Making sense of string theory | Brian Greene

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  • Опубликовано: 22 апр 2008
  • www.ted.com In clear, nontechnical language, string theorist Brian Greene explains how our understanding of the universe has evolved from Einstein's notions of gravity and space-time to superstring theory, where minuscule strands of energy vibrating in 11 dimensions create every particle and force in the universe. (This mind-bending theory may soon be put to the test at the Large Hadron Collider in Geneva).
    TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now available on TED.com, at www.ted.com/translate.
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Комментарии • 3,9 тыс.

  • @JG-lt5mb
    @JG-lt5mb 7 лет назад +1338

    I have a lot of respect for this guy. His ability to explain things in a way that allows you to really understand and not seem so abstract is a sign of true intelligence I think.. his books are even better

    • @g33xzi11a
      @g33xzi11a 7 лет назад +14

      The books by Brian Greene

    • @mgominasian9206
      @mgominasian9206 7 лет назад +14

      Madeline Monahan The Elegant Universe

    • @KhushiKumari-bo7sl
      @KhushiKumari-bo7sl 6 лет назад +1

      my life i am any thing see ok mr

    • @singdancing8
      @singdancing8 6 лет назад +1

      The Fabric of the Cosmos

    • @Raydensheraj
      @Raydensheraj 6 лет назад +3

      I'm reading the elegant Universe by him, absolutely fantastic in every way.

  • @giuseppe3010
    @giuseppe3010 5 лет назад +84

    The signature of a good teacher is his/her ability to explain very well what he is teaching. Brian Greene has that signature!

    • @frankdimeglio8216
      @frankdimeglio8216 2 года назад

      Einstein was a known weasel. Greene is knowingly and deceitfully lying about physics. WHY E=MC2 IS NECESSARILY F=MA (ON BALANCE), AS ELECTROMAGNETISM/energy is gravity AS SPACE ON BALANCE:
      TIME DILATION ULTIMATELY proves ON BALANCE that E=MC2 IS F=ma, as ELECTROMAGNETISM/energy is gravity. The stars AND PLANETS are POINTS in the night sky. TIME is NECESSARILY possible/potential AND actual IN BALANCE, AS E=mc2 IS F=ma; AS ELECTROMAGNETISM/energy is gravity. Hence, the Earth AND the Sun are CLEARLY E=MC2 AND F=ma IN BALANCE. (The sky is blue, AND the Earth is ALSO BLUE.) 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. Gravity IS ELECTROMAGNETISM/energy. BALANCE and completeness go hand in hand. It ALL CLEARLY makes perfect sense. GRAVITATIONAL force/ENERGY IS proportional to (or BALANCED with/as) inertia/INERTIAL RESISTANCE, AS E=MC2 IS F=ma; AS ELECTROMAGNETISM/ENERGY IS GRAVITY. ("Mass"/ENERGY IS GRAVITY. ELECTROMAGNETISM/energy is gravity !!!) Gravity/acceleration involves BALANCED inertia/INERTIAL RESISTANCE, AS E=mC2 IS F=ma IN BALANCE !!!; AS ELECTROMAGNETISM/energy is gravity. (Energy has/involves GRAVITY, AND ENERGY has/involves inertia/INERTIAL RESISTANCE.) E=mC2 IS F=ma. This NECESSARILY represents, INVOLVES, AND DESCRIBES what is possible/potential AND actual IN BALANCE, AS ELECTROMAGNETISM/energy is gravity. Gravity IS ELECTROMAGNETISM/energy. Great !!! Again, BALANCE AND completeness go hand in hand. It ALL CLEARLY makes perfect sense.
      By Frank DiMeglio

  • @michaelogden5958
    @michaelogden5958 4 года назад +47

    I think Brian's ability to communicate such concepts is awesome.

  • @guydreamr
    @guydreamr 4 года назад +56

    Great speaker and his book "The Elegant Universe" is legendary.

  • @MarcelaKPreininger
    @MarcelaKPreininger 8 лет назад +498

    This man communicates complex concepts with remarkable clarity!

    • @carnellereynolds2473
      @carnellereynolds2473 8 лет назад +8

      Marcela K. Preininger It's funny, I was thinking the same thing. He must've memorized his speech and practiced several times. I also noticed that he told a few jokes that the audience didn't get. After a while he started having to explain his jokes. I guess they were too intrigued by his demonstration.

    • @allenev.8765
      @allenev.8765 8 лет назад +2

      +Carnelle Reynolds absolutely - they have only 17 minutes for the talk. its the elevator pitch for string theory. mr. greene, i'm sure, has given this talk many times. it may be a subset of the 'elegant universe' material that brian did for nova.

    • @grim789
      @grim789 8 лет назад +16

      +Marcela K. Preininger Made me think of this quote Albert Einstein - 'If you can't explain it to a six year old, you don't understand it yourself.'

    • @stevecreighton3352
      @stevecreighton3352 8 лет назад +1

      +Marcela K. Preininger Brian Greene has written several books on string theory and his exceptional talent as a communicator brings string theory to everyone.....although an understanding of a little quantum theory and General relativity help!
      The LHC is just about to wind up to full power of about 14 TeV ( Terra electron volts ) and at these energies we may see some of it disappear into the hidden dimensions.

