The Quantum Theory that Connects the Entire Universe

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  • Published on Mar 20, 2019
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    Quantum mechanics is weird and seems a bit...complicated. But understanding it can help us to understand the universe.
    Hosted by: Hank Green
    SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at www.scishowtangents.org
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    Sources:
    upload.wikimedia.org/wikipedia/commons/6/6e/Solvay_conference_1927.jpg
    journals.aps.org/pr/abstract/10.1103/PhysRev.85.166
    journals.aps.org/pr/abstract/10.1103/PhysRev.85.180
    www.cambridge.org/core/books/speakable-and-unspeakable-in-quantum-mechanics/E0D032E7E7EDEF4E4AD09F458F2D9DB7
    archive.org/stream/TheBornEinsteinLetters/Born-TheBornEinsteinLetters_djvu.txt
    www.forbes.com/sites/chadorzel/2016/05/04/the-real-reasons-quantum-entanglement-doesnt-allow-faster-than-light-communication/#6bf749a23a1e

    Image Sources:
    www.istockphoto.com/photo/red-laser-light-on-black-background-gm953164092-260212973
    www.istockphoto.com/photo/technology-cyber-electronic-concept-cpu-ram-computer-on-blue-light-background-gm921844850-253123587
    en.wikipedia.org/wiki/Erwin_Schr%C3%B6dinger#/media/File:Erwin_Schr%C3%B6dinger_(1933).jpg
    www.istockphoto.com/vector/cartoon-cat-skeleton-gm1030025036-275994539
    www.istockphoto.com/vector/blank-paper-or-cardboard-box-gm908742286-250321776
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    en.wikipedia.org/wiki/Louis_de_Broglie#/media/File:Broglie_Big.jpg
    en.wikipedia.org/wiki/David_Bohm
    www.istockphoto.com/vector/art-deco-pattern-gm942799514-257646630
    commons.wikimedia.org/w/index.php?search=pilot+theory&title=Special%3ASearch&go=Go#/media/File:3_trajectories_guided_by_the_wave_function.png
    www.istockphoto.com/photo/coin-flip-gm156210661-10540379
    www.istockphoto.com/vector/print-gm1068776582-285890535
    www.istockphoto.com/photo/thunderstruck-gm895010376-247361646
    www.istockphoto.com/vector/atom-gm473563236-64846583

Comments • 1 218

  • SciShow
    SciShow  Month ago +64

    SciShow is supported by Brilliant.org. Go to Brilliant.org/SciShow to get 20% off of an annual Premium subscription.

    • Josh Lasky
      Josh Lasky 20 days ago

      Scishow...paid for by Deepak Chopra lol

    • Dadson worldwide
      Dadson worldwide 26 days ago

      The fact we the observer are at the center of the universes is the samething mans known forever .

    • gdpr
      gdpr 29 days ago

      wtf, if you are stupid but you dont know it yet it does not mean you are not stupid !, how does the pilot theory has anything to do with locality ?!, or your missinterpretation of it ? wtf is wrong with you , haa ? if you spin 2 electrons in opposide directions YOU ALREADY KNOW THEY ARE SPINNING IN OPPOSIDE DIECTIONS, you just dont know which one is spinning in which direction, so as soon as you find the spin of one electron you combine that WITH THE INFORMATION YOU ALREADY HAVE and determine the spin of the second one, this has nothing to do with locality, it does not matter where you Move the second one, you already have the information. htf can smart people be this dumb ? are you so desperate to fin an explanation that you simply ignore parts of the ecuation to fit the result you already expected ?!

