Double Slit Experiment explained! by Jim Al-Khalili
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Double Slit Experiment explained! by Jim Al-Khalili

November 18, 2019


I’m going to explain [to] you. What’s Known as the central mystery of quantum [when] I was a [richard] [Fineman] the American physicist said this is the central mystery of Quantum Mechanics there’s lots of weird stuff [that] goes on in the quantum world Hit you with this and it basically tells you what it’s all about. It’s called the two-slit experiment I’ll start with this imagine you have a source of light shining against the screen with two slits now for dependence in the audience this source of light has to be Monochromatic light light of a particular Wavelength well where’s of course a light bulb is white light and that’s made up of all the colors And [spectrum] lots of different wavelengths, but imagine this is just a single wavelength of light And you can see the like is coming out in in waves like like Ripples in a pond that’s the nature of wave-like behavior as the light hits the screen it Squeezes through the two slits and each slit in turn on the other side becomes almost like a new source of light and the light spreads out it diffracts and as the waves of light overlap They will interfere with [each] other. So where a crest hits a trough. They will cancel where crest hits a crest they will amplify and so on and so [on] the back screen you end up with what’s called an interference pattern a series of light and Dark Fringes where the waves have either canceled out or Worked together in Phase that’s fine. That’s not quantum mechanics. That’s a Property of light that goes back over [200] years that we’ve known about since the early 19th century Imagine doing the same experiment again, but doing it not with waves, but with particles Do it with grains of sand so this is the same experiment, but I’ve tipped it 90 degrees Rather than waves that are spread out that wash up against the two slits and squeeze through Here you’ve got individual Particles of said and each particle will either go through one slit or the other and so you see there will sort of drain through And you get two bumps underneath each of the slits so the two peaks is reminiscent of Particle-like, Behavior, Whereas the the multiple Pattern of interference is wave-like behavior What if we do the same experiment with atoms? Well, so imagine we have an atom gun something can fire Atoms as a stream of atoms you can’t see them because [it’s] very small Let’s block off one of the two slits So these two slits are you know the the dimensions and separation of the slits is chosen appropriately to show us how atoms do things and so far so [good] nothing strange here, you’ll see a lot of atoms hitting the back screw, so this will now have to be some sort of photosensitive screen where Whereby when an atom hits it they’ll it will give off a little flash of light to say the atom has arrived here so the atoms are arriving as these little pinpricks of light that we see of Course a lot of the atoms will be blocked by the first screen. They won’t go through [that] slit But those that do get through to the other side you can [see] there’s a bit of spreading of the atoms But if we didn’t know anything about atoms you say well, that’s fine We can understand that some [a] lot of the atoms are going clean through the [slits] some are sort of maybe bouncing off the edge of the slit and so They’re sort of being deflected a bit. Which is why you get a bit a bit of a spread? The first mystery of Quantum mechanics comes when we open the second slit Because now we see something that’s very much like the interference pattern we got with light rather than having two bands of Spots where the atoms have gone through the two slits it’s as though the atoms have gone through the slits behaving like waves and And into [and] and you get interference of the waves and you get these Bands if we know nothing about atoms or quantum mechanics You could try and rationalize and say well, you know maybe atoms behave in a very strange way and Only a certain number of them are allowed to all sit together And so you know me and my gang we all going to go on this slit, no Sorry no room for you. You go next lit above and by the way. There’s this rule that no one can go in Between the two met [bands], but a few naughty atoms do so there’s a bit of a scatter. Yeah, we don’t there could be some forces between atoms that make them coordinate their actions in a way to give this pattern That’s not mysterious. That’s just we just don’t know how atoms do things, but we can be clever and we can force the issue What if we were to not send the atoms all through at once, but send them through one at a time Leave enough of a gap for the atem to get through to hit the screen of course as I say some atoms will Hit the hit the first screen and not get through but those that get through will hit the back screen so let’s run the experiment again slowly and Gradually you’ll see as the atoms go through they’ll be Look like they’re just randomly arriving on the other side you keep sending atoms through one at a time and gradually That same pattern appears so each atom by itself is Somehow contributing its small part to the overall Wave-like behavior that we see in the interference pattern How does it do it how does? We know the atoms are tiny? Localized particle. We can’t say it’s too small to even see under a microscope. [we’re] firing it at the screen with the two slits Some moment later you see a flash of light on the back screen. It’s arrived in a localized point It’s not spread itself out you Don’t get so like a wash of a sort of a faint light across the whole screen so a little point the atom is localized arriving in a certain location and yet It somehow seems to have been aware of there being two slits not one Because it’s given [rise] to this interference pattern how does one Assam do that does it split in half does it become like a cloud [that] goes through both well we can try and be Even cleverer, what if we were to spy on the atom and see where it goes? We’re going to gently just observe which slit it goes through So you put a detector? Just above the upper slit that will flash or beep Whenever it sees an atom go through that top slit Sure enough you fire the atoms through one at a time 50% of the time the detector will beep The other 50% of time it doesn’t the assumption being that the atoms has gone through The lower slit but of course I’ve been cheeky here. I haven’t shown you [the] results of the experiment That’s where you get 50% of the time it beeps, and you see a spot arrive Adjacent to the upper slit the other half of the time It doesn’t beep but you see a spot arrive at the lowest it. So yeah it’s picked out the atoms that have gone through the upper slit and Not the ones that go until each atom does go through one slit or the other But that’s a different result to what we had earlier So here’s the last bit of sneakiness that we can play with atoms surely now. You know we’re going to get to grips with it Leave the detector there, but just very quietly go and unplug it Don’t let the atoms know that you’re not spying on them Make them think that you’re still detecting them [someday]. Yeah, okay. We’re gonna run experiment a soms, okay get ready one at a time We’re going to be checking on you Alright, so run the experiment again now if you can explain this using common sense and logic Do let me know Because there’s a nobel prize for you Quantum [entanglement] is the idea that particles however far apart? They [are] Still somehow their fates remain intertwined they they are still aware of each other’s existence