    • @shafiqifs
      @shafiqifs 8 лет назад +1

      Brain Greene is actually misleading people. He was time & again asked to read the link www.linkedin.com/pulse/adopted-paradigm-physics-incorrect-shafiq-khan?trk=pulse_spock-articles before he talks about physics in any forum.
      Einstein was the greatest scientific trickster ever. Theories of relativity lead to Big Bang Theory whereas under Big Bang paradigm there is absolutely no possibility of existence of God for following reasons.
      1. Philosophically for existence; it has to be some substance (visible, invisible, perceivable or not perceivable) and this applies to God also. Substances occupy space but there is absolutely no space for God to exist at the time of Big Bang & before.
      2. Four things come out of Big Bang namely space, time, matter & light/radiation. We cannot look for eternal God in space & time as both had the beginning; secondly humans are in a position to produce all types of light/radiation and something which humans can produce could not be the God and since matter is made up of electrons, protons & neutrons these too could not be the God.
      However Big Bang Theory including Cosmic Inflation has been mathematically, theoretically & experimentally proved as baseless in the published paper "Experimental & Theoretical Evidences of Fallacy of Space-time Concept and Actual State of Existence of the Physical Universe" which is available at the journal site at indjst.org/index.php/indjst/issue/view/2885.

  • @translucentorb
    @translucentorb 4 года назад +37

    Sometimes when I start to think I'm really smart I like to watch stuff like this to keep my ego grounded.

    • @cleocarter
      @cleocarter 3 года назад +4

      Laughing at this at 4am.

  • @jozseforgovan8621
    @jozseforgovan8621 4 года назад +2

    Brian Greene is my favorite, love to listen him, and he always demonstrate thing visually.Easy to learn from him. Very educational.

  • @joedoe783
    @joedoe783 Год назад +2

    I've watched many videos on string theory but this is the first time I think I've grasped it. This guy is an excellent communicator.

  • @AlpNewYork
    @AlpNewYork 8 лет назад +302

    I can only show two dimensions on the screen but some of you guys will fix that some day :)

    • @henrikkoberstein
      @henrikkoberstein 4 года назад +3

      Hehe, in some sense, Brian Greene is the Steve Jobs of physics. :D

    • @willwinn8559
      @willwinn8559 4 года назад

      Best comment of the day 😎🏆👍

    • @gbachich
      @gbachich 4 года назад +1

      holograms?

    • @carrerasrivera
      @carrerasrivera 4 года назад

      ruclips.net/video/-EA2FQXs4dw/видео.html
      You are welcome 2019yr

  • @superstringcheese
    @superstringcheese 7 лет назад +85

    He's such a good writer; I had no idea he was also such a good speaker. Best of luck to those guys. Whether you think string theory is a valid enterprise or not, someone has to prove it either way, which is what they're doing. If they're right... what a discovery. If they're wrong... what a discovery.

    • @EdmundEquilibruimmentaiko
      @EdmundEquilibruimmentaiko 7 лет назад +1

      superstringcheese I

    • @nealW2904
      @nealW2904 4 года назад +3

      A bit like proving god does or doesn’t exist do you think

    • @nickw9376
      @nickw9376 4 года назад +2

      There is a principle of science that it is impossible to prove that something does not exist. Even finding an alternative theory, and being to prove it, does not prove the non-existence, or total error of the previous theory.

    • @nickw9376
      @nickw9376 4 года назад +4

      @@nealW2904 To me, a lot of this stuff is like searching for a god. It has the same sort of endlessness to it....and the same problem that you can't prove the lack of something.

    • @rajmohan3840
      @rajmohan3840 3 года назад +1

      555

  • @sharinglanguage
    @sharinglanguage 4 года назад +56

    This is a fantastic summary of his book: "The elegant universe"

    • @frankdimeglio8216
      @frankdimeglio8216 2 года назад

      Greene 💰 is knowingly and deceitfully lying about physics.

  • @Boogieplex
    @Boogieplex 4 года назад +1

    Brian Greene is the total package.
    He’s a brilliant mathmatician,theorist,physicist,cosmologist,scientist all with the ability to explain things that would be otherwise impossible to understand. I remember watching “the elegant universe “ as a kid and being blown away.

  • @AkbarRazaSyed
    @AkbarRazaSyed 8 лет назад +145

    I Didn't Know I'd End Up Watching Full Video... Amazing explanation

  • @fortuner123
    @fortuner123 4 года назад +3

    Excellent. Very easy to understand with his perfect delivery.

  • @riicomust
    @riicomust 7 лет назад

    I really have no words.. this is amazing ! I'm really looking forward for the results

  • @Lo2y
    @Lo2y 4 года назад +13

    The best explanation of string theory ever ❤️

  • @norahnoman8661
    @norahnoman8661 8 лет назад +5

    Brian Greene is really an amazing teacher

  • @faithhope4480
    @faithhope4480 4 года назад +3

    Thank you for sharing this awesome info. Not an area of my interest originally, BUT I've felt that there are more dimensions than we initially see, and so it is most satisfying to get this information clarified it actually makes it easier even on a spiritual level. Thank you very much.

    • @pereraddison932
      @pereraddison932 4 года назад

      ... yrs ...
      GOD BLESS EVERYONE BLESS EVERYTHING ALWAYS AMEN*XOX*the ROCK OF PHAGES ...

  • @goerizal1
    @goerizal1 5 лет назад +1

    amazing presentation, so helpful to non-physicists like me trying to understand - up to a point- how this world functions beyond the obvious. thanks.

  • @JeremySchwartz2027
    @JeremySchwartz2027 4 года назад

    Love this channel, amazing ability of people who can explain complex simply!

  • @mickeypopa
    @mickeypopa 4 года назад +113

    Fast forward 15 years and still nothing, jury is still out.

    • @CuriousAndCuriouser1865
      @CuriousAndCuriouser1865 4 года назад +1

      Just us the update?

    • @parkeranderson5074
      @parkeranderson5074 4 года назад +5

      Could they have withheld their findings?

    • @greenwxy344
      @greenwxy344 4 года назад

      PowerStrokePepe probably

    • @2ndrealitygaming402
      @2ndrealitygaming402 4 года назад +1

      Dyzo. Why would they do that?