  • SFaPiL2
    SFaPiL2 8 days ago

    I dont know the underlying math in pilot wave theory but, by the way that it's being explained, it reminds me of modal analysis and other studies I've done in signal analysis during my engineering degree.
    Rather than thinking of the two particles being interlocked independently from space (indicating information travelling at extremely high velocities in order to guarantee their states are interlinked) couldn't it be that they normally match a "wave" which is independent from space itself? A "natural frequency", if you will accept my analogy with modal analysis, where these particles fit in the nodes of such waves; hence retaining a similar behavior as long as they stay fixed to the nodes of this wave independent from time and space.
    In order for this to be valid, though, an infinite number of particles all fitting in separate nodes of this hypothetical "wave" would all retain the same properties of the particle under test.
    Does anyone more knowledgeable know whether this analogy I brought up is a load of garbage or not? ;P

  • Existenceisillusion
    Existenceisillusion 8 days ago

    2 things.
    1) QM properties of individual particles contribute to the QM properties of larger ensembles, and above some threshold ensemble size, the QM properties "smear out" (else we would have to choose which contribute and which don't), resulting in the classical properties we know and love.
    2) I think it's Bell's theorem that showed that entanglement is more than just deduction. I.e., if we know there are a total of two states and two particles, and after separating them, we observe one, we subtract the observed state from the list of possibilities, leaving only one state possible, thus not requiring FTL info. Bell's theorem showed this is not true...if I remember right.

  • Patrick Mcguire
    Patrick Mcguire 10 days ago

    Our simulation overlords dictate the rules that guide their universe..we are just along for the ride 😂

  • kiss my dirty ass
    kiss my dirty ass 11 days ago

    Send me computer free😂😂😂honestly

  • MJ Music
    MJ Music 12 days ago

    I’ve said it before and I’ll say it again. It

  • blubastud
    blubastud 12 days ago

    Why does this sound like quantum entanglement?

  • Hyacinthus
    Hyacinthus 12 days ago

    Copenhagen throws out both determinism and locality, Pilot Wave throws out locality. In no way does the Copenhagen interpretation make more sense than Pilot Wave theory.

  • TheAwesomeG
    TheAwesomeG 13 days ago

    So... Ockham’s razor?

  • Joseph Crispino
    Joseph Crispino 13 days ago

    The copenhagen interpretation just seems like a place-holder until the fuller picture can be hashed out.

  • John Walker
    John Walker 13 days ago

    Your gender is in Superposition.

  • Owen Eastwood
    Owen Eastwood 13 days ago

    But what defines an observer/observation? It can’t be that something requires a living thing to observe it in order to change, so what’s actually happening here?

  • Jons LG
    Jons LG 14 days ago +1

    The shroedingers cat experiment is a horrible example imo, unless you're trying to prove that the particle is indeed in one state or another..
    Because you don't actually change the cats state by measuring it. The cat is indeed either alive or dead, and the only thing that changes is your knowledge, as the measurement has no effect on the cat.

  • zainab alshammari
    zainab alshammari 14 days ago

    Very good job on explaining such a weird yet correct theory .. it's the brain food I'm looking for!

  • EmptySora_
    EmptySora_ 15 days ago

    I love all the videos on SciShow but the quantum mechanics ones are always among my favorites.

  • Daniel 777
    Daniel 777 15 days ago

    My question is has anyone studied Seashells, with Quantum. I remember listening to the echoes of the Ocean younger.

  • Eric McGuinness
    Eric McGuinness 15 days ago

    Super position.....but when ever in the universe is something not being observed by or interacting with all the other particles, energies and forces around it? When is something ever completely isolated? Doesn't make sense to me but what do I know.

  • Seán O'Nilbud
    Seán O'Nilbud 16 days ago

    Ex-spearmint?

  • Igi Vup
    Igi Vup 16 days ago

    Sperm cells are particles and waves at the same time... Just sayin.

  • jeffwads
    jeffwads 16 days ago

    Nothing is random. If you have all the variables, you will be able to calculate the event completely. The cat experiment is ridiculous. The cat would be either alive or dead. The observation aspect is moot because you are outside the box.

  • Zes
    Zes 17 days ago

    no such thing as connecx or not

  • Matlab Tutor
    Matlab Tutor 19 days ago +1

    i am still not getting it --- The dead and alive Cat *** I mean we can use the argument in many classical experiments like The example of Dice ???? i dont know why the Cat's example is a big deal for quantum mechanical particles????

  • xxDrain
    xxDrain 19 days ago

    By now all those cats have knocked the vial over themselves and they're all dead.

  • Ken O
    Ken O 20 days ago

    "Reality, what a concept! "-Mork from Ork (Robin Williams). But when it comes to quantum mechanics, the question is, Which reality?

