How To Understand Quantum Superposition
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- Опубліковано 29 лис 2016
- In this video I talk about quantum superposition. This one is a little more in depth than some of my other videos. But I love quantum mechanics so I thought I should make a video about it. I use what I think is the best explanation for superposition. Superposition is at the heart of quantum mechanics and it was difficult to cover in just 10 minutes. So if you have any questions feel free to ask me in the comments section below!
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I invented one word to discribe my feeling right now, superconfusion
Woooooooahhhhh ahhhha ahhhhhhhha hahahhahahahhah!!!!!! Now i am in Superfunny state (a quantum state yet to be discovered by scientists! ) But that was a nice one dude! 😂
every one here seems student too
am not in physics stream, still... checked out vdo, understood, commenting what's on mind
just curious, what age group is it here
my nature go like this guys and ladies, psychology student👌🔥
from now on i will not use superhilarious same as before :( :)
I am understanding of this and all it’s principles
OH PLS JWJSJSJJSSH
Only a true scientist would explain things in terms of hard and black, soft and white, and never laugh once.
I think he took this way of explanation from an MIT course. the Teacher from the coarse was laughing a lot at everything by the way.
were you getting turned on by his voice?
And not realize the answer has two questions both true and false. That's what happens when you let people throw around terms like "infinity" or "truth" without a doctoral degree in Philosophical Mentalism. I mean, they think they can just discuss these complicated issues they don;t even understand because they have a degree in "Classical Physics", that version that only describes half the answer and doesn't understand why it never works when blown out to scale. You thought as above, so below was a reference to heaven and Earth? Geez.
Guys, you are being trolled. The old professor is totally fucking with you right now and you are just playing along. Quantum reality is not subject to the binary logic of your minds. True or false isn't enough options. You CAN use paradoxical if you promise not to douche out on it like Aristotle. The answer will, like all concepts in a dualistic reality have two correct answers one the polar inverse of the other and both true and false depending on which point in space time they occupy. Doesn't that leave a true and a false answer as possible, yes both are certain either is impossible. No it leaves two true AND false answers with infinitely many variables acting as inputs on the experiment,. In other words, you cannot, and will not be able to resolve a true or false answer, that is only possible if you were aware of all the inputs that have acted on the object at every point in space at every point of time until the proposed observation of the wave that carries its data. Oh, and all is STILL sound. Or waves. Particles are just "anomolies" you experience when the light exceeds that " Speed limit" we put on it to make Physics work. What's in the spectrum beyond it? Matter. Matter is just a condensation of lower frequency waves, in exactly the same way that the audible spectrum if transposed 44 octaves up becomes visible light of the same frequency.
And I'm 50% correct on that at best. ;) i wouldn't listen to me. But the next time some 25 cent Granola hipster tells you to raise your vibration, you ask them, "Why does it matter?" And then promptly start lowering it. That white light you wanna head into? It's gonna be a tight squeeze, just saying.
Oh wait this was a BBC joke, wasn't it? Sorry, slow on the uptake. lol ;)
@@ianbortolotti6520Are you saying it's all predetermined if so and claiming it to be True. The moment you make a truth claim you rise above the bondage of total subjectivity therefore violating predeterminism. I'm saying that in regards to you talking about truth.
I was everywhere, until you read this.
i get it
turn this guy into a qubit.
c4rlo Rossi you would still be everywhere even after I read your comment.
yeah we were in superposition lol
Yes.
You are genuinely superb. I’ve spent almost all day jumping between articles and videos trying to understand how all of this fits together and you gave me the lightbulb moment. Your explanation is so clear and well explained. Thank you so much!
So basically not even the scientist know wtf is going on
Babla that’s the what every scientists job is. Lol to give definition to the things we don’t understand while they themselves don’t understand either. “We’re all just an advanced breed of monkeys” xD
Did you make your profile picture? If so what program did you use?
@@KissingUnderStarlight True..we might not even be advanced, just neurotic.
BEEN SAYING THIS... and they try to force feed there bullshit to the population as fact.
