thanks for telling this. This is one of the most misunderstood things in physics. Most people think observer means a sentient being.

  • @RichardFranksricktheslickster

    Hello Mr. Green, I just wanted to comment on how cool this is to be able to share time with a great particle physicist (I think that is your field of study) such as yourself. I would have never thought I could get so close to you to where it would be possible you may answer I question I may have. Thank you for your time and effort.

    • @murlidharkhatkale5208
      @murlidharkhatkale5208 Před rokem +1

      Ira is

    • @QuaaludeCharlie
      @QuaaludeCharlie Před rokem

      The bible says nothing about movement because the Earth doesn't move, revolve or rotate.
      It's perfectly still.
      We inhabit a motionless realm covered by an impenetrable dome.
      We use gas pressure to debunk space that directly represents the heliocentric model.
      Space is a direct violation of the 2nd law of thermodynamics.
      Using science to disprove the heliocentric model is the best way to get people to learn the truth.

    • @callumprewer9574
      @callumprewer9574 Před 10 měsíci

      ​@murlidharkhatkale5208

    • @ronaldgreene5733
      @ronaldgreene5733 Před 3 měsíci

      Should chemistry be denied in the ready conversion of H1 to H2 merely because H2 is difficult to detect in any direct manner in space? A paper by Canadian astronomer Paul Marmet essentially collapsed the "Big Bang" back in 1990 as he theorized the existence of intergalactic and interstellar matter as the cause of redshift rather than a doppler effect -- and accounting for anomalies much more effectively, before the discovery of the abundance of H2 throughout space, though primarily ignored by the necessities of money and career support. An abundance of H2 throughout space in a gradient that will extend to meet that of our galactic neighbor, will also account for the gravitational anomaly where the outer arms of our galaxy rotate at nearly the same rate as the central region. Quantum physics is great, dare I say so before I have dived into the math. However math hasn't actually proven the existence of dark matter, no matter how sophisticated the math is or can be. Circular reasoning isn't somehow justified if you add decades of career building and funding requirements and the consensus building that takes place over time that takes on more precedence than any math in support . .
      A much greater quantity of H2 in the presence of H1 is the natural result if we acknowledge basic chemistry, exceeding the mass of the visible component of the universe and which must be ignored to maintain control over the narrative and our inability to think and take a risk without group oriented behavior and identification in support.

  • @miguelfuentes6956
    @miguelfuentes6956 Před 3 lety +1

    Hi Brian, Miguel again, from Puebla :D Happy to see you again!!

  • @isonlynameleft
    @isonlynameleft Před 6 měsíci

    I love this channel but CZcams wants me to listen to this same episode five times a week!

  • @rozbrkit4985
    @rozbrkit4985 Před rokem

    REGARDING your camera focus issue: a simple tip would be to do this before you begin:> You set the focus of the camera to a point behind you by a foot or so or in this case in your video here, to the winow frame behind you, this ought to bring everything in front of that focus point into focus that will/should look clear at all times. if you have focused the camera at a focus point that is in front of you, or even your chair, you may find you will move in or out of focus. this is a basic rule with video cameras, especially in interview settings. therefore allowing for full gesturing & Fidgiting to stay in focus. This minimal preperation is something you should check everytime you sit to record and transmit live or record streams. Now chances are you already found this "Tip" out since this broadcast? As i stumbled upon this live stream two years after you posted it on you tube, which by the way was excellent. if not i wonder if you will find this info i offer. do you have notifications active on your old broadcasts? eitherway i will probably never know. n'er mind. hope you figure it out, or you've been told already.

  • @bikashthapa7316
    @bikashthapa7316 Před 3 lety

    always love to hear from you

  • @colbynye5995
    @colbynye5995 Před 3 lety +5

    This was fantastic! Thank you both for sharing!

  • @center__mass
    @center__mass Před 3 měsíci

    Brian sharing his time is the one thing I miss about covid

  • @user-hy3fo2tk3f
    @user-hy3fo2tk3f Před 4 měsíci

    Interesting to have the fortitude to stick with it at the time, congratulations!

  • @dr.lairdwhitehillsfunwitha67

    Thanks. Very interesting. And useful. If only I was teaching a live class now.