  • Krazy Maniak
    Krazy Maniak 20 days ago

    What if you put the cat into a glass box

  • merlopick
    merlopick 21 day ago

    Schrodinjer?? @3:48 "every expiriment"??? How the hell does this guy talk???

  • Russell Alson
    Russell Alson 21 day ago

    Could anyone explain why most scientists decided Copenhagen? Its seems to me both have just as crazy cons (cat dead and alive analogy or all particles effect each other in the universe)

  • H Missy
    H Missy 22 days ago

    What if nothing is ever fixed, and your perception is the only thing that makes it SEEM like it's fixed?

  • TROUBLE CAINE
    TROUBLE CAINE 23 days ago

    YOU WERE very wise to SHOW your words in the graphics to aid understanding. This channel is always getting better...!!

  • Gristle Von Raben
    Gristle Von Raben 23 days ago

    Actually the rudimentary roots of laser light research comes from crystallography, sapphires and rubies create a strange star effect simetimes. We typically use rubies to make lasers by pumping light into a reflective cylinder and aligning the crystal so that it bounces light to the front and back of the cylinder until it comes out of that tiny area of the ruby that only allows a thin plane of light to exit. Quantum theory helped explain it, not to create it, correct?

  • tonz lang
    tonz lang 23 days ago

    "theory" why do scientists do not get that?

  • CHEVASIT HOMPA
    CHEVASIT HOMPA 23 days ago

    Good!

  • Critico
    Critico 23 days ago

    Peter fills a bottle with a pitcher and put it in the trunk of a car. Mike, who doesn't know whether the all or half of the water is poured, drives the car for 10 miles. Before he stops and checks the bottle, the pitcher back a the starting point can be either empty or half full. That, however, is only the case in his knowledge space. In Peter's knowledge space, the amount of water still in the pitcher is already known. The information doesn't teleport 2 miles instantly when Mike opens his bottle, it's just that he doesn't know it yet.
    Should there be any information that travels, it should be inside Mike's brain, not over 10 miles, and It takes time to deduce that half a bottle means half a pitcher.
    Say if the universe is run on an engine inside a computer, and it can be paused to examine the exact speed and position of any particle. Then the information is there all the time, we just have no way to get it. It's beyond our knowledge space, which is limited by our methods, not necessary beyond every intelligent being's knowledge space, nor beyond the universal/absolute knowledge space, should there be one.
    Photons that interact with the pitcher carry information for a suitable observer. The bottle that got carried away can be said to contain extractable information. These carriers of information don't travel instantly.
    The knowledge inside the brain can arguably be considered information, but this conscious information(knowledge) should not be confused with physics information. If a bird knocks over and empties the pitcher after Mike leaves, it will be possible that Mike sees a half full bottle and thinks that the pitcher is half full. How then, can he get a wrong information, which teleports back to the pitcher?

  • Adam G.
    Adam G. 24 days ago

    Regarding the speed of light being the universal speed limit for everything... we've already proven you can cheat that. By bending space/time you can cheat by moving between two points without the travel time between them. Makes sense that particles may be able to do that too... right?

  • Justin Nehls
    Justin Nehls 24 days ago

    David Bomb. Bombian mechanics

  • Sim 303
    Sim 303 24 days ago

    it almost come down to chaos/creation vs scripted/mainframe...quantum mechanics and philosophy,in the same room.

  • Aiden Watler
    Aiden Watler 24 days ago

    What a good episode! I realise this will likely be lost in the sea pf comments, but this was so good and not quite as intense as Space Time. More SciShow Physics videos please!

  • Jordan
    Jordan 24 days ago

    Yeah but things can effect things not in thier immediate surroundings without sending a "traveling" signal or message. You have seen this it's called gears. Gears all start turning see the same time with a little gap for the space between the teeth. The universe often functions like waves making particles because inertial energy gives a portion of existing fabric of the universe mass. Like a set of gears though an already excusing standing waves that have created a network of simultaneously moving parts can communicate information in the form of specific inertia to make it look like a partial was at one end and then just appears at the other end. This duplicate however simply interacted with something like this at one end and communicated it's inertial energy to the other end instantaneously. Similarly entangled particles are capable of staying entangled by creating a standard wave along it's path as the two entangled particles travel apart and when one is flipped on the other end the information initially is communicated via spooky action without the usual need for time for a traveling wave to communicate the effects of that traveling inertia on it's immediate surroundings.