    • @emodude35
      @emodude35 4 года назад +6

      Yeah CERN found absolutely no proof of extra dimensions or supersymmetry. Two String Theory failures.

  • @johnfullwood1095
    @johnfullwood1095 4 года назад +3

    Pure Brilliance Dr Green!!!, perfect 👌

  • @whoisray1680
    @whoisray1680 4 года назад

    I can keep listening to him forever without getting tired of it and still understand all of it

  • @ZaChYmO
    @ZaChYmO 6 лет назад +1

    Still after almost 2 decades, the best string theory Beautifully explained by Dr. Brian Greene

  • @Joesotherself
    @Joesotherself 10 лет назад +355

    begins by talking about the year 1907
    length of video- 19:07

    • @WalterWWelle
      @WalterWWelle 7 лет назад +47

      Joseph Sewell illuminati confirmed. Well done sir...

    • @Noth3ng
      @Noth3ng 7 лет назад +27

      Joseph Sewell - though it's not as impressive as the fact that it took almost 3 years before one of those "illuminati confirmed" messages appeared in this thread.

    • @AlienPsyTing1
      @AlienPsyTing1 6 лет назад +1

      spooky

    • @miloudabouichou
      @miloudabouichou 6 лет назад +4

      illuminati confirmed

    • @jimscobie6646
      @jimscobie6646 6 лет назад +1

      Too coincidental!

  • @lisanicholls9026
    @lisanicholls9026 6 лет назад +4

    Thank you , great video.😊

  • @fawnwoods6123
    @fawnwoods6123 5 лет назад

    I'm grateful for his talks, because his books are over my head.

  • @pacandpal3
    @pacandpal3 5 лет назад +1

    Its going to be a breakthrough when we prove the existence of other dimensions with particle collision and converge the ideas and theories of every scientific genius. To know we are one collision away just makes it that more exciting . We found the higgs boson particle now onward to the graviton !! Love this TED talk btw !! Very smart man.

  • @gpramvr
    @gpramvr 8 лет назад +5

    Every word is of importance. Great speech.

  • @frankhoffman3566
    @frankhoffman3566 4 года назад +3

    11 years on from this video, and the Large Hadron Collider has been in use for years. As yet, I'm seeing good results (the Higgs boson), but I'm not seeing any major announcements about other dimensions or about string theory. I appreciate this guy's ability to teach with clarity, but I don't see us closer to a theory of everything.
    I get the impression that the right theory is simple, right in front of us, and when we finally see it, we will say "of course".

    • @jaapongeveer6203
      @jaapongeveer6203 4 года назад

      You may know they are proposing a more massive collider in the order of 100 kms around so that higher energies can be produced to make more energetic collisions. If built it could possibly provide the evidence. Question is will 100 kms do it or 1,000 ...

  • @JoseGarcia-dw9tt
    @JoseGarcia-dw9tt 4 года назад

    What we must always remember is that when we find the answer to the meaningful we realize how little later we know. What makes times so special as to be one and absolute? There’s always more, let’s all work together in unity and love

  • @hindkhatib8692
    @hindkhatib8692 6 лет назад

    Many thanks for you Mr.Brian Greene . It is the best lecture ever made by a scientist about extra dimensions and String Theory in this century , very compelling comprehensive an clear Thank you

  • @SeasonOfWhatNow
    @SeasonOfWhatNow 8 лет назад +5

    I've used DMT several times and I'm almost positive what I experienced under its effects were these extra dimensions. In fact the visual aspects were very similar to what he showed in this video, particularly how the dimensions effect the strings. Cool stuff.

    • @hOREP245
      @hOREP245 Год назад +1

      dmt users lmao

    • @rivas97
      @rivas97 Год назад

      Nice to hear, but don't touch this Stuff anymore please, Ok?! 😂😂😂

  • @shubhamrodage9070
    @shubhamrodage9070 6 лет назад +4

    Now it's 10 years after his explanation ! Is any proofs we got from the HLC machine?
    And what happens if we apply gravitational waves into string theory?

  • @DanDreese
    @DanDreese 7 лет назад

    This was an amazing well-presented talk.

  • @matthewzarate9116
    @matthewzarate9116 7 лет назад

    Dr. Greene at my college regarding String Theory & gravitational waves, phenomenal lecturer

  • @herwighuener3256
    @herwighuener3256 5 лет назад +3

    Apart from the physics - your English is exceptional good. I would like to see your video-clips used in school in my (Germany) country.

    • @1BeGe
      @1BeGe 4 года назад +1

      Well...English is his first/main language. It would be rather disconcerting if he didn't speak it well.

    • @captain6876
      @captain6876 3 года назад

      @@1BeGe I find his precise elaborations very comprehensive.

  • @neilAneerGAmAI
    @neilAneerGAmAI 7 лет назад +7

    Super cool guy. Saw him live yesterday at the Starmus festival. Also looks just the same, maybe he is time traveler.

    • @neilAneerGAmAI
      @neilAneerGAmAI 7 лет назад

      He also used the same animations to show how gravity warp space-time.

    • @captain6876
      @captain6876 3 года назад +2

      I also saw him yesterday at brazzers

    • @neilAneerGAmAI
      @neilAneerGAmAI 3 года назад

      @@captain6876 I am sure you did!

  • @jozseforgovan8621
    @jozseforgovan8621 3 года назад

    Love to listen you, Extremely wonderful the way you explain things.Best teacher I have ever listen to.Love the visualization to understand what you are talking about can be fallowed easily.

  • @EmilCohenblackrose
    @EmilCohenblackrose 5 лет назад

    Wao! All the learning years... I was never ready for that! Excellent delivery ! Thanks!