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  1. They need to test this experiment on humans. this experiment should
    include hundreds if not thousands of people. Doing it one person at a
    time, you would need a room with a starting point and an ending wall,
    the ending wall will have two doors at it unknown to the person(a blank
    wall with two hidden doors) just like the two slit experiment the
    atoms/photons do not know what will be where they will hit. Tell the
    person to walk to the wall at any point of their choosing. Once they hit
    the wall take note of their position relevant to the wall where they
    stop. If the person hits a point in the wall where one of the hidden
    doors are, open the door and tell them to continue the walk through the
    newly found door till they hit the next wall. When they hit the new
    position on the other side of the door to the wall take note. I'd love
    to see what an experiment like this on humans would reveal.

  2. they should also take into account that some of the particles may come
    into contact with the edges, or their gravitational pull of the slits
    which would change their trajectory. With two slits having particles
    pass through at the same time with changing trajectories they will
    definitely have the Possibility of interactions as if waves. I'm no
    genius so only take consideration with my words but with two slits being
    their only possible way through and the edge of both slits only having
    only so many possibilities of changing their directions that should as I
    imagine having only so many ways they could end on the other side or
    collide and change each others direction. which could be the reason we
    see patterns. my point is, it may not be the atoms fault but maybe the
    slits that cause what we see as waves. maybe the "wave like patterns"
    are only an illusion caused by how the atoms pass through the slits.
    just like they seem to know we are observing them when we use detectors.
    in reality the detectors just have an effect on them.

