Shining Light Through Solid Balls Using Quantum Mechanics-Poisson's Spot Experiment
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- čas přidán 15. 05. 2024
- In this video I show you how it is possible to shine light through a sphere using the wave-like nature of light. This spot in the center of the shadow of a sphere is called Poisson's spot or Arago's spot. It is a result of the diffraction of light around the edges of the sphere that constructively interfere right at the center. Then I show you what it actually looks like to look at the center of poisson's spot. Does it look like the light is actually going through the ball?
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DISCLAIMER: Any experiment you try is at your own risk - Zábava
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Just noticed something. Look at the shadow of the wire and notice how there is a bright line right in the center of the wire! That is the same effect happening in a linear fashion. I wish I would have noticed in the video!
5:57
Wow yes, I've seen this experiment with round objects before but not with linear objects. It surely is much more easier to spot the wire's shadow. Good find mate.
@@sourvad wire = elongated 'sphere'?
@@libratyanjhon3959 yes correct, but it is more linear than spherical. So I took the liberty of ignoring it's spherical nature.
The Action Lab Can you create water out of nothing?
this doesn’t work anymore this glitch was patched by the government in Earth v.5.17.2020
Error, v5.17.2020 isn't set to release for 3 more weeks
Official patch notes for v.5.17.2020:
Fixed a glitch where the atom at coordinates 1235324745453432324344454675 455377644456 169865688542244421245678986423578632478 dissapeared
Thats it, I think their keeping the glitch as a feature
jsdothatshit the official patch notes just got leaked:
-Coronavirus experiment will be concluded
-Light wrapping around spherical objects will no longer occur
-End of the world trials: stage two (INFERNO) will begin
-Time relativity will be reset
Set release date: 23T.894.3N1 (2-26-2020 on Earth)
Matrix patch 1.12.480
Poisson set himself up in a win win. Either he was right about the particle theory, or his math skills were on point.
True, but also imagine boasting that there's no way something could exist and then getting it named after you. I know I'd be at least a little embarrassed.
Nice profile pic L
@@michaelmiller2210 It acts as a silent handshake to identify those with good taste. Thank you, Casserole, my brother.
@@michaelmiller2210 ikr. Fun fact: I learned yesterday that there's a _musical._ It was never fully developed into an English version, but there are songs on CZcams. It's been out for years and I had to learn about it from a _"Good Omens" animatic!_
quantum win
Warning: It looks like you could "try this at home." Please: Do not get behind the screen with the little hole in it to see Poisson's spot with your eye! And in general, do not look directly at any laser, not if you value your vision. He really should include this warning.
Hi! Late to the show as usual. He actually thinks his viewers are smart enough to know this.
Yea… we’re not all as dumb as you.
safety is never an invalid concern, it is a good warning to provide.
@@iztaex2488 speak for yourself...
Thanks mom
7:44 made me feel like I was in school again. My mind instantly fell in the gutter right in the middle of class.
That's a butt!
@@matthewtalbot-paine7977 saggy balls
@@matthewtalbot-paine7977 LOL... exactly what *_I_* was thinking! 😄
I shined the light on my balls for a class project, and all I got was detention.
Use a more powerful laser next time if you want to make an impression.
Lmaoooo
Great
Maybe because you are the pennywise from IT
were there two spots on the other side?
this guy always seems happy and sad at the same time, im confused
He seems tired
But also very awake
Lol hilarious , he seems chill!
it's his quantum self ya'll
Right bro 😂😂😂
One of the coolest demonstrations. And just as cool to see the interference surrounding the ball too.
Yeah and it wouldn't have been so effective if the lightsource wasn't the laser since it has striations
Actually, in this experiment the laser light does NOT shine through the solid ball. Doing the experiment by soldering the ball inside a hole on a steel plate instead of hanging it on a wire can prove that to be the case. Light wave around the ball being able form a bright spot behind the ball due to constructive interference of the light wave around the ball does not mean light actually pass through the steel ball.
@@simon6071 that is not what the experiment demonstrates. did you even watch the video?
