Is This What Quantum Mechanics Looks Like?

  • Опубликовано: 2 ноя 2016
  • Silicone oil droplets provide a physical realization of pilot wave theories.
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    The standard theory of quantum mechanics leaves a bit to be desired. As Richard Feynman put it, "I think I can safely say that no one understands quantum mechanics." This is because observations of experiments have led us to a theory that contradicts common sense. The wave function contains all the information that is knowable about a particle, yet it can only be used to calculate probabilities of where a particle will likely turn up. It can't give us an actual account of where the particle went or where it will be at some later time.
    Some have suggested that this theory is incomplete. Maybe something is going on beneath the radar of standard quantum theory and somehow producing the appearance of randomness and uncertainty without actually being random or uncertain. Theories of this sort are called hidden variable theories because they propose entities that aren't observable. One such theory is pilot wave theory, first proposed by de Broglie, but later developed by Bohm. The idea here is that a particle oscillates, creating a wave. It then interacts with the wave and this complex interaction determines its motion.
    Experiments using silicone oil droplets on a vibrating bath provide a remarkable physical realization of pilot wave theories. They give us a physical picture of what the quantum world might look like if this is what's going on - and this theory is still deterministic. The particle is never in two places at once and there is no randomness.
    Edited by Robert Dahlem
    Sound design by A Shell in the Pit
  • Длительность: 7:41
  • veritasium  silicone oil droplets  silicone oil  droplets  quantum mechanics  pilot wave  de broglie  quantum  theory  double slit  tunneling  wave  particle  duality  experiment  speaker  oil  droplet  bohmian mechanics  hidden variable theory  

Комментарии: 7 014

  • James Sempy
    James Sempy 7 часов назад

    (3:20) de Broglie .... pronounced as: de Broy .....
    the name is from italian origin, not french ....

  • burgersoft777
    burgersoft777 3 дня назад

    I would like to replicate this experiment. I was wondering at what sort of frequency range would I need to drive the speaker at. I have an old frequency generator in the shed, and am wondering how to calculate the sweet spot to get this up and running without splattering silicone oil all over the house and thus irritating the wife.

  • Rylan Hunt
    Rylan Hunt 4 дня назад

    wow! amazing! I never heard of this. what were they teaching me in my undergrad!

  • SpokoSpoko
    SpokoSpoko 5 дней назад

    I just wonder how the pilot wave theory would explain why we get different result in double slot experiment when we make the observation of one of the slot or we don't

  • Proxy 47
    Proxy 47 10 дней назад

    If I placed detector in front of one of the slits and sent one particle at a time; will the theories, pilot wave and Copenhagen, give different results?

  • Mohamed Lmezouari
    Mohamed Lmezouari 12 дней назад

    all that little stuff are not coincidence but life are coincidence .the first are quantum weirdness the second are
    human madness

  • Derek F
    Derek F 13 дней назад

    Amazing video

  • Yaser º
    Yaser º 14 дней назад

    5:19 "No". Because?
    Wtf, why not, to much sense?
    (nothing personal... get frustrated with all the hocus pokus)

  • Alan Alldredge
    Alan Alldredge 14 дней назад

    Zeno Effect? Anyone? How can we explain how speed of measurement calms this path? And if meausurment causes an interaction, on a dimensional wave thereby changing the patter behavior, is there data for distance and position of that measuring device that correlates to the rebuilding of the probability?

  • Eduardo Mendes Marcondes
    Eduardo Mendes Marcondes 14 дней назад

    Awesome!! congratz!

  • Daniel Pas
    Daniel Pas 14 дней назад

    Assuming the casimir effect is caused by plates being to close for quanta waves to form, you could conduct an experiment to test for quanta outside of their carrier waves, also assuming the we have instruments that can measure quanta and not the just their waves.

  • Chris Young
    Chris Young 18 дней назад

    With the pilot wave theory, couldn't that mean the universe was an infinity of possibilities until the first life form emerged to observe it and it's wave function collapsed?

  • Derek F
    Derek F 18 дней назад

    Very good, Can you do a video for quantum entanglement and pilot wave theory

  • VITA kyo
    VITA kyo 18 дней назад

    Is the droplet needed ? Isn't the middle of the wave going up & down sufficient ?