  3. they should also take into account that some of the particles may come
    into contact with the edges, or their gravitational pull of the slits
    which would change their trajectory. With two slits having particles
    pass through at the same time with changing trajectories they will
    definitely have the Possibility of interactions as if waves. I'm no
    genius so only take consideration with my words but with two slits being
    their only possible way through and the edge of both slits only having
    only so many possibilities of changing their directions that should as I
    imagine having only so many ways they could end on the other side or
    collide and change each others direction. which could be the reason we
    see patterns. my point is, it may not be the atoms fault but maybe the
    slits that cause what we see as waves. maybe the "wave like patterns"
    are only an illusion caused by how the atoms pass through the slits.
    just like they seem to know we are observing them when we use detectors.
    in reality the detectors just have an effect on them.

  4. each elementary particle has a spin. No spin is the same at any point in time ei. arriving at the slit. The spin induces an magnetic field around the particle. The magnetic field interacts with the material of the slit as it passes by. The closer it passes the more the magnetic field "cuts" the materials atoms and loses energy, thus also deflects at an angle proportional to the spin vector at the time of material interaction and also distance from material. Particles passing in the centre of the slit will have least amount of energy loss and deflection, thus making up the central line of the interference pattern. The next line is made up of particles at a step closer to the sides of the slits and so forth. Thus the most diffracted pattern at the edges are of least intensity as the up down quarks (moving up and down as an electrically charges particle and thus inducing a perpendicular magnetic field as in electromagnetic radiation) lost the most energy to magnetic losses induced into the slit matter atomic structure. The two slits both produce the same deflection results and the rest is just interference as normal.

  5. Maybe this has been the proof all along that we all just mice, with our own x and y axis conjuring up the wave function collapse? PS you can send me the Nobel by post…cheers!

  6. What happens when you turn on the measuring device but don't observe the results; turn on and not record/observe them. Leave it on but disconnect sensor responsible for measurement?

  7. Well the answer could be that the detecter interferes with the atoms because the detecter runs with some sort of energy which interferes with the atoms.

  8. Ok so I might be on to something. We should try recording with not 1 but 2 apparatus. See if the atom passes through the same exact slit for both observers (apparatus) . Another method is to have 2 slits open and aim the electron directly at the top slit, so you know that it should definitely pass through the top one. This should prove if the atom is indeed behaving like a wave or if there is an external force acting upon it as it is traveling in space/time.

  9. what if blue light photons where used and then observe the experiment with glasses that do not allow that wavelength of light to pass through to see if it's optical or a type of magnetism of the observer

  10. Im surprised to not see any Toy Story references.

    Also logically thinking the frequency of the monitor in use interferes with the behaviour of the particles.

  11. Pity he didn't explain that observing is not passive. In order to detect a particle you have to hit it with another particle. So by observing the atoms you interfere with them

  12. This can be explained with commonsense and knowledge. That is, That light is not particles, its waves in a medium called the Aether. So why is the dude in the clown tie trying to sell particles using an experiment that proves no particles?….

  13. I've watched many videos on this experiment and what I don't understand is how do the particles pass through the slits? Don't they travel in a straight line? Isn't the source centered and therefore the particles would simply hit the center of the barrier, i.e. material between the slits? Wouldn't the source/laser emitting the particles have to be angled for the particles to pass through one slit or the other?

    For example, if we replace the particles with tennis balls and the gun projecting the balls is centered relative to the barrier with the slits, no ball would go through, they would all bounce back.

    Your input would be much appreciated.

  14. clearly the experiment is grossly incomplete, use 6 detectors in the obvious positions and get an even bigger "surprise. JIMBOY.

  15. Unplug the detector? Well, then it's not the same conditions for the particles.

    What if you leave it plugged in but do not check the results?

    Is it someone keeping tabs on the detector that makes the non-interference pattern? Or is it whatever the detector is doing to the particles to detect them?

  16. If I understand correctly the detector is only measuring (interfering) with electrons in the second slit? Meaning that electrons passing through the first slit still behave like the ones being measured even though they arent (i.e. second mystery). No?