CEEAKI 22nd century you’re not a smart one, huh
This was well produced and very informative. Thank you. I may just begin to think I might believe I will consider the thought of possibly understanding the basic concept of superposition
Yes, he did a great job breaking it down and explaining the experiments.
You had me at "There is a hard hole and a soft hole."
"soft white,hard black"
Hmmmmm
I believe this is evidence for our reality being a type of simulation on a level we can't comprehend. This strikes me as a system attempting to conserve resources until they're needed.
@Strine And yet we have a brain able to illustrate the incomprehensibile, and communicate an unobservable condition. "Brain" and "Not-Brain"?
Wouldn’t the creator of this simulation already know exactly how all of this superposition stuff works? If they already knew they’d also know how all particles will behave at any point of time in space meaning they’d already know what will happen. A simulation is created to be observed, why observe if you already know the outcome?
@@aisham.7406 The condition is altered by the very fact of it's being observed.
@@aisham.7406 That's exactly what I thinking about
@@aisham.7406 If it's a simulation, then we're creating it as we observe it, and we're recreating the changes as we move around in it. It's just so annoying that it changes its positions every time we blink!
Whenever I look up something somewhat science-y, this dude explains it, and honestly, I'm not complaining. It's kinda cool.
"When we don't mesaure it it doesn't have a real world equivalent " that sounds like a optimization for simulation
So it don't calculate every single atom it just calculates the ones we interact with so it needs less computer power to run " The Universe Simulator "
Batuhan Aydogan or our technology just isn’t advanced enough to calculate or measure it 🤔
@@KissingUnderStarlight that is not the case. The Heisenberg uncertainty principle arises, not because of some fault with our instrument, but because it is the nature of the quantum world. The moment you shine a gamma ray on some subatomic electron, the light will impose its momentum upon that particle and inherently change the system. There is nothing we can do about this fact because you need light to make that measurement, but it also changes the system, hence where the uncertainty arises
@@matthewbarnett3540 But surely just because we cant measure it, doesn't make the electrons position uncertain. Just like if no one hears a tree fall, does it really fall? I would argue that us not hearing it or measuring it doesn't mean the tree or electron is uncertain. Only to us is it uncertain. I would like to understand this further so please help.
@@robbieop7935 That is not the case. It is the inherent fact that electrons and photons are waves and how do you confirm the location of a wave? you can not. The best way to do this is the fourier transform where you use the concept of wave interference to locate the electron to the best of your ability. However, the way this is done is by stacking one frequency on top of each other until the wave cancels out to its minimum. By doing this, you have used several light waves that vary widely in momenta. This is where the HUP comes from.
@@matthewbarnett3540 Thanks for replying. So the uncertainty principle comes from the uncertainty in the measurement?
Thank you for this video. I'm no physicist but I understand the explanation of superposition and the basicsof how it was measured now. Amazing!
This is the best video explaining uncertainty principle, superposition, and collapse (barrier = detector)! Thank you, sir!
You did an excellent job of explaining this.
i liked how you also teach viewers in an offhand way about the Heisenberg Uncertainty Principle plainly and clearly.
Impractical Jokers anyone? 😂
Yes. Hahaha
I’m glad someone came here from the science episode. 😂
Yes , I just had to know what this was.... impractical jokers influenced me!
😅😅😅 thought i was the only inspired by the impractical jokers to come here
Guilty
Good explanation. Good job of presenting the essence without confusing detail. Thanks.
Fascinating stuff. Now I'm intrigued to learn more. TY !
that was a good explanation. it's bizarre that no one explains the fundamentals why the equations were created to begin with and never discusses about these important fundamental experiments. would be great if you made a part 2 video showing the actual experiment.
Bruh this is why I always say that physics is just magic with too many rules
And magis is just a sanseless physics
not in modern physics, those are not hard to understand
I like how you thank us for trying to understand this. Nono good sir, thank you for this amazing lesson.