  • @Dyslexic-Artist-Theory-on-Time
    @Dyslexic-Artist-Theory-on-Time 10 лет назад +5

    This is an invitation to see an artist theory of the physics of ‘time’ as a physical process. In this theory the extra dimensions of String Theory and parallel universes of Hugh Everett Many worlds interpretation are just future possibilities and opportunities in our one three dimensional Universe of continuous energy exchange or what I like to call continuous creation!

  • @OlemVolle
    @OlemVolle 8 лет назад +8

    Showing graphics of something that exists in 10+1 dimensions, and talking about finding out "what these things look like", does that even make sense? From the animations it looks like these 11 dimensions are just things existing in three dimensions but on a really small scale. If they operate in all 11 dimensions I guess they could be "seen" in our three dimensions of space too, but. Can these strings really be visualised? Does it even matter what they look like? I'm confused.

  • @nikhilpghag
    @nikhilpghag 4 года назад +1

    Amazing articulation. Great man.

  • @Sabrina96
    @Sabrina96 6 лет назад

    He is excellent at communicating and passionate. I could listen to him for hours.

    • @pintificate
      @pintificate 5 лет назад

      And be no smarter at the end of it.

  • @mervynsookun5995
    @mervynsookun5995 4 года назад +3

    The Demosthenes of 21st Century physics..what a powerful communicator

  • @projectstart6850
    @projectstart6850 6 лет назад +3

    No extra dimensions in LHC by 2017. No supersymmetric particles, and there should be at 1-14 TeV energies.

  • @cathleenwilliamson6668
    @cathleenwilliamson6668 4 года назад

    Wow! I understood his explanations! Please post more!

  • @eshitarezakhan6901
    @eshitarezakhan6901 5 лет назад

    Such a wonderful speech! the speaker looks like David Duchovny and sounds even smarter !!

  • @norbitcleaverhook5040
    @norbitcleaverhook5040 9 лет назад +39

    How'd the experiment go?

    • @ryzimski5749
      @ryzimski5749 9 лет назад +9

      Norbit CleaverHook They did one, if space could tear, an einsteinian law if I am not mistaken, says that space can be warped, but not torn, they relatively recently did a calculation in which the first few times they mucked up the solved it correctly, the answer inferred that space could be torn if of course string theory was right.

    • @scottdylanwoolf
      @scottdylanwoolf 8 лет назад +31

      +FrankCoffman lol you are nowhere near educated enough to make that kind of assumption but everyone has the right to their own opinion no matter how bad.

    • @DarkenRaul1
      @DarkenRaul1 8 лет назад +15

      FrankCoffman This article you posted is from 2007. The scientists at CERN have discovered the Higgs Boson last year. This proves that the mathematical theories of String Theory are accurate as their experimentation meet their projected calculations.
      We have the Standard Model of Fundamental Particles because of String Theory, and as time goes on, we are finding more and more particles that we are expecting to find from this theory. If this theory is wrong, then why are we keep finding good results and able to make practical use from it under the assumption it is correct? Now I will admit that my level of understanding of physics isn't high enough yet to fully understand String Theory (still an undergraduate in college), but from my understanding, this is new stuff that the scientific community is just starting to accept as fact in an age where all physics textbooks are wrong, as Michio Kaku points out, because they all say "The Universe is mainly made out of atoms," when we know that about 96 percent of it is Dark Matter and Dark Energy.

    • @benjaminmoldrup6286
      @benjaminmoldrup6286 8 лет назад +7

      +FrankCoffman Let's presume you are right. If string theory is wrong, which science always will stay open to, it will not really do any harm to have tested it. It's not like creationism which is plain stupid because it's based on an old unscientific book, this is resting on and derived from the body of science. I mean, it must be the best current explanation since a lot of very smart people, who understand stuff that you and i don't, dedicate their time and carrier to it. Even if not all physicists agree with it, it is still unwise to dismiss it before giving it a fair trial. AND if it turns out to be wrong, some smart people would have spent their time, thinking about a major theory for some time for a scientific reason, and i don't really see how that is a problem. If you have any VALID argument for ridiculing the super-string-theory, bring them on. I don't think you have.

    • @benjaminmoldrup6286
      @benjaminmoldrup6286 8 лет назад

      I agree, noone should present something unproved as a fact. :) I hope the research will teach us something, and i'm 99% confident they will eventually find a solution to the problems from which the string-theory arose. But you seem like you have been following the development on this issue a little, do you know where to view some of the test results?

  • @Cognitoman
    @Cognitoman 10 лет назад +5

    I just had an idea. I know I am not very smart at this type stuff but maybe this explains black holes? ok so if the proton collider gets particles to crash into each other at nearly the speed light and you have less of material to begin with it will mean some of the material went into a different dimension. Just a thought but Maybe black holes are so strong they get light particles to crash into each other and instead of getting some of the matter to "push through" are dimension like the proton collider does...a black hole actually a punches a hole in our dimension? We know that some matter that goes into a black hole disappears and cant be accounting for , so does black holes prove that we have many dimensions?

  • @user-so3uk9os4k
    @user-so3uk9os4k 4 года назад

    his explaination is so crystal clear.....

  • @janicechiaretto7082
    @janicechiaretto7082 4 года назад +1

    I'm visual. That rendering of the warping of space causing gravity made a big difference... but the ANTS made it really happen . I love this man. I love his passion! He is very clear and enjoyable to listen to. I finally understand some of this!!

  • @yogadork_namaste
    @yogadork_namaste 7 лет назад +4

    Very interesting.

  • @raptorekpl
    @raptorekpl 8 лет назад +260

    "Today a young man on acid realized that all matter is merely energy condensed to a slow vibration, that we are all one consciousness experiencing itself subjectively..."

    • @hajtom6280
      @hajtom6280 7 лет назад +11

      Well no, just because we are built by the same means does not mean we are the same consciousness, sorry but no.