  17. If the measurement of light collapse the wave probabilities to one possibility. why do we see every possible out come on the canvas/wall.and if you were to measure before the slits what do you see on the wall/ canvas. apparently the interference goes away? in both cases the interference is being measured why does the interference collapse in one situation or the other

  18. I think I may be able to answer that;

    Since it has recently been theorized that our brain is a function of quantum brain dynamics, wouldn't it be safe to assume that our own intended results from said experiences happen that way because we intend them to. If conscious thought is based within quantum brain dynamics I think it would be safe to say that our own thoughts of prediction on the end results of any experiment on the quantum scale will always result the way in which we want it to. Thought coming directly from this quantum brain dynamics must have an effect on the quantum reality that we exist in and are made from. Thus the ability to affect quantum reality by thought.

  19. Why does the photon pass through any hole at all? If properly directed the photon should only hit the middle bit where there is no slot.

  20. The experiment is a contradiction!
    Since light (the photons) is both a wave and a particle, HOW can the photon ever go through “only” one of the slits? To claim that the photon detector “correctly detects” whether the photon passes through one slit or the other is like pouring water (which light behaves like) on the slitted wall and then saying “the water was detected passing through one of the slits”.. IT ALWAYS SIMULTANEOUSLY PASSES THROUGH BOTH SLITS AS A WAVE.
    The output side of the slitted wall is an unknown factor. We are not privy as to how the photon detector interacts with the photons it “observes”. The detector may actually be “canceling” the wave property of the photon. Then, the photons just fly straight into the target wall, as particles, but not as waves.

  21. Get enough people to believe in one theory. Not believe but know it to be true and you’ll have your answer. Everything that is or ever was came from a thought. Thoughts turn to things. We are all vibration vibrating at different frequencies.
    A desire so strong must manifest, how bad do you want it? ?

  22. The uncertainty of the electron particle/wave is effected when you introduce a device near it. Obviously the whole apparatus is made up of other atoms with electron clouds influencing the movement of the single photon BUT the sensor at some point will have a current. The movement of electrons causes faint magnetic field, the single photon is effected and the spaces is can exist at any moment are more defined. The presence of the magnetic field caused by the sensor may just create less uncertainty where the photon is allowed to be and thus behaves more like a partial and less like a wave. Its still insane that a single photon is both everywhere and nowhere at the same time to create a wave like pattern but the addition of the sensor’s electromagnet influences on the wave/particle seems obvious especially if it goes away when you unplug it and stop the current

  23. We’ll surely the detector would have had an effect on the probability on the location of the atoms.

  24. but there is one thing which confuses the esotheric community. its not the awareness/ conciousness of the observer which makes a difference. its the measuring device. the electron interacts with the measuring device in a physical way. it has nothing to do whether someone is aware of it or not.

  25. An assumption like this just can´t be only theoretical, because it deals with reality, and reality can be recorded in video. A live recording of observation collapsing a wave would be worth a 100 of words & calculations.

  26. A ACTUAL VIDEO OF THIS HAPPENING PLEASE. But no, it's nowhere to be found. (Does NASA forbids?), Strange as the flat Earth theory the fact that so strange phenomena HASN´T BEEN RECORDED IN VIDEO.

  27. can this apply to everyday life? If I have a light bulb and when turn it on, it spreads all it's light on all directions on a wave form, but when I look at it. I can only see 1 section of the light, I cannot see the full view of the wave. to do that I might need to have hundreds of cameras depending on the room to see all other possible outcomes. I believe that when they do this experiment is the same thing. they are only observing one section of the outcome because they don't have eyes spread all over the place.

  28. David could the measuring apparatus create any waves of its own that causes the interference that the particle is reacting to?

  29. Can an electron travel through two slits at the same time? The whole
    interpretation of quantum mechanics is based on the answer to this
    question. The key word is – interpretation. Everyone tells their version
    like that is the only one. @t

  30. Can an electron travel through two slits at the same time? The whole
    interpretation of quantum mechanics is based on the answer to this
    question. The key word is – interpretation. Everyone tells their version
    like that is the only one. @t

  31. Is the 'detector' interacting with the atom? Does it, for instance, shoot a beam of light at it? Because you have to rule out any interaction which only occurs when the detector is on.