  • @dntdenyitcolombia6910
    @dntdenyitcolombia6910 Před 3 lety +2

    So informative wisdom is music to my ears. Thank you so much for this enrichment

    • @grantf6687
      @grantf6687 Před 10 měsíci

      LOL. yeah no
      Off to church for you

  • @kusumkantasaxena5440
    @kusumkantasaxena5440 Před 2 lety +1

    What an enlightening session.i am so much fascinated by the enigmatic cosmos . Basically i am a chemist getting interest in the physical and philosophi cal aspects of matter in the universe.thanks for this q/a session

  • @brettonwoodsvsbtc1217
    @brettonwoodsvsbtc1217 Před 3 lety +5

    Wow fresh air. I just come off a pod cast from Dr Albert where the Dr talked around the issue never arriving at a cemented view or opinion. This feels like fresh air in comparison and thank you to you both for entertaining concise content that is easy listening informative and explanatory. Loved listening to this content. More please more

    • @realeyesrealizereallies6828
      @realeyesrealizereallies6828 Před rokem

      Dr Albert was more in line with reality, we are children, and have a long way to go before arriving at any worthy cemented views or opinions...

  • @candidobertetti27
    @candidobertetti27 Před rokem +3

    Loved it. Specially the q/a solo part, you're such a brilliant man. Thank you Brian.

  • @stephenjones796
    @stephenjones796 Před 3 lety +2

    Would be very interested in any sci-fi /sci-fact publication you put forward ! Thanks Professor.

  • @lindaocean6858
    @lindaocean6858 Před 3 lety

    lovely discussion thank you

  • @georgiasmyrniou6337
    @georgiasmyrniou6337 Před 11 měsíci +1

    Please do books for middle school.
    My students seem not to understand theories explained in the current ones about quantum physics . Hope you do 😊

  • @johnjobs3027
    @johnjobs3027 Před 3 lety +5

    Many thanks to you Dr Greene and your colleagues for your time and passion . 👍🇨🇦

  • @IndranilBiswas_
    @IndranilBiswas_ Před 6 měsíci

    Brian Greene is such a good educator and man of science.

    • @IndranilBiswas_
      @IndranilBiswas_ Před 6 měsíci

      Any more conversations with Sean Carroll? And can you have one with Elon Musk!!!! TY.

  • @katiekat4457
    @katiekat4457 Před 3 lety

    I didn't hear your dog barking when you said he was but I think it's so cute when he's running around outside in the yard behind you. I didn't see your dog today but I think it was your last video that I saw him. Could even have been an earlier video than that.

  • @Shalomjoyyy
    @Shalomjoyyy Před 3 lety +1

    I’ve tested the Mpemba effect on water a few times. It always holds up. Very interesting.

  • @glennh8185
    @glennh8185 Před 2 měsíci

    i just saw this now and its made me really think. keep it up dr greene

  • @JamesEscobar
    @JamesEscobar Před 3 lety +6

    Dr. Greene thank you so much for spending time creating and contributing content like this! Your channel is amazing!! And life changing!

    • @waynefarley87
      @waynefarley87 Před 3 lety

      Dr. Greene, just a great 3 hours. Dialogue with Adam Reiss was education as well as a great mind exercise. You are so very VALUABLE to many many for some sanity and reality and it’s beauty and shortcomings. Thanks again

  • @keithmcgarrigle2653
    @keithmcgarrigle2653 Před rokem +2

    With the Hubble telescopes data for the most red shifted Galaxies in the Nineties, and comparing the red shifted data now.
    The difference in the results would prove rate of expansion?

  • @StaticBlaster
    @StaticBlaster Před 5 měsíci

    I hope Dr. Greene is writing another book. I would definitely read it.

  • @mikechaisson9875
    @mikechaisson9875 Před 3 lety +1

    Wow! I really love your view/explanation on the Boltzmann brain. Brian Green you rock! Thank you very much for all your precious time.