  • V
    V 25 days ago

    Yay, non-orthodox interpretations of QM :) do er=epr next!!

  • Nehmo Sergheyev
    Nehmo Sergheyev 25 days ago

    I am soooo tired of educators, particularly ones on RU-clip, using "weird" as a quantum mechanics adjective. Those guys are the truly weird.

  • iVardensphere
    iVardensphere 25 days ago

    The Copenhagen Interpretation doesn't violate locality.

  • WormholeJim
    WormholeJim 25 days ago

    Ugh, I like cats. In my ideal world I would end getting eaten by one, that's how much I like them. So I'm not too fond of that guy Schrödinger. Luckily there's another example (maybe devised by a cat-lover) that shows much the same, and actually at the same time gets to examplify entanglement. Instead of cats you have two friends, two identical boxes and two equally proportioned balls, one red and one white. Your one friend now goes to the opposite end of the world while your other friend grabs the boxes and the balls and takes them with him to a place equally far to both of you and your first friend. He now puts each ball in each identical box and brings them to the post-office with a note, please mail these boxes to these receipients. The clerc then, upon coming back from lunchbreak, writes your adress on one box and your friend's adress on the other and sends them off in the system. A couple of weeks later each box have arrived at their destinations, half a world a part. Right now, *both* balls are in a superposition due to the Copenhagen interpretation. The minute - the second, nay, the split-nano-femtosecond - you open your box and look inside it, the state of the ball will decay into being either red or white. Just like with the cat and it's highly elaborate scheme to ensure maximum randomness. But on top you at the same very instant have caused the state of the ball that is in your friend's box to decay as well - even without him neccessarily having looked yet! Entanglement, ta-daa.

  • The Void Alchemist
    The Void Alchemist 26 days ago

    The machine releasing the poison observes the atom causing a collapse of the superposition, thus no quantum cat required.

  • Mark Marcum
    Mark Marcum 26 days ago

    Could entangled particles be connected by tiny wormholes? That would explain the instantaneous transfer of information? Sorry if it's a dumb question

  • Mark Marcum
    Mark Marcum 26 days ago

    Still watching the video and it's amazing! How about a collaboration with PBS Spacetime?

  • the_armada
    the_armada 26 days ago

    I know pilot wave theory makes certain things nicer to think about while makes other things messier, but I’m a Copenhagen man:)

  • Pat Black
    Pat Black 26 days ago

    Our theories are also “guided by aesthetic and pragmatic choices”
    I love you, SciShow. This is such a simple yet effective demonstration of just how foggy the frontier of our exploration of reality really is.
    It’s a strange world with stranger questions arising every day.

  • Dadson worldwide
    Dadson worldwide 26 days ago

    You still have to send the entangled particles to were you wish to communicate.

  • Walter Archibald
    Walter Archibald 26 days ago

    SHROW-ding-erz OR watch: youglish.com/search/Schr%C3%B6dinger/us?
    O watch:ru-clip.net/video/m7w3uDcIh9M/video.html 9GOOD CHOICE!
    oder (auf deutsch, mit umlaut): www.rightpronunciation.com/languages/german/erwin-schr%25C3%25B6dinger-3779.asp?id1=9&page=142

    This name is heard endlessly in American English (ex. The Big Bang Theory), using (basically) what I put first. It just "sounds right" to Americans.

    BUT, WHAT IS TRUTH? (Really wish Jesus had said that, rather than Pontius Pilate!)
    www.dictionary.com/e/video/how-do-you-pronounce-facade/

  • TheIntJuggler
    TheIntJuggler 26 days ago

    "Newtonian physics is weird" Quantum Mechanics

  • quest 77051
    quest 77051 26 days ago

    so does sub space exist or not.

  • Draws Gaming
    Draws Gaming 26 days ago

    What if the Pilot Wave interpretation is correct and locality must be sacrificed to solve the Bell Inequality?