  32. I really hope atoms are waves because that means you can make oxygen and or hydrogen with electromagnetic waves at what ever frequency maybe a mixture of frequencies but what kind of censor is used to detect the electrons I'm assuming your talking about if the censor is a coil to detect them maybe the coil could be focusing the beam like the negative plate does in a crt tv I can't say for sure without knowing what kind of censor is used if the censor was a visual censor like a really high speed camera it shouldn't change anything but kinda makes sense that a electron can act like a wave because the location of the electron can't be determined absolute it's a field around a proton that just means a electron can be split or it means your not shooting single electron you might think you are but could be sending packet of electrons and that would explain the interference pattern because electrons interfere with each other because of the magnetic waves that come from them when moving but a single electron at a time in a vacuum shouldn't make a interference pattern unless electrons can split and that would be cool to find out if that's true but the best of luck to determine the answer what's going on I'm trying to find me a old crt tv to break open and modify to make my own double slit experiment who knows I don't think it's that hard to find out I think it's a mistory because not too many people have the know how and the will to perform a experiment that has no benefit other than fun everyone wants money but I'll rather have fun and science is fun to me if everyone did science things like this wouldn't be a question because there's so many people way smarter that are using there mind to get money and not for fun

  33. Perhaps there are a almost infinite number of parallel universes. If they differ only in the position of one particle (for example here at the experiment) they are "moving" together and they can be considered practical as all one and the same universe but at the place of the double slit their single divergent particles then seemingly show wave behavior but that's only because they disturb each other's path.

  34. The thought of living in a simulation has always been fascinating to me. Sad that our developers hasn’t patched this yet though. ?

  35. HEY
    Jim Al-Khalili IF YOU'VE BEEN STUDYING THE "THEORY" OF QUANTUM MECHANICS …YOUR ENTIRE LIFE..??/ THEN ANSWER ME 2 QUESTIONS….1. WHAT IS A FIELD??? ( NOT WHAT IT DOES , NOT WHAT IT CONTAINS, NOT WITH A VECTOR, NOT ITS ATTRIBUTES…BUT WHAT IT IS???? 2. DEFINE INSTANTANEOUS ACTION AT A DISTANCE… I.A.A.D.

  36. WHAT"? THE DOUBLE SLIT EXPERIMENT? PARTICLE AND WAVE DUALITY??????? THE COSMOS HAS NO DUALITY……….NO CONTRADICTIONS IN NATURE.
    THERE IS NO SUCH THING AS A WAVE….. a wave is what something does not what something is…a wave is not a noun in the logical sense…wave you hand ..is that a wave…no ..is a shadow a thing? no… its the absence of light. double slit experiment assumes that light is a particle…there is nothing actually traveling. light does not travel nor does anything emit light, there are differences between emmission and purturbation…light is a rate of induction …only the atomistic mentally ill, think light is a photonic particle and a wave…its neither, photons and electrons do not exist….do u actually think there are electrons flowing and jumping around inside of electrical wires or that your camera is capturing a bunch of photons???would you have to shake out the photons when done shooting pictures for the day???? you call yourself a scientist or a "quantum" Physicist? and actually make videos based on a theory that Einstein had to create particles and give them virtual mass in order for his equations to balance out…wow what logic…you may be a mathamatician but you are not very logical and smart

  37. I asked this my friend who is a Physicist however I could not get any reasonable answer from him. The whole idea that comes from this experiment is that a wave behavior turns into matter one or simply shows a property of matter when there is an observer present. An observer here can be just a detector to see which slit a particle has gone through. That's where the problem is because a screen behind slits is also a detector , with only difference that it registers where a particle landed on the screen. Do you see a problem in it? We have already have a detector to register a particle landing spot and this detector(screen) does not change a wave pattern into a matter pattern. Why? Unless somebody can explain it, the double double slit experiment speculations are going to be wrong.