Congrats very well explained! Loved it
I'm uncertainly certain that I should thank you so much, for sharing that, in an excellent presentation! Wherever you are, since I can't observe you at the moment. But seriously thank you for such a wonderful presentation. .
This thought experiment reminds me of the triple polarization experiment. Place two polarized lens at 90 degrees and it will block out all the light, but place a third polarized lens and somehow light will shine through.
I like that one too. Minute physics has my favorite video on that. I just wanted to mention, this is not a thought experiment; it's a real experiment with the measured qualities simplified for explanation's sake. It's the results of the Stern-Gerlach experiment originally. But it's been repeated other times.
Okay, a very good and clear presentation of what occurs. I very much like the thought that superposition is a word for something not existing in the macro world. Thanks.
I was sitting down and talking to my dad about the universe and how big it is and how light works and yk that kinda jazz but then my friend brought up other dimensions and honestly I’m loving the thought that there can be so many realities. I could not even exist rn nor you. You can only be sure that you’re real but not to sure that others are and for them it could be the other way around. I’m loving just thinking and talking about it even if it’s over and over.
Great video and a great explanation!
Thank you! This was a very clear explanation for beginners like me
Wow this video really solidified my understanding, before watching I kind of had a brief idea but did not really know why people were saying that the electron can be at any point, I thought they meant
it was just in some random orbit position, I never knew there was such thing as a superposition and why the term was created. Thanks
Same here.
Now we understand it, at least we know why we dont understand.
I just dont understand it a bit better.
I watched hundreds of videos explaining about it and this is the best video for real
Thank you for explaining this so well.
Well done the best explanation yet easy to understand.
Really great explanation, thank you
was studying random variables for statistics, and this reminded me of it!
This was really helpful - thank you
Oh yeah! That totally cleared everything up! I might be able to understand this, maybe if I could be stoned and straight at the same time.
Wow, I find it REALLY hard to take it in! !! I am stuck by the thought of something not existing unless it's perceived...I think that's what the video said? I will have to watch it again. Thanks!
And just to throw a wrench in gears, quantum entanglement suggests there are even more subatomic particles that phase in and out of our dimensions just like the electron phases in and out based on energy fluctuation. Unfortunately, we can't fully measure the quark's phase because "dark" energy and dark matter seem to be the universe's core structure, almost like a brain cell. Even allows information (quantum entanglement) to spread like a neuron. Fascinating.
I love quick bits like this video, it keeps your thinking muscle toned.
Puts a new slant on 'as above so below'.
(First of all, I don't know anything about physics). But funny that you mention neurons, I read about scientists who used supercomputers to look at what structures dark matter forms in our universe and it reminded me very much of neurons, of how they are interconnected. www.cfa.harvard.edu/news/2020-21#:~:text=Using%20the%20power%20of%20supercomputers,matter%20in%20a%20virtual%20universe.&text=Over%20time%2C%20haloes%20formed%20as,to%20their%20own%20enormous%20gravity.
My chem teacher told me in 8th grade that what u dont see is not there and ofc i didn’t believe him, but the more i learn ab quantum physics the more I do, this video definitely helped me get a better grasp as to what superposition represents
Good morning Mr.ActionLab Vlogs, thank you so much sir for explaining quantum superposition clearly.
Awesome to see Google recommend your videos Action Lab Team!
I got this video after only searching for _Superposition_ making this video the 2nd result for images
So basically if a tree falls in the woods and no one is around to hear it fall, then it doesn't really make a sound.
If everyone is inside during a bad storm, why do you still hear lightning strike? Science needs to stop with this blind philosophy thinking
Well no. The sound is the viberations hitting our ear drums so if noone was around it would only make the viberation.
people are forgetting about complexity. there are certain things that will always become "measured" if a tree falls in the woods. the fact that a lumpsome of tree, is hitting a lumpsome of ground, causes the lumpsome of air to vibrate. Sound is created in the vibrations of the air, thus is measured. Electrons, and photons, in a controlled environment with nothing else to interact except what we choose to measure with, is a different story alll together. The tree comparison is too dumbed down for this phenomenon
you could place a device to record or later find evidence of the tree falls even if no one was anywhere near it. which cannot be done on the electrons.