  • Arrow
    Arrow 18 дней назад

    Finally something optimistic about the quantum mechanics, although it’s just an analogy and not an explanation

  • mischa wolf
    mischa wolf 19 дней назад

    Pilot wave is the only way that quantum physics seem logical. Basically it's like asking an atheist being asked to believe in God when things have a perfectly good explanation. Well pilot wave is a perfectly good explanation as well if you ask me. I wonder if this is catching on in the physics community. It should.

  • Jacob Richardson
    Jacob Richardson 21 день назад

    Thank god. Pilot waves actually make sense.

  • saurabh **
    saurabh ** 21 день назад

    That...gose over my head........

  • Mudfossil University
    Mudfossil University 21 день назад

    Harvard backs up MFU with peer review confirmation... Light is a Vortex energy packet (a particle)

  • Heryck Curioso
    Heryck Curioso 22 дня назад

    This guy is good 🤤

  • William Russell
    William Russell 22 дня назад control

  • DanielVidz
    DanielVidz 22 дня назад

    *I absolutely love this explanation*
    but why would measuring which path a "single particle" took collapse the wave function overall?

  • Shivan
    Shivan 23 дня назад

    ...your face looks like quantum mechanics.

  • Eyan Stevenson
    Eyan Stevenson 24 дня назад

    Wouldn't the (given) amplification or output of the speaker create a skewed phenomenon? What in the real world would be represented by the speaker here? Gravity? -> if gravity, wouldn't gravitational forces be different at a quantum level?

  • Ronaldo Panaligan
    Ronaldo Panaligan 24 дня назад

    So are you trying to say that adding an observer did not really cause the wave functiom to collapse, but since they were firing one photon at a time, it probably would have taken a ridiculously long amount of time for the wave function to become evident, and the one that becomes evident fist is particle pattern?

  • thejus KT
    thejus KT 25 дней назад

    What is the frequency of the sound that you used to do this experiment?

  • yellowball fun
    yellowball fun 26 дней назад

    I finally understan quantum mechanics

  • jesse diaz
    jesse diaz 27 дней назад

    What if every particle we see has has a counter part in another plan making it appear to be in two places at once or apprear and disappear

  • Cambionic
    Cambionic Месяц назад

    So you watch Rick and Morty too

  • Noel Helsing Gonzalez
    Noel Helsing Gonzalez Месяц назад

    One thing I dont understand about quantum mechanics is how people often say "it's at two places at once and then collapse when you measure it" Isn't it just that it COULD be at any of these places but you actually find out where it is when you measure it? At least the instantaneous location.

  • Thatguy Man
    Thatguy Man Месяц назад

    How is the interpretation that forces you to give up common sense more widely accepted than the interpretation that makes sense and has a demonstration to accompany it

  • modolief
    modolief Месяц назад

    2:25 -- quantum tunneling !!!

  • CThienV
    CThienV Месяц назад

    Video about simulation hypothesis please.

  • Peh
    Peh Месяц назад

    So, regarding the double slit experiment. The measurement erases the wave, so the photon can't interact with his own wave which went through the other slit and only goes straight to the wall. Thus, we see a different pattern when we try to figure out which slit the photon went through.

  • vikash sinha
    vikash sinha Месяц назад

    Great video !!
    Question: How does the Pilot Wave Theory explain the different results of double slit experiment when we do or do not "observe/measure" the slit through which each electron is passing?

  • SB23
    SB23 Месяц назад

    Dude, you deserve your 4.5 million subs ;)

  • Aman Kumar Soni
    Aman Kumar Soni Месяц назад

    finally now i understood the dual nature of quantum particles. Thanks a lot.

  • Aryan Kumar
    Aryan Kumar Месяц назад

    Couldn't light be something like a particle travelling in waves just like water we know that water is a particle moving in a wave form

  • Ben Duncan
    Ben Duncan Месяц назад

    This channel keeps getting better and better!

  • Trenton Price
    Trenton Price Месяц назад

    Not gonna believe this but watching this I had deja vu. I had a dream about this about 11 months ago. Never seen this video, channel, or science of anything like this before.