  38. You monkeys from the 21st century…you walk up to an open door and yet won't go through it. When did you discover that consciousness is a force? I know it was before the grand unification theory became child's play. Anyway, give me the Nobel retroactively please, even though I used some travel trickery to show you the answer. I think I remember that you stumbled on(or possibly read this) the way to prove this when someone gave a technician some false info about the stone-age measuring devices you used. He thought he was turning it off by unplugging it causing the particles to be so influenced, when in fact it was still measuring. Voila. GUT solved. I'll leave the equation to whomever came up with the idea back then. Thanks for the Nobel nomination anyway.

  39. not actually true..
    To make this a fair and accurate test and to know that your telling the truth.. is to conduct the experiment with only 1 person doing the test and observation..
    without measuring or observation equipment. or other people near the experiment.

    IF? the person can send particles with thought' too one slit? Then yes ok your right. But if the 1 person fails and the particles go though both slits then haha told you so.. observation/measuring equipment has a electric magnetic field, no matter how small, as Nikola Tesal stated. Electricity that powers your observation/measuring equipmet to the slits will interfere. And as this is truely an experiment on a quantum level? we dont need measuring or observation equipment!

    So yes do your experiment with 1 person and that persons mind without other people and there thoughts and not with equipment when its not needed nor will it prove anything! I very much dought it can be done and only mathematical theory and the problem why mathematical theory isnt a sicence is because mathematical theory can say the sky is green and lemons are pink.

  40. My explanation is that every single time people repeat this experiement and get the same results it's because of human error. I don't care how big a coincidence that is. The only other option is that particles are self aware jokers and I'm terrified of living in that world.

  41. The particle interferes only with itself when it produces the diffraction pattern. When the lumps are produced it bounces from one of the slits, in case of light it is re-emitted from one of the slits

  42. I think the most likely explanation as to why atoms act this way is that there are dimensions in spacetime that we cannot yet measure. This hypothesis works off the idea of infinite universes and infinite possibilities that ranch outward from the current time(relative to the observer) as time moves forward . For example, there is a world where you read this comment, one where you coughed and finished reading, one where you got bored, one where you got mad and threw your phone at the wall, one where you are at Jessica Alba’s house, and so on for infinity possibilities. And after each of those possibilities, another infinite number of branches of possibilities pop up. So in this experiment, the electrons have the possibility of going all these directions in different worlds, so what’s actually going through the slits is a wave of possible electron paths. As for why that wave of possibilities disappears once we observe it, my hypothesis becomes useless. I would either chalk it up to the detection(which requires bouncing something off the electron) altera and, therefore sets in stone, the path of the electron. Or, we are in a simulation or a simulation-like universe like other comments have suggested. I know some have said it jokingly, but I think it’s a valid hypothesis that it doesn’t have an exact pathway until observed to save “computing power.”

  43. Isn’t it because the detector being switched on gives off energy and the atoms are reacting to that energy, rather than the conclusion that the atoms are reacting to the mere observation by the detector?

  44. What causes one particle to go through one slit and another fired from the same gun to go through the other slit? Is the gun controlled to fire through one slit and then the other? If the gun were fixed, wouldn't most of the photon particles just hit the spot between the two slits and never make it through either slit? Is it that the gun is fixed but the slits are so close together and the man-made gun when firing never hits the same spot due to idiosyncrasies associated with the gun itself, such that particles will eventually make it through both slits despite the gun not being aimed at any one slit directly?

  45. I didn't expect the results to be explained, but the actual mechanics of the experiment itself have not been adequately explained.

  46. How come is not possible to know in which slit the atom gun shoot that single atom without the need to use detectors?

  47. You only need a bow tie (or a mustache) when you need to convey false messages:) This act of measurement is not magic; it is just sending light to interact with the photon!

  48. What happen when a 3D sphere hit a 2D plan? Did the people living on this 2D plan see a sphere or a point? You are right it just seems as an interference pattern but it's not.