    • @cedrix57
      @cedrix57 7 лет назад +1

      I am trying to understand this theory. Do you have a video or an article that explains this »we are built by the same»?

    • @Terra101
      @Terra101 7 лет назад +30

      Here is Tom with the weather!

    • @GenoVeseMekanik
      @GenoVeseMekanik 7 лет назад +5

      raptorekpl bill hicks

    • @markjones6358
      @markjones6358 7 лет назад +24

      That is exactly what Einstein was trying to say, if you crushed a whole lot of energy down and therefore slowed it's vibration, you would have a mass, like a doughnut or a couch or a pair of glasses but that mass would still retain the same amount of energy if the process could be reversed. The man on ACID got it right.

  • @tomasjurado1760
    @tomasjurado1760 4 года назад

    Brilliant explanation, just BRILLIANT.

  • @kenclarke1952
    @kenclarke1952 6 лет назад +1

    as said before a very old vid (LHC not even up and runnnig) but what a excellant, charismatic guy Brian Greene is.

  • @rfinkels22
    @rfinkels22 4 года назад +95

    he says we will know in 5, 7 , 10 years if he is right from LHC experiments. As of today, ELEVEN years have elapsed.

    • @alpheusOne
      @alpheusOne 4 года назад +16

      Richard Finkelstein in this dimension 🤷🏼‍♂️🤷🏼‍♂️

    • @jonmelon9792
      @jonmelon9792 4 года назад +5

      If you think about discoveries about stuff quantum is probably being made since soon after the LHC was started.
      But I wouldn't be holding my breath in expectation of detailed info about these discoveries coming out anytime soon;
      I just t couldn't be risked that, for example,a rogue group could, possibly, potentially, however remotely, acquire enough knowledge to, for instance, unleash a maybe a tiny black hole that could destroy life as we know it,.

    • @MiamiUFO
      @MiamiUFO 4 года назад +10

      Brian Greene is one of the merchants of hype bordering in dishonesty and milking the cow of social gullibility with fairytale physics with zero testable predictions and far detached from Reality.

    • @Garrstar
      @Garrstar 4 года назад

      @@MiamiUFO Who else would you qualify in this group?

    • @MiamiUFO
      @MiamiUFO 4 года назад +4

      Almost all promoters of String Theory as a "scientific theory", the people talking about "post empirical science"(very convenient when their ideas are not supported by empirical data), etc; these people are not hard to spot; their signature is hype. Some people call this fairytale Physics. It

  • @thetimelords911
    @thetimelords911 7 лет назад +7

    I think Ant-Man actually showed the Calabi-Yau Manifolds in the last "subatomic" scene

  • @kritikitti3868
    @kritikitti3868 4 года назад +1

    Brian Greene makes this so interesting & understandable to us ordinary folk.👽Thx Brian

  • @jamesdolan4042
    @jamesdolan4042 4 года назад

    Brian Greene is a very articulate theoretical physicists and communicator of physics for people like me, who may be lacking knowledge in that regard. I am kind of sentimental in that I like the periodic table of elements, because essentially elements have character, and when combined to make molecules, elements have even greater character. Most everythiing I know life and non life can be explained by elements.
    So while the Standard Model making up the fundamental particles and forces of nature is impressive and an impressive accomplishment, somehow I felt a beauty was lost when it emerged. These days dealing with String Theory, fields, and halograms I feel we are moving to a much colder place.

  • @TheChurchofCacti
    @TheChurchofCacti 9 лет назад +15

    You want to know what's trippy? Everything has gravitational pull, even humans. Our pull is small because we don't have that much mass but we emit gravitational pull regardless. So right now as you sit by your computer you are effecting space fabric. Everywhere you go and everything you do you are warping the fabric of space. Everything you do from taking a breath, to scratching your balls eventually effects everything in the universe in some way or another. By typing this right now I will eventually effect everything in the universe, even a planet hundreds of million light years away that may have a person identical to me typing this very same thing. That's not to say it will be a huge change, maybe just a displacement of a molecule or a microscopic reaction, but it's a change nonetheless.

    • @hector-m-carrillo
      @hector-m-carrillo 8 лет назад

      Yes, that is gravity in a nut shell

    • @isaiahphillip4112
      @isaiahphillip4112 8 лет назад

      Nope, you won't effect anything you don't directly touch. Unless you're in space, all other forces are superior to gravity. Not even the earth's gravity can dislodge an atom. If there was no nuclear attractions, or friction, and you stood still for a few weeks, you might notice small objects have made the smallest of movements towards you. But that is not the case, the light waves that just bounced off of you and back into outer space will have more of an effect on something than your gravity.

    • @hector-m-carrillo
      @hector-m-carrillo 8 лет назад

      Isaiah Phillip well, in theory, we never touch anything, it's just a repulsion between electrons we feel
      Regardless, what the guy is trying to say is that we apply a 1x10^-99999 N (not real number, in other words, tiny) force on every object in the universe simply because we exist
      And if there were no nuclear attractions (which by I presume you mean electric forces) we would return to a singularity point, since there is nothing pushing us out and we'd all collapse onto ourselves

    • @hector-m-carrillo
      @hector-m-carrillo 8 лет назад

      Having re read his comment, I forfeit my defense towards him, but my corrections stand

  • @eddieadams4770
    @eddieadams4770 4 года назад +12

    That was 2008. Now it's 2019, 11 years later. So? What's the answer? And if he is right, what about it? What're the practical implications?

    • @SaithMasu12
      @SaithMasu12 4 года назад +5

      They couldnt find anything in matter that relates to the String Theory so far.
      Thats the current standing.
      Usually the approach is: Physics suspect to find something and then they go and look for it.
      If they find traces of it they look further until their theory is proven.