  • @christopherparsons7038
    @christopherparsons7038 Před 9 měsíci

    Mr. Greene. There are so many items (videos) with you in them and bringing us some of the best discussions and thoughts. Thank you. I wonder if the acceleration of the universe has stopped and we're just catching up with it. I wonder if it stopped at the speed of light. I know that suggests a boundary. But the fastest particle we have is a photon. The (accelerating/accelerated) universe must play some role in that speed. As it does now to suggest a better description of 'gravity, in that the expansion of the universe is playing a part _in_ the (new) theory of gravity. If there is no other particle faster than the photon would that not suggest a limit to the acceleration and if that then at some point a _halt_.

  • @Getsmore
    @Getsmore Před 11 měsíci

    One of the few that still believe old world sciences. God boy for thinking the way the government trained you to live your life. 👍👍👍👍

  • @johnholme783
    @johnholme783 Před 12 dny

    I've got your book the elegant universe. It makes advanced physics accessible to the layman! You have a talent for writing for people with no prior background in physics. Interesting read!

  • @SomeMadRandomPerson
    @SomeMadRandomPerson Před 5 měsíci

    This dream has been seen over 962k and it's now December 18, 2023 😱 superb 👌🏻

  • @jurisbogdanovs1
    @jurisbogdanovs1 Před 3 lety +3

    Hey, Professor Green! I have written a book about Vacuum or how to prove that there is no such thing as Matter-free area anywhere in existence and it is impossible to start with. Vacuum turns out to be the most important question in Cosmology, as it affects our understanding of Light and Magnetism and Gravity... And yes, this topic was rejected by your journal Annals of Physics. No worries, I gave reference about it in my book. The title of the book is - The True Essence of Vacuum. In this book I also prove that Time Dilation is pseudo science and General Relativity itself has been ignored when considering it...
    Then I published another book. It is about all problems with Redshift and Doppler's Shift. And this too was rejected by your journal. I prove in this book that Doppler's Shift has never been reliably tested, if we speak about truly reliable tests. And it might be that Redshift is caused by a distance from the object and not from its velocity of moving away from the observer. That will kill expansion of the Universe, Big Bang theory, Dark Energy ideas etc... Title of this book is - Redshift, Nature of Light, Dark Energy.
    And yesterday I finished the book titled - Hollow Earth Theory Told as Never Before. In it i explain how hollow earth is possible according to existing laws of physics and experiments prove that it is possible in theory. Also, I look at what are legends about the hollow earth and what interesting facts these stories tell...

    • @foxjerseycol4433
      @foxjerseycol4433 Před 3 lety

      Hi, you have my attention.
      I ask if you may send me a free book ?

    • @jurisbogdanovs1
      @jurisbogdanovs1 Před 3 lety

      @@foxjerseycol4433
      Sorry, have no means to send free stuff to people right now. Kindle versions cost 3 gbp or around 5 or 6 dollars anyway. And I don't send word or pdf formats as then the book ends up for free all over the place.

    • @jurisbogdanovs1
      @jurisbogdanovs1 Před 3 lety

      @Ethernos Grace
      It is true and it will be proven. Relax.

    • @jurisbogdanovs1
      @jurisbogdanovs1 Před 3 lety +1

      @@foxjerseycol4433
      All right! I decided to share one of my books with the world fro free. It is about the True Essence of Vacuum. Do you still want it? I only will need to do some light changes to it and it will take at least a week as I am working right now. If you want it, we will have to figure out how to send it to you.

    • @jurisbogdanovs1
      @jurisbogdanovs1 Před 3 lety

      @Ethernos Grace
      Would you also want my book about the True Essence of Vacuum?

  • @mylittleelectron6606
    @mylittleelectron6606 Před 11 měsíci

    I love science and do it everyday. Brian Greene is a National Treasure. Hopefully Adam Reese didn't get completely sucked into that black hole!

  • @IndranilBiswas_
    @IndranilBiswas_ Před 6 měsíci

    We were all given our Newton moment - what a great reference! This is the 3rd time I am watching this video!

  • @vazap8662
    @vazap8662 Před 3 lety +3

    The discussion was fantastic, as wella as your Q/A. Thank you!!!