Wrong. As any neuroscientist knows, what we experience as sound is a construction of the brain. In the external world, there is no sound. Sound waves are utterly silent - they are little more than propagating waves of energy. It gets worse: nor is there color or odors. Cheers.
I fell like quantum physics confuses the word "every" and "any", when it comes to this.
An electron could be in any position, not every position at once. Just cause you don't know doesn't mean there isn't a specific answer. There are multiple opportunities, but one of them is definitely correct.
All quantum particles can be in the same place at the same time. That's the entire point of superposition. "Opportunity" is called potential.
@@thegodofmarch2218 if an electron were ACTUALLY in all places, then we would find it in ALL the places, not just one place. If it were literally in all the places at once, it wouldnt be just one electron, it would be many electrons. It is simply the probability of it being in a number of places, until you observe it and actually see where it is, after which it then loses it's probability. Which is the crux of the mystery
@jacob yeager If anybody could prove that the particles aren't all in the same place at the same time, they'd win a Nobel prize.
You've over estimated your intelligence and underestimated that of the brightest minds humanity has to offer. It's not that simple, you haven't grasped the complexity of how these electrons behave.
@@markayb6254 Thanks for the compliment, but the aim wasn't to showcase my intelligence.
Please explain, because I'm open to hear how something could both be alive and dead at the same time in the real world.
At this point I am tired at trying to search for an answer on this...
Fantastic explanation.....Thank you
This helped A LOT!
wow very informative! loved it! keep them coming!
That was good, I got it. I would suggest moving that last part about electrons already in a superposition to the front of your video and then show your example. But good.
dude this video is pretty great
that helped a lot, thanks
Bruh i thought that i was an idiot, until the last 30 secs and then i realised, that i actually understood what you were saying lol
Thank you! That helped alot
Well done! I've been looking for a thorough explanation of this, but all of the well known physicists have failed. Which leads me to believe that most of them don't truly understand it, but instead just repeat things they read in scientific publications.
You truly believe the best scientists in the world don't truly understand it, because they only discuss with their peers? They have no real use to spend their time trying to simplify the concepts so people that do not work in the field can understand. Your conclusion would be that most youtube channels that dumb done some theories understand more than the scientists that compose the theories.
This gives me simulation theory vibes. If the universe were run on computing power it’d be a waste of that power to render these kinds of subatomic details unless that’s specifically the thing being focused on the “subjects”. Am I on to something or am I dumb and not understanding? Good video
It’s 00:30, I have to go to a train tomorrow, and I’m watching a video about superposition
I have the same problem with USB ports. It takes 3 flips to get them to go in properly, but only after the second do I look. Is it possible for this to manifest at a macro scale?
I lost an hour long video on this concept so I went looking for it and found this one yay only 10 minutes
Now that really made me stop and think. Very cleverly described
So does that mean there is an ether-like world that electrons reside until they're measured; or can we say brought to this dimension? Until they're observed, they tend to give out a median result. And once you start to play with them, since they're brought to earth, they tend to move according to the law of our world. Double slit experiment is an example that may be used for unimaginable things in the future.
When he is explaining the concept of "there is no way to simultaneously measure both color and harness" (minute 4:24 or so), it helped me to think as if the act of measuring the harness RESETS the previous measurement of color. The same happens the opposite way: by measuring the color, the hardness data from before is automatically RE-SETED to 50white/50black. It seems to be assumed that the electron, at that state, cannot hold these two truths at the same time. I could be totally wrong, I didn't even finished watching but who knows....but using the term reset helped me in my own confusion, might help someone else...
But do you prefer it soft and white or black and hard?
Congrats u figured out Heisenbergs Theory of Uncertainty
WOAH
That’s a good explanation
That's because to measure a property of subatomic particles, you require some kind of information or energy, and let's say you want to measure the color of the electron, you need some electromagnetic radiation from it and the electromagnetic radiation emitted from it will change its hardness.