    • @iceboorg9737
      @iceboorg9737 4 года назад

      It's impossible for us humans to find or understand more than 3 dimensions.

    • @kirkwolschleger4468
      @kirkwolschleger4468 4 года назад +1

      It was 2005...uploaded 2008

  • @bjorndunderbeck
    @bjorndunderbeck 4 года назад

    man I love this ted talk intro sound.

  • @richardgrant9590
    @richardgrant9590 2 года назад

    Best explanation I have ever witnessed

  • @thinhthai1172
    @thinhthai1172 7 лет назад +4

    17:00- Law of Conservation of Energy?

    • @alexschopbarteld922
      @alexschopbarteld922 7 лет назад +1

      thinh thai Do you mean that there will be loss of energy? if i understand correclty it would still exist in the other dimention?

  • @s13silly
    @s13silly 7 лет назад +65

    So much easier to listen to Mr Greene, than actually doing the math... oh my brain hurts...

    • @WSCLATER
      @WSCLATER 4 года назад +2

      Easy to listen to because he is talking so much bullshit. You don't really need to pay attntion to it

    • @MsMissyinMissouri
      @MsMissyinMissouri 4 года назад +1

      @@WSCLATER Maybe you think it's bullshit from your perspective because you can't wrap your mind around it.

  • @firstlast-cs6eg
    @firstlast-cs6eg 4 года назад

    I appreciate how you still call it a theory where as other people like to talk about it as fact.
    Question: What was the result?
    Question: Would any loss of energy be taken as this theory being correct or does it have to be a specific loss of energy? Because if it's the former,the energy loss could be explained by some unknown other factor, including possibly some basic error in the formulation of the math for the subject.

  • @leleslie45
    @leleslie45 4 года назад +1

    He's so young! This is old but the theory still holds plus so much more.

  • @reaganmin9704
    @reaganmin9704 8 лет назад +3

    In the Big Bang Theory, Sheldon looks down on Brian Greene.

  • @samanthamccall4522
    @samanthamccall4522 10 лет назад +72

    I'm just curious about why these other dimensions all have to be so SMALL that we can't see them with our eyes or other currently created observational technology? Is there the possibility that they are so LARGE that we can't observe them? Like how at one point we thought the Earth was flat because we couldn't observe the curvature of the Earth. There could be some obvious reason that I'm missing - science and mathematics aren't my strong suit - but if anyone cares to explain this to me I'd appreciate it :).

    • @Souledgex1
      @Souledgex1 10 лет назад +15

      The dimensions are small because we are looking deeper into the particles of the particles within an atom. Greene explained how there's a machine in which scientists are colliding particles to observe the results of the collisions. This video was five years ago. In 2012, scientists discovered the Higgs Boson, which is the result of these collisions, so indeed the dimensions are small.

    • @ireneabraham906
      @ireneabraham906 7 лет назад +30

      Scientists have universally agreed to expect 11 dimensions around us - 10 dimensions of space and one of time. We know 3 of us space and the 1 of time already leaving 7 dimensions of space unknown to us. The size of these dimensions are immaterial if I am not wrong. Dimensions are not bound by physical targets. It is the features and characteristics that matter. A line (2D) can be long or short. Height can be tall or short. Time can be measured but it is not bounded. Hope you get the point :)

    • @rohit28agrawal
      @rohit28agrawal 6 лет назад +5

      Samantha McCall
      we already have 3 dimensions explaining Newtonian physics...All we r looking for is 1 equation to explain the entire physics...newtonian as well as quantum.
      so whatever new discovery/ theory is there will be from the quantum side...so if there exist any extra dimension it has to be of quantum scale.
      i hope i answered your query :)

    • @sinsemiliasam14
      @sinsemiliasam14 6 лет назад +5

      Samantha McCall maybe they are vibrating at such a different vibration of our own we can't see them. we can only see about a 3rd or 13th of observable light, correct? so maybe they are here or around us and just at a different vibration. idk that's my beat guess

    • @flateartcreatorssolja6558
      @flateartcreatorssolja6558 6 лет назад

      Samantha McCall earth is flat hun

  • @raymaharaj3555
    @raymaharaj3555 5 лет назад

    Excellent explanation of dimensions. Thanks

  • @bm8406
    @bm8406 5 лет назад

    It takes an outstanding teacher to take such material and make it remotely understandable to a person like me. This is an outstanding teacher.

  • @AnoopToffy
    @AnoopToffy 8 лет назад +12

    vibrating strings of energy. that seems interesting, then what causes it to vibrate?
    what exactly is vibrating?

    • @donlowell
      @donlowell 8 лет назад +3

      +Anoop Toffy "what causes it to vibrate?" I am going to try to answer that. Answer: energy. Somewhere I got the concept of what happens inside a quark (2 up quarks and 1 down quark makes a proton) is the most radical lightening storm you could ever image. Also, I got the concept somewhere of what goes on in each of our cells (muscle, skin, etc.). Molecules are zipping around fast and furious. Not like the images that you see everything moving slowly along. Things in the sub-atomic level works different than our everyday experiences. That would be my pseudo-intellectual answer.

    • @donlowell
      @donlowell 8 лет назад

      GReaperEx, thanks for doing some research.
      Now, if Richard Feynman couldn't explain what energy was to any satisfaction, why are you asking joe blow on the Internet that question?

    • @donlowell
      @donlowell 8 лет назад

      GReaperEx, In 1928, Paul Dirac predicted the possibility of anti-electrons based on theoretical evidence. In 1928, would you have discounted this whole notion of anti-matter? I think you would. You wouldn't be alone. Positrons were discovered in 1932 and Dirac received the Nobel Prize in 1933. One case in a million. Most theories go in the trash can.
      So what? Are you going to fault every scientist for working on theories that you have not a clue if it's right or wrong. I still don't understand why this theory bothers you.