  • @chrisbronow3292
    @chrisbronow3292 Před 3 lety

    It was cool to wake up to this

  • @munderlarkst
    @munderlarkst Před 3 lety

    Something (among many things) I've never understood:
    If someone is sitting in a chair, is that person still 'moving' at the speed the Earth is rotating on its axis? Or, at the speed the Earth is moving around the sun? And/or, at the speed at which the Earth is being carried along by the expansion of the universe? (Are the above speeds added together to get the 'real' speed of the person sitting in the chair?)
    And, if the person in the chair were to stand up and start walking at 1 mile/hour, would that person then be moving at the speed of (the Earth's rotation on axis/or around the sun/or the expansion of the universe, etc.) plus 1 mile an hour?
    Also, I wonder, whatever the 'correct' speed is, is that the speed at which we (or at least the person sitting in the chair, etc.) experience time on Earth? Thank you.

  • @terrabusinessLLC
    @terrabusinessLLC Před rokem +1

    Brian...I definitely would read your book for children.
    And here is a twist regarding Tachyons....
    I am thinking about this scenario since I was a little child myself.... Decades ago...
    Here it is
    You receive the result of "having" fired your tachyon gun ON YOUR OTHER HAND and THEN CHANGE YOUR MIND...... AND DON'T PULL THE TRIGGER.... VOIALA....A PARADOX...
    LOVE YOUR TEACHINGS

  • @heihat1224
    @heihat1224 Před 3 lety +1

    i am not in school nor am I a mathematician and to be honest Im mathematically retarted but never the less i enjoy these videos greatly

  • @aseshbasu4816
    @aseshbasu4816 Před 3 lety +1

    Brian Greene is EVERGREEN!

  • @viewer3091
    @viewer3091 Před 3 lety

    Thanks Brian.

  • @marcopaluszny
    @marcopaluszny Před 3 lety

    From Colombia, could you describe what is, and how work standard candles?

  • @AshleyWilliams-lx4mp
    @AshleyWilliams-lx4mp Před rokem

    I listen to everything Dr Greene has to say but it all ways becomes blatantly apparent that I am indeed still a chimp... just another level of intelligence, keep up the awesome work doc.

  • @nulfire
    @nulfire Před 2 lety

    Hi Dr Greene. Thanks a lot. I'm reaching from the future of 2021. Having watched this and many others of your and others' content. And on topic it seems a theory of the expansion of the universe is vital to our understanding. My question is. Do you think that as the greats have done in physics we are needing a new/different way(s) of thinking about the challenges physics currently presents us with?

    • @ChrisBelkins1
      @ChrisBelkins1 Před rokem

      Probably a bit too much to be able and more than I

  • @sherrymanning1116
    @sherrymanning1116 Před 3 lety

    Your so smart ty listen to you it is so helpful to keep my mind from freaking out I have stupid mental diseases thank you so much

  • @markradcliff2655
    @markradcliff2655 Před 3 lety

    St.louis, Mo. area. Does anti matter and its large family of particles point to a polar cosmos. Whereby the ambient potential charge difference is part of the charge distribution symmetry that is the foam, pressure, resistance, field effect etc. and or the opposition that is pushed against by mass to create a curved space time fabric? Thankyou for your show. It is truly inspiring. Please excuse my question if it is unreasonable.

  • @aseshbasu4816
    @aseshbasu4816 Před 3 lety +46

    After Carl Sagan, I find Prof Greene to be the "easiest" and most engaging to listen to.

    • @yaserthe1
      @yaserthe1 Před 3 lety +10

      He is even better, as Sagan was more of a populariser, Brian is actually a professor of maths and physics, so is waaaaaaay more qualified than Sagan.