  • Crick Craze
    Crick Craze Месяц назад

    Hatts Off sir Debroglie ,,,

  • Taylor Yarick
    Taylor Yarick Месяц назад


  • Aufenthalt
    Aufenthalt Месяц назад

    Can't believe that someone disliked

  • Ganesh Jadhav
    Ganesh Jadhav Месяц назад

    Is it me or geeks (me too) gate getting more muscular and smarter.

  • Crypto Jo
    Crypto Jo Месяц назад

    You can never know the rules because you're never confident of being the only observer.

  • Erin Hightower
    Erin Hightower Месяц назад

    Pilot Wave just makes more sense to me.

  • John Kosinski
    John Kosinski Месяц назад

    LIKED. I'm here from Smarter Everyday

  • Matthew Gartell
    Matthew Gartell Месяц назад

    Copenhagen interpretation does not reflect the tangible and emperical world. I feel that the waters have become muddy and thus clouded many great minds. one day a complete theory will unite physics and will truly show our place in the cosmos. We will never get there though by backing random horses

  • Aufenthalt
    Aufenthalt Месяц назад

    I didn't know this experiment but this video should be pushed to one of the most revolutionary . It tackles the Schrödinger Cat Paradoxon bringing it to reality. I have to think if Bell's inequalities are also violated in this system but if it is....hard times for the orthodox of Copenhagen interpretation.

  • Robert Wilson III
    Robert Wilson III Месяц назад

    Instant Sub.

  • Gambit
    Gambit Месяц назад

    what abt observers

  • Victor Nguyen
    Victor Nguyen Месяц назад

    6:59 that truly sounds scary

  • Maui Fisi
    Maui Fisi Месяц назад

    Would the aether be what the particles bounce around in creating aether waves...

  • Rishabh Sharma
    Rishabh Sharma Месяц назад

    How can that oil droplet bounce again and again? How law of conservation of energy is verified here?

  • Ross Catto
    Ross Catto Месяц назад

    I dont understand why this is happening therfore it must just be random? What kind of retarded reasoning is that? Is that just me? Lol

  • Javier Hernandez
    Javier Hernandez Месяц назад

    Now this makes so much more sense than an electron splitting and going through the 2 slits at the same time just to rejoin after

  • archaic outlaw
    archaic outlaw Месяц назад

    This is honestly very intriguing. But how does this explain why the observation of the particles colaspe the wave function and then acts as a particle?

  • Privateacc -
    Privateacc - Месяц назад

    Einstein was right after all perhaps.

  • Agentepic25
    Agentepic25 Месяц назад

    I’m a high school student interested in this field, but everything I can find about these things are confusing. Is there a good place to learn about the basics that anyone knows about?

  • Thomas the КАРТОШКА Engine
    Thomas the КАРТОШКА Engine Месяц назад

    If you think about it if everything has a blueprint then theoretically you could create a universe which backs up the "Simulation Hypothesis" so i would rather have a life that is dependent on laws but not dependent on "DIY Determined entangled particles" or NO FREE will ...
    is the future predetermined if god does not play dice?

  • jozsef orgovan
    jozsef orgovan Месяц назад

    I would like to ask, what the electrodes are doing there? there was NO explanation about it, is it heating the oil, stretching molecules or what was the reason? please explain.

  • bing's wig Crosby
    bing's wig Crosby Месяц назад

    I'll show u my double slit

  • Emiliano Viana
    Emiliano Viana Месяц назад

    Copenhagen intrapretation is jewish kabbalah mumbo jumbo re-wrapped for nerds who blindly believe anything that comes with a "science" tag

  • Vitor Lanjoni
    Vitor Lanjoni Месяц назад

    Hi. I'm new here and I would like to ask a question.
    Because of Quantic Quackery many people often misunderstand and maybe even I am wrong.
    What is quantum measurement or quantum observation?

  • manofsan
    manofsan Месяц назад

    I'd like to ask what the bouncing of the droplet is supposed to represent. While the actual oil drop is bouncing up and down in the vertical axis - what does that correspondingly mean for a quantum particle like an electron? Is that electron bouncing in and out of our universe, similar to the way the droplet is bouncing in and out of the surface plane of the oil?

  • manofsan
    manofsan Месяц назад

    Pilot Wave! Pilot Wave!