    • @NadaII
      @NadaII 8 лет назад +1

      +GReaperEx Modern science is to pompous to admit they are delving into what they used to call 'pseudo-science' or 'mysticism' to find answers. Nikola Tesla said,. "If you want to find the secrets of the Universe, think in terms of energy, frequency and vibration." but what made out to be a nut. If you go through the history if scientific discovery you find that all the big names speak highly of ancient teachings, but of course this is rarely, if ever, mentioned these days. Look up the Vedas or Vedic science and see how many scientists attest to their teachings.

    • @MarcosFMolina
      @MarcosFMolina 8 лет назад

      +Anoop Toffy
      >>vibrating strings of energy
      >>what exactly is vibrating?
      Energy.
      >>what causes it to vibrate?
      Energy
      Energy is the capacity of a physical system to perform work.

  • @JerryMetal
    @JerryMetal 8 лет назад +20

    *How life began in the universe:*
    One little string wanted to be more than just another string. He wanted to be recognized by his kin. He wanted to make the most beautiful music, he wanted to play in the largest of theaters of Broadway. He wanted to be a string on a violin so he could resonate his vibrations into the world and all would know his uniqueness. So he started a club in which many other talented strings joined and together they made molecules. Many types of molecules, even biological molecules! After millenia of dilligent work and concentration they made their first self-replicating molecule: DNA.
    The rest of the story is called evolution by natural selection ^^

  • @kingtiger2.2002
    @kingtiger2.2002 2 года назад +1

    I love brian greene, he has an incredible mind. 👏

  • @_bxrryYT
    @_bxrryYT 4 года назад +1

    The world needs people like him

  • @maxmoseley7490
    @maxmoseley7490 4 года назад +30

    It’s been 11 years, is there a sequel to this video

    • @nasrallahbeydoun
      @nasrallahbeydoun 4 года назад +2

      Not yet. I will check again after 11 years.

    • @jdburns1384
      @jdburns1384 4 года назад

      They are waiting for the James Webb telescope to launch to ensure every human possible vantage post can be high alert B.O.L.O. for ANY extra dimensions trying to hide still.....'Not Today Satin'

    • @davidburns1753
      @davidburns1753 4 года назад +2

      My question exactly. Part two please!! Wondering too, when the religions of the world will step in and claim that their God is the String Builder. Sorry, could not help myself.

    • @maxmoseley7490
      @maxmoseley7490 4 года назад

      David Burns what would be wrong with saying that God is the string builder? Logically speaking, Christians or other religions believe that God made the universe. They don’t explain how he made it or how it works. That doesn’t mean it’s false, right? If string theory is true that doesn’t disprove God. Just because the Bible never said the earth wasn’t flat but spherical, that doesn’t mean that the Bible is wrong because it never said that the earth wasn’t spherical. Same principle for this in my opinion. If string theory is the most logical explanation for laws of the universe, seems to me that that’s just how God designed it to work. I just don’t think the concepts of science and God are mutually exclusive. In fact, the fact that everything is so orderly and logical seems to point more towards an intelligence than not in my opinion. Anywhozzles😂im sure you weren’t looking for a rebuttal.

    • @davidburns1753
      @davidburns1753 4 года назад

      Definitely not looking for a rebuttal, but I accept it willingly. It allows me to ponder this about myself, "In order for me to know how little I know, wouldn't I have to know something?" ... not 'believe' in something, but actually 'know', as in scientifically provable repeatedly, not assumed because there's a Sky Fairy, cheers!@@maxmoseley7490

  • @szaki
    @szaki 7 лет назад +127

    I'll have another drink, maybe I understand it better!

    • @alexkije
      @alexkije 5 лет назад +2

      And some popcorn!

    • @boutchie06
      @boutchie06 5 лет назад +1

      I was thinking the same. I would like to do some LSD and listen to this vid again.

    • @drrydog
      @drrydog 4 года назад +1

      rather a bottle in front of me, than a frontal lobotomy

    • @georgeedward602
      @georgeedward602 4 года назад

      Three years later, but I noticed the comment for a reason I think.
      Drop acid and you will see it clearly. Maybe only in your own head but what an experience.

    • @georgeedward602
      @georgeedward602 4 года назад

      @Seditia Rose Dude just noticed your reply. I am late to the party.

  • @gurug9797
    @gurug9797 4 года назад

    'Precise and concise' the mark of a master of the subject

  • @winscombe
    @winscombe 4 года назад

    A decade old but brilliant and so helpful to understand what has, and has not, happened at CERN.

  • @denisespurlock7869
    @denisespurlock7869 4 года назад +17

    It is the year 2019. How did this experiment go?

    • @dimator
      @dimator 4 года назад +11

      The LHC has not revealed hidden dimensions, unfortunately. It has made lots of other discoveries, but not along string theory.

    • @davids.688
      @davids.688 4 года назад +10

      There's a movie about this very experiment he's describing called PARTICLE FEVER - on Netflix, I believe (at least, it was a few years ago when I watched it). To my recollection, it doesn't discover or unveil these extra dimensions, but it does chronicle the discovery/proof of the existence of the Higgs-Boson particle, the so-called (and so-feared) "God particle." For a documentary about a topic most people would find tedious and boring, it's actually a well-paced and rather suspenseful film; and like Dr. Greene, it makes an enormously complex topic very accessible to those of us for whom such topics are above our intellectual pay grade. Give it a watch - if you like this TED talk, I'd be surprised if you didn't find PARTICLE FEVER equally compelling. Cheers!

    • @someonlinevideos
      @someonlinevideos 4 года назад +2

      David S. Thanks for recommending! I couldn’t find it on Netflix but it’s on Amazon Prime Video for free for me. Watching now.