    • @adumberfling9959
      @adumberfling9959 Před 3 lety +2

      @@yaserthe1 so you can't think listening to someone is easier if their not as "qualified" as someone else? I enjoy Sir David Attenborough more then Steve Erwin but he had a zoo so that make him more qualified to talk about animals and their habitats? Making my opinion wrong? And Sagan is just as qualified as anyone if not more who else has their work flying to another star and could potentially be our first and only physical thing to find someone out there telling them we existed and they're not alone. That's pretty freaking important and not just some dude that popularized stuff would get to do ya would have to be a little qualified to get NASA to trust your abilities. Don't ya think? Or you can just have fun being the opinion police 😜✌️

    • @markheller197
      @markheller197 Před 3 lety

      I’m

    • @rsk5197
      @rsk5197 Před 3 lety

      @@adumberfling9959 you need to put a picture of yourself on your profile. But keep the name because it definitely fits

    • @adumberfling9959
      @adumberfling9959 Před 3 lety +1

      @@rsk5197 ha I know right you should put your mom's pic and her address on yours

  • @cyrus05w
    @cyrus05w Před 3 lety

    At 1 hour 15 minutes 52 seconds, Beautiful; very beautiful. Much High hope though for the masses to come across this all in which ye all bring forth. Perhaps Even in such a matter. I like this thank you. I think it's a good short way to say it.

    • @cyrus05w
      @cyrus05w Před 3 lety

      At 1 hours 16 minutes 16 seconds, It might be too late but perhaps some time at The Smithsonian might help. They have a few objects that might inspire. Out of sight from the public. Much to this theory of time We have lost.

    • @cyrus05w
      @cyrus05w Před 3 lety

      At 1 hour 18 minutes 1 second, Yes I would if the Library of Congress has a copy. I would be more than pleased in taking in this work. The possibilities of new ideas is always welcome.

    • @cyrus05w
      @cyrus05w Před 3 lety

      At 1 hour 23 minutes 27 seconds, Progression and decay, From our past and a Keystone figure. I believe one of them use an example of the tick . As of today I believe we use a Adam cycle. It will be interesting to see mines looking outside of this particularly wrapped Box. Thank you for putting this echo out there if it was not already. I have mentioned spin down in the past videos at some time, This is only merely one node theory, there could be more.

    • @cyrus05w
      @cyrus05w Před 3 lety

      At 1 hour 45 minutes 55 seconds, Isn't it interesting that even if after a extent of time this is still a occurrence. I love The zest each time this is brought up. Although with the way you worded it seems I might need to refresh myself on current tests. I coulda sworn we tried this darned to with a farm/non-Sentient(not my wording) animal and It failed?

    • @ronaldgreene5733
      @ronaldgreene5733 Před 3 měsíci

      Should chemistry be denied in the ready conversion of H1 to H2 merely because H2 is difficult to detect in any direct manner in space? A paper by Canadian astronomer Paul Marmet essentially collapsed the "Big Bang" back in 1990 as he theorized the existence of intergalactic and interstellar matter as the cause of redshift rather than a doppler effect -- and accounting for anomalies much more effectively, before the discovery of the abundance of H2 throughout space, though primarily ignored by the necessities of money and career support. An abundance of H2 throughout space in a gradient that will extend to meet that of our galactic neighbor, will also account for the gravitational anomaly where the outer arms of our galaxy rotate at nearly the same rate as the central region. Quantum physics is great, dare I say so before I have dived into the math. However math hasn't actually proven the existence of dark matter, no matter how sophisticated the math is or can be. Circular reasoning isn't somehow justified if you add decades of career building and funding requirements and the consensus building that takes place over time that takes on more precedence than any math in support . .
      A much greater quantity of H2 in the presence of H1 is the natural result if we acknowledge basic chemistry, exceeding the mass of the visible component of the universe and which must be ignored to maintain control over the narrative and our inability to think and take a risk without group oriented behavior and identification in support.

  • @triminh3649
    @triminh3649 Před rokem

    love is a bond of connection to help us survice with each other

  • @frankyw8803
    @frankyw8803 Před 3 lety

    Can anyone tell me the title of the music that usually plays after WSF video's ? TIA .

  • @SunTzu_0
    @SunTzu_0 Před 7 měsíci

    i fell asleep watching a gaming video woke up at 5am learning about the universe and dark energy best sleep of my life 10/10

  • @aminkanji8501
    @aminkanji8501 Před 2 lety

    Enjoyed it

  • @danielash1704
    @danielash1704 Před rokem

    Fluid Dynamics in the spaces of space is a tricky part to figure out how much the difference is between

  • @jamesa4566
    @jamesa4566 Před 3 lety

    Brian. Thank you. Adam is a wonderful person to listen to and so honest/articulate/down-to-earth. And of course so are you. My only gripe is that I would prefer people in science to refer to the speed of light (causality) to be absolute and factual. Much like evolution. Please don't entertain unknown physics.