  • Lance Prior
    Lance Prior Месяц назад

    To bad they couldn't send a droplet through each slit at the same time, I'd have liked to see that.

  • Zahid ali
    Zahid ali Месяц назад

    Nicely explained..Thanx dear

  • Rob Inson
    Rob Inson Месяц назад

    Wasn't this theory marginalised because it's not Lorentz invariant?

  • crashtech66
    crashtech66 Месяц назад

    One of the most intuitive descriptions of what might be going on at the quantum level that I've seen, which both attracts me and makes me suspicious at the same time.

  • 1000000trs
    1000000trs Месяц назад

    So has pilot wave theory got nothing to offer on entanglement so far ?

  • Leo Yohansen
    Leo Yohansen Месяц назад

    All objections to pilot wave theory should be examined in these videos. Many people believe that Bell's theorem invalidates 'hidden variable' theories but that's simply not true as it only invalidates local hidden variable theories of which Bohmian mechanics is not. The non-locality of the theory should also be explained as it is a major aspect of it. So much is misunderstood due to bias and fantasies of well known physicists having imposed their mere perspectives as being reality. That's why the Copenhagen interpretation has dominated. It's also why M-theory dominates even though general relativity shows that gravitation is an interaction between mass and space meaning that gravitation is not a fundamental force and that there is no such thing as a graviton or quantum gravity. Since the Lorentz factors prevent mass from being compressed to its Schwarzschild radius, black holes also do not exist and are not the accurate descriptions of objects at the centers of galaxies. Black holes are by no means predicted by general relativity as is often claimed. There is also no incompatibility between general relativity and quantum mechanics as is often claimed. There is only an imposed quantum  perspective of gravitation that is incompatible with general relativity. When these non-scientific impositions are finally ignored and space itself is actually studied for being the fundamental force that general relativity indicates it to be, the pilot wave theory along with relativity will provide a comprehensive picture of reality.

  • Gregory Cox
    Gregory Cox Месяц назад

    Like the ancient maxim, "As above, so below", or more recently, "The universe in a grain of sand", this seems to demonstrate the one universal patterns throughout creation. As with the macro-universe of orbiting planets and galaxies seeming to mimic the atomic-scale nucleii and orbiting electrons. I see a universe of repeating patterns.

  • TheChungLing
    TheChungLing Месяц назад

    "It comes down to which theory you prefer"
    No. Just no. Only one theory can be correct, and the best thing you can do right now is consider both interpretations and see which works better. The fact that both theories agree is a sign that both are good candidates, but there must be some point where they will disagree, and once that's figured out, you don't get to choose what to believe.

  • last YT rock
    last YT rock Месяц назад

    No particles are in a definite position,because of everything is random,when the universe is ended,another random thing will happen,and who knows...

  • Grant Gibson
    Grant Gibson Месяц назад

    Why "NO". What are the discrepancies between pilot wave and QED>

  • Grant Gibson
    Grant Gibson Месяц назад

    FOLLOWUP QUESTION : Can Entanglement be explained using this pilot wave theory?
    (p.s. Thanks for uploading. This video made me a little bit happier. If only Einstein had known about this.)

  • Grant Gibson
    Grant Gibson Месяц назад

    Didn't know about this theory so many thanks for posting.

  • Vatredox
    Vatredox Месяц назад

    I think this silicon oil experiment challenges what I thought I knew about what particles are. I thought that, for example, an electron was just a wave pulse of energy or a "disturbance" in the electron field. But this experiment seems to suggest that the particle of an electron is actually distinct, like a ball on a trampoline rather than the trampoline taking its own shape to make up the clump of wave pulses known as the electron.

    ESGI MUSIC Месяц назад

    Pilot wave is practical. Copenhagen is dreamy rubbish. You got me thinking however. The particle must be receiving information about all other points on the standing wave to be able to react as it does. What is the velocity of the information transfer and what is it transmitting through. An 'ether'? Could this also explain gravity, not as a curvature of a supposedly empty space (how do you curve 'nothing'), but as planets orbiting in energy wells (or troughs in the wave) caused by the combined vibrational energy of the dominant mass in the system?