    • @Benzknees
      @Benzknees 4 года назад +1

      They’re stringing it along. All governed by the equation no conclusions yet = more grants = rich scientists.

    • @someonlinevideos
      @someonlinevideos 4 года назад +2

      Benzknees love the pun. Is there any way to verify this doubt. Not to be rude but what gives you the ability to say that a fundamental theory is just being strung along for funding?

  • @daveatkins2816
    @daveatkins2816 4 года назад +3

    Who'd of thought windows media player visuals were the answer all along.

  • @wuffendok
    @wuffendok 4 года назад

    Thank you brian. I have been amazed and also very confused by the string theory. This is the first video I've watched that has cleared up a lot of confusion in my mind. Now I can visualize the string theory a lot clearer and even beginning to understand it! Great video with great presentation!

  • @appenginenode
    @appenginenode 4 года назад

    I agree somewhat with this guy. With the string theory it's quite amazing that it's a quantum deduction of the effect of ray tracing the trajectory across it's shortest route to enable the cross compatible light source from the angle of interruption.

  • @AzuliManni
    @AzuliManni 7 лет назад +161

    I'm here because like most, I'm also a curious Human being.

    • @TheDavid771
      @TheDavid771 4 года назад

      quick question Azuli

    • @chuckschillingvideos
      @chuckschillingvideos 4 года назад

      Curiosity is good. But curiosity without skepticism is not.

    • @captain6876
      @captain6876 3 года назад

      You are a girl, you cannot feel curious

  • @ftheunstoppable
    @ftheunstoppable 7 лет назад +16

    8 years & still waiting for the result!!

    • @shukracharya_
      @shukracharya_ 6 лет назад

      Ahmed Yousuf results is higs bosan

    • @dbrast
      @dbrast 5 лет назад

      It's now been 13 years since the video was made. That was in 2005. It's now 2018,

    • @VestigialHead
      @VestigialHead 4 года назад +1

      +
      Ahmed Yousuf
      It may be 50 or 100 years before you have your answer. Do not be impatient. Science is not like that.

    • @mervynsookun5995
      @mervynsookun5995 4 года назад

      Black hole or arsehole ?

    • @waynereinert787
      @waynereinert787 4 года назад

      @@VestigialHead so true! Also, what says that our perception of time is only because of 1 definition. 10 years in our earth time is only a slight fraction of time if we get to Mars, their definition has to be different and that's just using our fundamental measurement system.

  • @arnabzanbaishya7222
    @arnabzanbaishya7222 5 лет назад

    when i was 15 i was able to understand it 20%...but now i m glad that i can understand everything he said...sir we have to appreciate your knowledge,thanks for that speech again❤️

    • @kitfisto2347
      @kitfisto2347 4 года назад

      Arnab Zan Baishya low iq i guess

  • @yeya7354
    @yeya7354 6 лет назад +1

    Wow he's such a great speaker and explained it pretty good.

    • @pintificate
      @pintificate 5 лет назад

      Yes. For those with limited curiosity.

  • @sherlockholmeslives.1605
    @sherlockholmeslives.1605 5 лет назад +9

    0:16 Goethe said that "Time is a dimension."

    • @EndsToAMean
      @EndsToAMean 4 года назад +4

      He's talking about spatial dimensions

    • @reinman1987cancer
      @reinman1987cancer 3 года назад +1

      Time is considered a dimension isnt it?

    • @sherlockholmeslives.1605
      @sherlockholmeslives.1605 3 года назад +1

      @@reinman1987cancer
      Einstein said that time is a dimension too, in his special theory of relativity.

  • @jellymop
    @jellymop 4 года назад +6

    Man, Brian Greene is a Feynman level orator and explainer. I’d take him over Tyson any day

    • @onggi3388
      @onggi3388 4 года назад

      and now u are fucked for saying that !

  • @fornlike
    @fornlike 4 года назад

    Thank you Mr. Greene.

  • @oneadb
    @oneadb 4 года назад

    Congratulations!Very clear!

  • @hipeople5157
    @hipeople5157 4 года назад +48

    I have always wondered how these people who think about such principles are then able to switch their mind to the mundane such as a grocery list, sorting laundry, and such.

    • @CarMake
      @CarMake 4 года назад +3

      They don't. that's for people like you to do

    • @vmodsm
      @vmodsm 4 года назад

      They don’t

    • @kevinjohnson8016
      @kevinjohnson8016 4 года назад +2

      Because they're desperate to deny God

    • @ProfessorJayTee
      @ProfessorJayTee 4 года назад +9

      @@kevinjohnson8016 Because are not handicapped by the need to hypothesize that there is a god in order to explain things in our universe. That outdated and unsupported hypothesis has some fatal flaws in it, anyhow.

    • @RolandKarlBryce
      @RolandKarlBryce 4 года назад +1

      Kevin Johnson they actually believe there is a Gode, sorry I mean a Code... the creator’s Code

  • @steezybrahman
    @steezybrahman 7 лет назад +3

    I'm here because I wanted to learn more about sting theory.

  • @pl..physicsislove6969
    @pl..physicsislove6969 2 года назад

    He explains every stuff amazingly 💖💞💕we love you sir Brian Greene.

  • @Kevinrothwell1959
    @Kevinrothwell1959 4 года назад +1

    At last! Now I understand string theory! Very clearly explained.

  • @v3le
    @v3le 9 лет назад +3

    i like music and i like string theory! ^^

  • @edjones8706
    @edjones8706 4 года назад +3

    Could you repeat that?. I didn't quite get that👻

  • @clarkewi
    @clarkewi 4 года назад

    Fascinating talk.

  • @sunshadow9704
    @sunshadow9704 4 года назад

    Exceptional explanation!