Color and hardness is the spin of an electron in two axes and so they are interrelated and any change to one will change the other.
This is such a radd video. Thanks
This was quite interesting! I'm actually in chemistry now (well, not right now, it's after school, but I am taking it) and I've been interested in learning more about it, since the other kids take their time on understanding (to put it nicely). I also tried to read about this in one of our textbooks, but I think my family and I had to do something... But anyway, this did help me to understand quantum physics a lot more, plus I read this book that pretty much revolved around it and I had a question that was answered in this video, so thank you!
Good, I'm glad this helped. This video was a little more in depth than my other videos, but I'm glad it helped at least one person!
Every Kind Of Scientist It was a great video! I hope you make more videos like this, depth wise I mean. I love your channels, by the way!
Every Kind Of Scientist Thank you for your awesome videos!
is this the same behaviour the electrons behave a certain way when monitored by humans but otherwise when not?
I try to avoid hard holes, but I'm all about the soft holes.
Thank you for the explanation it's supercool 😅
Thank you thank you thank you! You're a superguy!
Fascinating! Do all particles go back into superposition as soon as you're done measuring or only once you measure another aspect?
I think it goes back. I mean if not the result of the second experiment shouldn't have been as described
They're always in a superposition state, they just record what state they're in when the do the reading.
I finally get it. We know WHAT superposition is, but we have no idea HOW superposition is. We know what it's doing, but not how it's doing it. That's beyond our comprehension. But it doesn't mean we can't use it, like a caveman using fire but not knowing how it works.
Dude , you changed my life . You have no ideas what I am saying. But you must give yourself a treat..
Ok so im doing a project on quantum computers and they use superposition with entanglement which made me wonder, with two entangled electrons, couldnt u put them through opposite boxes to determine the density and color at the same time
Superposition is the idea that the overall state of a system is the summation of the states of its smaller parts. In math terms, if A and B are both solutions to an equation, than so must A plus B. If two waves are the solution to the Schrodinger equation, than these waves must superimpose into a wave that is also a solution.
this was easy to understand! thank you! though, with a few playbacks.
Haha he said soft hole
Nico Flihan black and hard...
Man, you really dated yourself with that one Beavis.
I had a hard time keeping up, but the thing I can't wrap my head around is this. Why would the color statistic of path 1 and path 2 be considered 50/50 when we already know that the electrons put through the hardness box are 100% black, since the paths diverged in the original color box?
I think it’s because he stated that you can’t determine the color of an electron based solely off of its hardness. And vise versa, you can’t determine the hardness based off of its color..? I dunno. I’m just as confused.
Nicely explained. I wish this channel existed when I was doing my inter. I hated chemistry so much. 😂😂😂😂
Does that mean if you put all 800 of the electrons through colour boxes, and hardness boxes enough times, in a curtain order, you could potentially end up with 800 black electrons?
awesome!
Great video
Hey, what if separating these electrons in hardness box caused some electrons to lose the normal repeltion between them causing enough force that 50% electron's color( spin) is changing, that why now again we get 50-50% in color box output while when in second case the 50% soft electrons join 50% hard electrons, cancelling that changed effect making them all black once again?...
Is the problem with measurement the fact that the electron becomes entangled with the measuring photon?
Might it be _theoretically_ possible to measure an electron with gravity? (thinking that gravity wouldn't interact?)
This is interesting. I left with more questions.
When the value of the position is always uncertain or in superposition. Doesn’t that mean that everything you measure it has a different value or we don’t really know what causes its value to change?
I have a question that what were the spins and axes referred to : the hardness or the color
Who’s here from impractical jokers 🤣🤣🤣
“I can take it or leave it”
Ok dr robot 😂
The world spins something don't😂
So is it the position of a particle set in an infinite amount of places until it is forced to be set in a position with a comparison or until it undergoes our observance?
Bro thank u so much
Is there no way to track individual electrons' properties throughout that entire experiment's process?
So this pretty much proves that we live in a simulation. The atom only gets rendered when we look at it like in a game.