  • John Galdino
    John Galdino 26 days ago

    Doesn't gravity according general relativity already break this locality rule? Is that why there is so much search for gravitons?

  • Saumitra Chakravarty
    Saumitra Chakravarty 27 days ago

    Correction needed at 1:37 - Something can be a particle and a wave both but NOT at the same time.

  • Jim Goltz
    Jim Goltz 27 days ago

    I thought the Copenhagen interpretation wasn't popular these days...?

  • El Triggered
    El Triggered 27 days ago

    Where’s Olivia

  • M ß Q
    M ß Q 27 days ago

    This video is definitely going to exceed 1M views in less than a month

  • Engin Haymana
    Engin Haymana 27 days ago

    Doesnt that just mean that we need better methods to "observe" particles, as doing so alters the results?
    We live in a deterministic world, so i find it very hard to wrap my head around that concept.
    Its like chaining the poison gas to the opening of the door. Sure, you have observed the status of the cat, but also changed the state of the poor cat. The original state has not been uncovered, but the information of that state is still there.

  • Keaton Smith
    Keaton Smith 27 days ago

    Pilot wave theory sounds like Dao.

  • Vitor in_Berlin
    Vitor in_Berlin 27 days ago

    I think it is important to keep in mind, that the different interpretations of quantum theory are models describing real quantum phenomena!
    Most likely, there is no definitive interpretation, because no physical (or - to my best knowledge - any other) model, was ever able to capture every part of the phenomenon it described in all detail on all scales.
    That's why science relies on various models of the same phenomenon, each with emphasis on different parts (or scales) of said phenomenon.
    The real question is, which models are able to coexist without fundamental contradictions to each other.
    I don't think that the different interpretations of quantum theory show these fundamental contradictions, even if that appears to be the case!
    The key flaws in humanitie's ability to solve those contradictions and create a more accurate approximation to real quantum phenoma lies in it's limited perception of the phenomena themselves and time as a phenomenon which is described by a model based mostly in human perception of it.
    My suggestion would be, that most of the different interpretations contradict each other, because the describe quantum phenomena with emphasis on their observed (or predicted) behaviour in different temporal dimensions.
    For example, lets take the many-worlds-interpretation and the wave-collapse-interpretation (or Copenhagen interpretation):
    The collapse of a wave function into a particle, or the termination of a state superposition in a particle and it's adaptation of a single state with an elimination of all other possible states, allows two (or more) interpretations based on how many temporal dimensions one can observe.
    Human beings experience time as one dimensional. Their frame of temporal perception is a single point on a line, where what lies behind is inaccessable and what lies in front is unpredictable but unavoidable.
    From this point of view the assumption, that every state of superposition we are not able to observe after the collapse of the wave function is eliminated from the equation, is fully understandable.
    But if we assume that time is/has a multidimensional 'structure' (which most evidence points to), and try to imagine what the collapse of a wave function looks like for beings with two dimensional perception of time:
    Instead of the 1D-perception of a moment in a timeline and the elimination of states in the collapse, a being experiencing two temporal dimensions, would perceive time as a (freely accessable) line in plane (with inaccessable parallel lines) and in this frame of temporal perception, the collapse of the wave function would most likely look like all possible states of the particle are spread among all the parallel lines, observable, but inaccessable.
    To summerize this:
    0. Quantum phenomena (and every other processes) occur in a multidimensional temporal structure.
    1. The wave-collapse-interpretation is a model, which describes these phenomena as observed in one temporal dimension.
    2. The many-worlds-interpretation is a model, which describes these phenomena as (likely) observed in (at least) two temporal dimensions.
    3. Each interpretation serves best, when applied in it's specific frame of perception and holds scientific plausiblility, when viewed in in said specific frame of perception, without contradicting each other fundamentally.

  • feekygucker
    feekygucker 28 days ago

    I always that Bohm rhymes with Ohm rather than Nom... but it could be me.
    Also... shout out to PBS SpaceTime that has a MUCH deeper treatment of this material over MANY videos.

  • Jacob Johnson
    Jacob Johnson 28 days ago

    I don't like copenhagen's. Its self-contradicting. That's logically wrong.
    Pilot wave theory doesn't break the law of non contradiction, its simply counterintuitive to how we are used to thinking of things.