  49. I believe the results are the same it is just that when you look to see whats happened your brain changes the result in your head
    In other words your brain decides what the reallity is

  50. The alien video game simulation called Mother Nature hasn't been updated to fix this particle/wave glitch for humans due to the anticipated elimination of the human class in 2056 for rebalancing due to overpopulation, unfair resource allocation, and creation of AI and complex simulations, which are exhausting GPU resources and raising its overall temperature.

  51. The dark matter around the particle acts like a wave. Since dark matter tries to stay hidden when attempts are made to observe or interact with it, only the physical matter particle can ultimately be observed.

  52. Well technically the atoms are being observed without the observation instrument to see which slit they go through so I would doubt that they are aware because then they would behave the same way with or without the instrument.
    Videos explaining this never really say what the "measuring device" is or how it works. So my guess would be that when it is on it creates some sort of interference prevents the atoms from spreading its waves across the board and just making them localized.

  53. I'm confused what the "observer" is? I've read and seen several instances of the "Double Slit Experiment" and they always talk about the "observer" as if everyone knows what that is, and how it functions, but I'm ignorant and don't have a clue what that observer is. Could someone please explain that to me?

  54. the atom observation device acts as a negative wave receiver/concentric force – it cant observe the atoms it can only observe/absorb NEGATIVE ENERGY WAVES created by the atoms- thus causing the atoms to act as pure particles – when the device is removed the wave form of the atoms causes them to continue their collective duel wave-particle form- remove the negative wave form and their just EM particles – a form of negative energy that only interacts with other negative wave forms – atoms are both positive and negative energy – think YIN YANG
    a better experiment would be with pure negative energy – the electron being negative and the positron being only positive and the neutron –
    specifically the P neutrino which has an interesting aspect of being able to pass through all MASS instantly with no loss of time- it simply appears on the opposite side of the mass object instantly in a straight line defying Einstein and his relativity theory …..moving faster than light….. normally there is interference by the MASS DENSITY of the object – yet here there is ZERO.

    but they are RARE and P neutrino experiments are on going in Japan inside an extinct volcano and in Lead South Dakota at the bottom of the depleted gold mine 1000s of feet below the surface.

  55. Seems obvious… In order to detect the atom, your detector MUST sample from it some how. There is simply no other way of detecting it. However gentle this detection method is, (absorbing some of its radiation, measuring the effects of its mass on other atoms, etc.) you are going to affect it's behavior. The implication of this video (and others) is that your very attention is causing the change. In fact the language in the video deceptively points you that way saying "the atom somehow seems to be aware" of if you were looking at it and other such claims. How much thought does it take to realize it's unlikely an atom is aware of anything, and start looking for what's really going on? We could start by knowing how the detectors work, and what "if any" different detection methods have been tried.

  56. Is it because of the interference of the detector? Is the the detector emitting any kind of radiation that cancels out the wave behaviour of the atoms?

  57. Could we tie this to radiated energy as if something has resonated from the energy from the original particle thats being shot? Like a mirror image created in another point close by bc the energy is moving? The energy and particle can be one and the same but also seperated???

  58. THE OBSERVER IS THE ~i~ in YOU. IT SEE'S ALL WHAT YOU ARE SAYING AND DOING IN YOUR MIND. ITS YOU, ONLY AT PRESENT TIME, YOU ARE UNAWARE, WEARING THE CLOTHING IN YOUR MIND OF STILL TRYING TO FIGURE OUT WHO YOU ARE. THAT IS THE MIND. GO`OD IS THE i , YOU MOVING YOU . ONCE YOU OBSERVE YOUR MIND, YOU START TO CONTROL YOUR MIND SO YOU HIT THE MARK EVERY TIME

  59. i can solve this puzzle if you trust me. in my opinion, sometime if we dont have consantrate on something it looks like 4 to 5 patternt of duplicate image of same thing but if we consantrate our mind towards that single slit we can see that single slite only

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