@@pedro_mab I'm not talking about the experimental result being wrong. I'm talking about the misleading title of "Shining Light Through Solid Balls Using Quantum Mechanics."
The light waves travel around the steel ball to form a bright spot at the back of the ball with constructive interference. The light waves did not go through the ball.
@@simon6071 I think its mentioned at the near end of the video that the wave forms a light point around the ball which interferes with each other to form a bright spot
Yeah but he could’ve been more clearer and said light goes around, sure
There isn't much more interesting/captivating than witnessing a quantum physical phenomenon take place right in front of you.
Legends say he’s still smiling after the video
😃
Is this a black mirror reference ?
@@TheActionLab i wish i had that many views
Well Legends were True 🤣
Geen Naam lol
I was always confused about how photons could not pass straight through the gigantic separations between electrons, protons et cetera. I thought about the large particles pulling the light in, but I recalled that you need a black hole to do that. This was informative.
that's not an accurate description of an atom
The electric fields around the atoms components is the dominant force in the atom. Light is a wave in that field
The light is oscillating it's intensity according to its wavelength, so it has a high probability of hitting the atoms electron cloud, if the material is thick enough or has the correct properties
A good model to see how this blocking works, is by looking at the fact, that atoms can absorb a photon. So if wavelength matches ths properties of the atom, the electrons of a arom take away the energy of a photon, if it comes near enough. So the photon will excite the atoms,and in return, it will be gone. Then the atom might release a new photon later, but in a random direction, or this energy just goes to heat. Also a photon can get reflected.
This channel is one of a kind, you never see channels both being equally entertaining and interesting and original
Poisson: there's no way it's a wave lmao
*does an experiment
*surprised pikachu face*
That lmao Just makes it Perfect
Camtis why Do you capitalise Random words?
@@tanasirobert9157 lmao Yeah why is That
Its my autocorrect somehow. Dunno why it is doing that
More like :
"...... Nahhh i must be high as fuck"
"you can't see my face because the basketball is in-front of it"
Well would you look at that?
I thought it was because he has a tiny ass head
no.
Matti is that you?!
Theoretically you can because the center of the basketball is the brightest spot meaning theres light passing through but its so small that we cant see it
@@yesd2024 that was a good one
2:00 - 3:22 Me trying to extend my essay to meet the word count.
Hes doing the same. But just for the 10 min mark lol.
Hes just tryna teach us in depth , appreciate it.
🤣🤣
I think it's important to note that you must use laser light, as it is monochromatic. A standard light will have multiple frequencies and will not constructively interfere like that.
Is that true? Would not each constituent wavelength constructively interfere with itsself?
@@TheMapman01good point, but a laser is both coherent and monochromatic. Meaning that all the peaks and troughs of the laser light are in phase with each other.
No, neither monochromaticity, nor even (temporal) coherence are needed. Arago did it with a flame light. What you actually need is spatial coherence at the distances of the order of the diameter of the sphere, so that each wave packet arriving at the sphere is cylindrically symmetric with respect to the axis between the light source and the sphere. For this you can just make sure that your light source is small enough (e.g. emitted through a pinhole) and far enough away from the sphere (this doesn't have to be very far: a few dozens of sphere diameters should suffice if the pinhole is much smaller than the sphere).
Well this guy gets his video on the chart by only yelling out only the WOW factors of an experiment and leave all the actual reasonings vague on purpose. Notice how in this video he kept mentioning the light going "through" the ball before reluctantly admitted it going around the sphere 's surface in the end.
@@TycTycHehe Everything you showed is absolutely correct. And this video has a lot of shortcomings !
He talks like he's lying, but you know he's spitting facts.
oooooooh! take my thumb up!
@@RichardMoffitt0 🙂🤜👍 Got it.
And 27 others.🙂__
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@@RichardMoffitt0 🙂🤜👍 Got it.
And 27 others.🙂__
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In this video he talked like he lied,
but in fact he talked about light
@@michaellv426 ?
Yes, but I dno't understand the point or context or your comment/reply.