  • Mick G.
    Mick G. 28 days ago

    "The physics of the super tiny" is the worst description of QP, I've ever heard.

  • Chillman
    Chillman 28 days ago

    It can't be predicted... yet.

  • Waylen Edge
    Waylen Edge 28 days ago

    This is by far the most dumbest video ever made!

  • Daniele Del Frate
    Daniele Del Frate 28 days ago

    First part of the video: well, this pilot wave theory seems legit
    Second part of the video: pilot wave theory is insane!

  • Shalkar
    Shalkar 28 days ago +2

    With String Theory there are multiple dimensions. Couldn't the signal be from one of those dimensions? Think of Night Crawler going through one dimension to go to another spot in ours. We just haven't figured out how to "see" the dimension... yet.
    Also, what if Dark Energy/Matter is playing some role in this?

  • SIIIOXIDE
    SIIIOXIDE 28 days ago

    Damm , here I was thinking I was the center of the universe this whole time :'(

  • TCOrigamist
    TCOrigamist 28 days ago

    But what if you were the cat?

  • Joshua Champagne
    Joshua Champagne 28 days ago

    I have a question on how to get around locality. If a wormhole can connect any to points in the universe, could two particles interact through a wormhole giving the illusion they are interacting across the universe faster than light? Can the particles on each side of the wormhole be considered local because they can interact? If so, any particles can interact with any other particles in space meaning any point in space would be local to any other point in space making all of space local.

  • Alexander Hugestrand
    Alexander Hugestrand 28 days ago

    Can someone please tell me why quantum mechanics and the wave particle stupidity isn't a shitload of crap, and why the following extremely intuitive explanation is?
    ru-clip.net/video/NJjO2J7HTF8/video.html

  • Kurei0
    Kurei0 29 days ago +1

    I hope you're getting a ton of views for this video because I swear I watched this a bunch of times to understand it lol

    • leslie sylvan
      leslie sylvan 27 days ago

      You would have increased your learning curve out of the box. Meow!

  • Rollinestilo
    Rollinestilo 29 days ago

    Many Worlds?

  • Phat As Phoebe
    Phat As Phoebe 29 days ago

    Both theories are flawed because they are dependent on the assumption of individuality between particles, energy, matter.
    There is no “signal” traveling faster than the speed of light, they are the same particle, experiencing different realities, within the same universe. *Both* realities are true, as they are when observed.

  • John Smith
    John Smith 29 days ago

    Pilot wave is my favorite. I'd pursue it if I was a physicist.

  • John Smith
    John Smith 29 days ago

    If there are waves in an ocean, I can send out two croc shoes in opposite directions. They will both be effected by the same waves. So even if I can't see the wave directly I could infer the waves by watching the flotsam.

  • zoperxplex
    zoperxplex 29 days ago

    "There are a number of different interpretations of quantum mechanics." Sorry Hank, "a number" is singular. LEARN GRAMMAR!

    • zoperxplex
      zoperxplex 10 days ago

      Chrome Cobra pay close attention pinhead. It is irrelevant if the subject is plural if the sentence is referring to that subject as being comprised of a singular group. For instance, if one says "a flock of geese" that flock is still singular notwithstanding the fact that it is consist of a multitude of geese.

    • Chrome Cobra
      Chrome Cobra 20 days ago

      And it's "Sorry, Hank, ..." so YOU need to learn proper grammar. You cannot even grasp it within your own comment.
      Stay stupid on stupid channels. Leave the smart stuff for the adults, kid.

    • Chrome Cobra
      Chrome Cobra 20 days ago

      But because "interpretations" is plural it makes it correct English. It says, in kindergarten talk so you comprehend it, that there are many individual ways.
      Ignorant.

  • Saarang Sahasrabudhe
    Saarang Sahasrabudhe 29 days ago

    ru-clip.net/video/LQxMEHUmnXQ/video.html Here's a version of Pilot Wave that does not break locality

  • KillAllBots 101
    KillAllBots 101 29 days ago

    8:51-9:00 Maybe we really are in a simulation.