Im currently writing a paper on quantum computing and ive just got a few thoughts, which ive put in a very uneloquent way:
what if these particles are not defined in a moment of time, not just space, so when we measure them in our macroscopic word, where the larger scale something it the more defined in time and space it is, it is forced to or at least observed in a moment of time which gives it its defined position, the same of course could apply to qubits. if quantum effects are not defined in space and time the way we see the world, it could explain not only superposition but quantum entanglement. As humans we try and force things to conform to our physical understanding of the way things work, and so we even try and do the same to quantum effects, so we theorize that there could be wormholes that connect things etc.. because we are trying to find a way of explaining things that our brains can process '' ahh well if that exists then that would logically explain why this behave in that way''. I believe we may be approaching this in the wrong way, just as a classical computers could take millions of years to solve problems a quantum computer could solve in seconds because of the way they process information. I believe that we are the classical computer.
Forgive me if I just missed a part, but if it goes through the first color box and you only collect the designated black electrons, it would be half of the electrons (400), then if you put the same black electrons through the hardness box and collect both the soft and hard ones, wouldnt it make sense to still have 400 black electrons? If its not too much trouble can someone explain what I missed in this? (Not trying to be a smark aleck, I'm just confused)
Ok so what your saying is that the position of particles is not known until it is measured. What I don’t understand is what determines the position of the particle once it is measured? If it is in a superposition until measured, once we measure the particle and find its position what determines the position of that particle?
It completely follows a random distribution. The only thing you can predict is your chance of measuring it at a specific location. But there is nothing that can predict exactly where it will be even if everything is know about the system. Nature is probabilistic.
ActionLab Vlogs is exactly correct. To answer differently, the measurement itself defines the measured position. Prior to any act of measuement, position was indeterminate. Not just an unknown, but impossible to state as anything other than a probability distribution. Even then, the "probability distribution" is where we might find the position to be upon measuring it--the probability distribution doesn't actually say anything about any "actual" position prior to the act of measurement.
The nice thing about spin is that this quality does not invoke our intuition the way position and momentum do.
Video: black hole, hard hole, soft hole
Me: I hate my mind
Thank you
Does this paradox (in any of its applicable iterations) step up and knock on the door of quantum theory? Could not a 12th rule be ADDED that just "allows" the dichotomous nature of set superposition?
Can somebody plz explain to me
He used Heisenberg uncertainty principle but does not it apply only to momentum and position or for that matter it applies to any 2 property in quantum mechanics?
at 6:20 , He says that all of the electrons that came out were Black, But isnt that the only possible outcome since at first, we've filtered out the White Electrons, so getting a white electron from the last Color box implies that the Boxes arnt efficient enough
Also MIT has a lecture about superposition i highly recommend it.
Give us the link to that lecture if it is there
Of course in the comment section
Ive had it be explained that every posibility happens at once untill its mesured, then when its mesured the universe makes a last second disision between every single posibility, is this true?
That's an interpretation of the results. I think it's a poor way to interpret results, but it's logically consistent, like the other interpretations that are commonly advanced.
i dont think so...
what if i am following all the electrons all the time, do I see some of them changing color, or do they start going the same way at the end??
If you're following them, then technically they're being measured, or "observed". When this happens, they behave as sepcified by the boxes, and you can observe whether they are hard, soft, black or white and which path they take in the boxws. Superposition only occurs when they are not being measured, and then their perametres are not yet "decided". Hope this helps.
This is the kind of stuff that makes my life meaningful...
sounds great to read dear
keep it up
stay blessed, beautiful you👌
Sounds like the mirror in the end messes up the behavior of the electron, like with those 'sunglasses' that remove reflective light and you can see into the water. What if you would that mirror between box 2 and 3 before box 1, will the electron still behave as explained with 50/50 ratio in box 3?
That's what I see from the diagram too. The mirrors are interfering. Wonder why they didn't run consecutive color or hardness boxes, or consecutive boxes with mirrors that recombine them.
Great explanation!
Rick Sanchez no it isn't I'm sorry