  • @dusteye1616
    @dusteye1616 Před 7 měsíci

    CZcams loves this Guy. Stop playing this for me please, what more than disliking it can I do to stop CZcams from auto playing this

  • @Vatsyayana87
    @Vatsyayana87 Před 3 lety

    Serious question
    I remember hearing something about things like photons being "timeless" and possibly being everywhere at one moment, would something of this suggest that once everything decays completely, black holes evaporate and so on, would it come to a point that the only particles left would be these timeless everywhere points, therefore being all in one place at one time and be what creates the big bang in the first place/last place?

    • @achilles6744
      @achilles6744 Před 3 lety

      They don't physically exist everywhere at the same time. The number of positions it can be present are the mathematical probabilities and only when you measure it you know where it actually is.

    • @Vatsyayana87
      @Vatsyayana87 Před 3 lety

      @@achilles6744 Hmm, I understand that part, but i wonder if the same sort of rules apply if the only thing left are timeless particles, does time still exist at that moment? Does something like entropy have to be present for time to run? Seems like something must either cause or allow the movement of time.
      Also if it came to that sort of end, since those particles dont effect each other and are mass less, they would just go in a straight line forever right?

    • @ronaldgreene5733
      @ronaldgreene5733 Před 3 měsíci

      Should chemistry be denied in the ready conversion of H1 to H2 merely because H2 is difficult to detect in any direct manner in space? A paper by Canadian astronomer Paul Marmet essentially collapsed the "Big Bang" back in 1990 as he theorized the existence of intergalactic and interstellar matter as the cause of redshift rather than a doppler effect -- and accounting for anomalies much more effectively, before the discovery of the abundance of H2 throughout space, though primarily ignored by the necessities of money and career support. An abundance of H2 throughout space in a gradient that will extend to meet that of our galactic neighbor, will also account for the gravitational anomaly where the outer arms of our galaxy rotate at nearly the same rate as the central region. Quantum physics is great, dare I say so before I have dived into the math. However math hasn't actually proven the existence of dark matter, no matter how sophisticated the math is or can be. Circular reasoning isn't somehow justified if you add decades of career building and funding requirements and the consensus building that takes place over time that takes on more precedence than any math in support . .
      A much greater quantity of H2 in the presence of H1 is the natural result if we acknowledge basic chemistry, exceeding the mass of the visible component of the universe and which must be ignored to maintain control over the narrative and our inability to think and take a risk without group oriented behavior and identification in support.

  • @ricktaylor7648
    @ricktaylor7648 Před rokem +1

    Yes...that book would be cool for kids and adults

  • @TDQ_Gaming
    @TDQ_Gaming Před rokem

    If the CMBR is the same in every in direction, wouldn't that imply either we are in the center or it's more an observable artifact of where space is approaching the speed of light as it moves away from us?

  • @miaa7887
    @miaa7887 Před 3 lety

    Can you debate with Mr Ken wheeler who is the master of magnetism ,I need some more clarity., Also at what point do you consider where you are looking inside the body or outside the body? Thank You for your time M

  • @eransinbar8628
    @eransinbar8628 Před 3 lety +1

    If space time is quantized to 3D units in the size of Plancks length in each dimension , can we assume that the space between the units is another grid like non local dimension?can it be responsible for the EPR quantum entanglement " spooky action at a distance" ? - Eran Sinbar , Israel

  • @rgmartinez
    @rgmartinez Před 3 lety +4

    Question: If the space-time between the Earth and the Moon is expanding with increasing acceleration, why is the distance between these two objects more or less constant? Note that their attraction due to the gravity shout,d be constant or decrease, correct?.... Thanks!

    • @achilles6744
      @achilles6744 Před 3 lety +3

      The space time between the earth and moon isn't expanding because they're gravitationally bound. Even solar system, galaxies don't expand within themselves. Expansion occurs on a large scale for example between our super cluster of galaxies and another distant supercluster. Gravity would negate any effect exerted by the expansion within these bound structures. Infact moon is slightly moving away from earth but for a different reason. I hope this helps.