  • gdpr
    gdpr 29 days ago

    wtf, if you are stupid but you dont know it yet it does not mean you are not stupid !, how does the pilot theory has anything to do with locality ?!, or your missinterpretation of it ? wtf is wrong with you , haa ? if you spin 2 electrons in opposide directions YOU ALREADY KNOW THEY ARE SPINNING IN OPPOSIDE DIECTIONS, you just dont know which one is spinning in which direction, so as soon as you find the spin of one electron you combine that WITH THE INFORMATION YOU ALREADY HAVE and determine the spin of the second one, this has nothing to do with locality, it does not matter where you Move the second one, you already have the information. htf can smart people be this dumb ? are you so desperate to fin an explanation that you simply ignore parts of the ecuation to fit the result you already expected ?!

  • Tim Harris
    Tim Harris 29 days ago

    So... your telling me we have a way to make undead cats?

  • Rev Lemmon
    Rev Lemmon 29 days ago

    Didn't Einstein call quantum entanglement spooky action at a distance?

  • Greg Neyman
    Greg Neyman 29 days ago +3

    Don't quantum computers depend on superposition to work?

  • MiserablerHurensohn
    MiserablerHurensohn 29 days ago

    If you don't check the cat box for a long time and you start to smell a decayed cat, is there both a dead cat and a smelly cat in there?

  • Skylar O'Connor
    Skylar O'Connor 29 days ago

    Is there an episode where everyone on the SciShow team or teams is introduced and their credentials, ocupations, etc. are introduced to the audience? If not, can we get one? I'm very curious about who everyone on screen and behind the scenes are and what they do. I'd also like to know what kind of education everyone has. I'm not trying to imply anything or upset anyone, I'm just curious.

  • Skylar O'Connor
    Skylar O'Connor 29 days ago

    Can anything other than light behave like both a particle and a wave at the same time? At least theoretically?

  • richard bidinger
    richard bidinger 29 days ago

    Well, wouldn't quantum entanglement solve that one little problem.

  • Sean Peacock
    Sean Peacock 29 days ago

    This is why Death doesn't like Shronenberg.

  • Domenick Palmieri
    Domenick Palmieri Month ago +2

    Hank's comedic timing is very underrated I think

  • SomeDudeOnline
    SomeDudeOnline Month ago

    How does Copenhagen make more sense? It's just saying that locality isn't a thing sometimes because we don't want it to be all the time... right?

  • H H
    H H Month ago

    How about the cat's observation? The cat observes the state in the box and thus the state becomes one deterministic state once observed. So the cat is either dead or alive in the box not both.

  • Lightning Larry
    Lightning Larry Month ago

    This theory is grounded in sound research

  • anthony newton
    anthony newton Month ago

    It really isnt rocket science. Weve been programmed to over complicate the basics that make our reality.
    Nature is the true laboratory

  • anthony newton
    anthony newton Month ago

    I have a strong hunch that everybody has missed the point.
    The quantum state exists in one place only.
    Each persons individual mind.
    The cats status is set,it is dead or it is alive.
    Each individual conciousness that is aware of the box and its contents,is where the superposition exists.
    Not a huge leap to understand the links to a multiverse theory that works. If you think hard enough.

  • Tim Davis
    Tim Davis Month ago

    Yes but why are these theories based on observation?
    Copenhagen theory violates locality based on the idea that a particle requires observation to establish superposition. No other interaction is required beyond observation...
    And the Quantum Gravity theory requires a conscious observer but points at the universe as a conscious observer...

  • Giordano Tanora
    Giordano Tanora Month ago

    many worlds > copenhagen

  • TheKing Olaf
    TheKing Olaf Month ago

    Schrö-ding-er (ding like the sound when the microwave is ready)

  • J Attitude
    J Attitude Month ago

    Time: 7:30
    Does that suggest that all things affect all things consistently all the time?
    Is there a test that we have not mastered or cannot do now, and or can not think of to test?
    What things are we testing with bios too?

  • J Attitude
    J Attitude Month ago

    Maybe you like this:
    How do Spacecraft Photograph the Planets & get the Images Back to Earth?
    ru-clip.net/video/rrD1oe5_zvw/video.html

  • jjhack3r
    jjhack3r Month ago

    Why do you guys all talk the same?