  • Blaze Amazing
    Blaze Amazing Месяц назад

    Personally I have problems with a non-deterministic view of physics. It seems that any time an observation seems random, it's later discovered that it only seemed that way due to a poor or incomplete understanding of the variables involved. A die roll might seem random, but given identical circumstances you can cause it to roll the same result consistantly. Heisenberg uncertainty feels like a comfortable way to explain away imperfect observation.
    It seems when you pair a modern understanding of pilot wave theory with quantum entanglement, gravity as a wave, and leading hypotheses regarding the functionality of the emDrive, I think pilot waves start to make a lot more sense.

  • Sepand Ghanouni
    Sepand Ghanouni Месяц назад

    The observer effect (which path information) is verified by the eraser component

  • Maker Place
    Maker Place Месяц назад

    I like the pilet wave

  • Akim Crouch
    Akim Crouch Месяц назад

    Droplit makes more sense to me

  • forestsoceansmusic
    forestsoceansmusic Месяц назад

    "If there is any 'uncertainty' it's just due to our ignorance of what's going on, it's not that it doesn't exist." -- I was proposing that as soon as I learned about Heisenberg's "Uncertainty Principle" in senior high school in the early 1970's. (Not saying I was the first, just that at a young age I had the guts to 'swim against the stream', to disagree with the majority.)

  • forestsoceansmusic
    forestsoceansmusic Месяц назад

    De Broglie was sidelined by the majority who backed the Copenhagen school. So once again objective truth was decided by a show of hands -- how very Stalinist !

  • Rob Lowery
    Rob Lowery Месяц назад

    the last 30 seconds of the vid was epic. great catch there. it makes me wonder about future computing... hmmm

  • Anna Sekuła
    Anna Sekuła Месяц назад

    Thank you for this episode! Now it's easier to try to understand (or at least imagine) QM.

  • Yash Pal Goyal
    Yash Pal Goyal Месяц назад

    Pilot wave theory in my opinion. It lets me understand it better. I think it can be related with the G-waves, or maybe I am wrong,...,I dont know. But ya, I think pilot wave theory is correct.

    • noja83
      noja83 Месяц назад

      Since they are "throwing" electrons around in this experiment, I think it would be waves of the electromagnetic field?

  • Syris of Lemuria
    Syris of Lemuria Месяц назад

    I think the thing that gives scientists today pause about the pilot wave theory, is that it demands that matter be immersed in, and interact with a medium- and science has vehemently dismissed the presence of a medium since Einstein's Relativity Theory.

  • Ivan Mortimer
    Ivan Mortimer Месяц назад

    Pilot wave theory makes much more sense to me than the theory of superposition.

  • Michael Pierce
    Michael Pierce Месяц назад

    So one thing that is interesting to think about: what does a molecule care about. The electron itself or it's corresponding carrier wave.

  • Jeff
    Jeff 2 месяца назад +2

    Very interesting. I would vote like this, least to most likely.
    3. Copenhagen interpretation
    2. Pilot Wave theory (but maybe the particle vibrates and causes the waves in space and then interacts instead of space causing the particle to vibrate.
    1. Our universe is a virtual simulation

  • Bruno
    Bruno 2 месяца назад

    It could be an explanation for the 2-slit experiment, but what about entanglement?

  • Peter Peters
    Peter Peters 2 месяца назад

    the pilot wave theory makes more sense than the wave function theory. besides, the double slit expirement was explained using classical physics by, albeit above my intellectual understanding by far.

  • Kai Keeper
    Kai Keeper 2 месяца назад

    So does this mean small particles are constantly moving in and out from our universe into higher dimensions? And when it moves into our dimension it creates a wave in which it interacts with?

  • thorbjørn clausen
    thorbjørn clausen 2 месяца назад

    Go Copenhagen. Well I do live there...

  • Andrea Salbego
    Andrea Salbego 2 месяца назад

    This does not explain how a measuring device changes the result of the the double slit experiment. The whole thing about how measuring changes the waveform

  • BloxyLionTV // BLTV
    BloxyLionTV // BLTV 2 месяца назад +1

    The dislikes are those idiots who understand nothing of this,
    Or conspiracy theorists.

  • Brian Fink
    Brian Fink 2 месяца назад

    Pilot wave theory.