    • @TimothyWhite360
      @TimothyWhite360 Před 3 lety

      Whats your thought on Monds theory?

    • @rgmartinez
      @rgmartinez Před 3 lety +1

      ​@@achilles6744 Thank you for the insight but I do not think it is so simple... My understanding is that space-time expands everywhere, like the dots on a balloon that is exponentially increasing its volume. We are not at the center of the Universe. So, if it is expanding inside my body and between the Earth and the Moon as commented, what are the consequences? does that align with our current theories? (I know the moon is moving away slowly but did not want to complicate my question)

    • @ronaldgreene5733
      @ronaldgreene5733 Před 3 měsíci

      Should chemistry be denied in the ready conversion of H1 to H2 merely because H2 is difficult to detect in any direct manner in space? A paper by Canadian astronomer Paul Marmet essentially collapsed the "Big Bang" back in 1990 as he theorized the existence of intergalactic and interstellar matter as the cause of redshift rather than a doppler effect -- and accounting for anomalies much more effectively, before the discovery of the abundance of H2 throughout space, though primarily ignored by the necessities of money and career support. An abundance of H2 throughout space in a gradient that will extend to meet that of our galactic neighbor, will also account for the gravitational anomaly where the outer arms of our galaxy rotate at nearly the same rate as the central region. Quantum physics is great, dare I say so before I have dived into the math. However math hasn't actually proven the existence of dark matter, no matter how sophisticated the math is or can be. Circular reasoning isn't somehow justified if you add decades of career building and funding requirements and the consensus building that takes place over time that takes on more precedence than any math in support . .
      A much greater quantity of H2 in the presence of H1 is the natural result if we acknowledge basic chemistry, exceeding the mass of the visible component of the universe and which must be ignored to maintain control over the narrative and our inability to think and take a risk without group oriented behavior and identification in support .

  • @YouGoneMad
    @YouGoneMad Před rokem

    So if I am understanding Brian Green'e explanation of knowing how to travel to the future by traveling away from earth and then back again allows us to travel to the future, then would that mean that without some type of instantaneous travel, that it would then be impossible for a multi-galaxy civilization to exist in theory due to the constant flow of time due to the time it would take to travel back and forth (again without an instantaneous form of travel) because years could literally fly by depending on the location of say two planets attempting to send supplies to each other in a realistic frame of time to meet the needs of the populations of the two places? In other words, one planet could put an order in for supplies, and by the time the transport ship went back to the original planet, gathered supplies, and flew back, in theory those people could have died off years ago by the time your transport got back? Did I explain my thought correctly?

  • @joerutkowski8820
    @joerutkowski8820 Před 3 lety

    I'm very much interested in an Quantum mechanics course, I have my ideas and visions and i could use help organizing those thoughts in a productive manner to give to others.

  • @RayRay-ex9gc
    @RayRay-ex9gc Před 3 lety +11

    Northern Kentucky ! Green for president 2020 !

  • @rozbrkit4985
    @rozbrkit4985 Před rokem

    i just ran a comparison with other videos and i first noticed that this video is only accessable in 720p & no HD in sight? which could account for its "condition" but i id notice other issues with other videos from the same location..... sorry but i most likely will be splatering comments all through out yur viddeos, i may be the only person in "this timeline" as this happens?

  • @travisfitzwater8093
    @travisfitzwater8093 Před rokem

    i think we might benefit from focusing on the fluctuations in the density of the condensate and its gradients, out there, here, everywhere.

  • @DiscoGreen
    @DiscoGreen Před rokem

    @ 2:25:20 you talked about invariants and c being same.. but Einstein wrote many times how he postulated c was variable. But the ruler (distance c..) and the cesium second ( measured with c) ⏲️ both shrink and change regardless of inertial frames.. How can you prove it IS invariant over it isnt?

  • @adamhoman8302
    @adamhoman8302 Před rokem

    It never ceases to amaze me how "fairytale" like people will believe any idea other than to say their is a creator or an intelligent designer to our universe.