I'm confused on why Todd Howard is talking about light and not making Elder Scrolls 6.
lol
lol
How does this comment not have more likes. Underrated comment tbh.
Get ready for the ray tracing.
Heh, wow.
I wish back in high school I had a science teacher this good and fascinating.
Most he does is way to complex to be taught in high school. So its just not possible to have such fascinating classes in school.
@@sparkyzcc6178 stuff you learn in school is still vrty fascinating, if you are more interested in details, than in really new stuff. What he does is, he gives some basic information about a topic, that is very very new to most people, and which will then fascinate one. In school however, you learn in physics about stuff you see everyday in a more detailed way. E.g if you learn about centrifugal force, you have all already seen it, and might think its boring. But if you are interested about how one can really describe it, and how and why it works in detail, then school physics is very very interesting.
You've got to want to know how things work in detail, even if you have seen it a lot in your life, to be fascinated by school physics. But sadly most people arent. They are only interested in completely new stuff, they havent already seen, cause they are easily bored.
@@neutronenstern. wow nice point of view about that topic
Yes! I’m enjoying your videos and learning so much! You’re definitely helping pique my curiosity about quantum physics and mechanics! Thank you.
Nobody:
John Cena explaining why we cant see him
Lmfaooo how does this comment only have 30 likes
@@chasemcdonald7250 cuz they can't see this comment
This comment and the replies are so perfect
You have 420 like... should I like this comment or nah?
Clearly most people see the like button but reply button
Poisson: Light doesnt have the properties of a wave, I'll prove it with something ridiculous
his calculations: congratulations, you played yourself
See also: people trying to use proof by contradiction to prove Euclid's fifth postulate.
I can't get over how close his eyes are it pisses me off. He should keep that ball in front of him.
This is one of the best channels ever. You really know how to explain things. Thanks for all your content.
Check Steve Mould's channel
Amazing loved it. Your video algorithmically found me after watching an MIT Superimposition lecture. Profound implications, and excellent explanation! I subscribed!
I was messing around with a basket ball and I spun it really fast and let it drop to the ground, but when it hit the ground it reversed its spinning direction.
I found this weird and I am curious for an explanation
well the ball is going down before it hits the ground, and then goes up. So it's reasonable to believe that if it was spinning one direction before it will spin the other after it hits. This is due to the elastic recoil pushing it in the opposite direction it hit the ground with. I should do a video on this:)
An opposite reaction... but why
always wondered it too..
@The Action Lab But the elastic recoil should not be strong enough to completely reverse the direction of spin of the ball - I think it may be because the ball flipped upside down during the fall which makes it appear as though it changed the direction of spin, when actually the y axis on the ball was flipped.
Edit: Since the ball was dropped by a human we can assume the ball wasn’t dropped on it’s central point of spin.
This means the ball won’t go straight up after the bounce, instead, the friction will make it go in another direction which could flip the ball on it’s axis of spin in almost 180 degrees.
So in a nutshell, the direction of spin of the ball never changed, as this would require an equal and opposite reaction + some additional energy to account for the loss of energy via air resistance, gravity and other factors which cause loss of momentum.
Picture it in your mind, imagine a ball spinning clockwise - when it is upside down, it never changes the direction of spin, it spins in the same direction but upside down, which makes it appear as though the direction of spin was flipped.
@@TheActionLab no it doesn't happen that way....that's considered to violate the newton's second law if so...
This is easily observed with the a cricket ball , if you get ro spin the ball it would change its travel direction to a certain angle after it hits the ground or for a faster ball spin you would notice a magnus effect yet ball follows the direction but would never change its spin to opposite direction coz it not only requires exact amount of counter torque but also a bit of extra amount ..
For a perfectly elastic collision(** if you theory is correct **) the ball should actually stop spinning but can never get the opposite spin
Who clicked on this video to actually see him shine a flash light through a basketball
Edit: thanks for 2,5k likes guys ☺
You can fool some of the people all the time but you can't fool all the people all the time.
Obviously, you did....
I just clicked on this to laugh at you 😂
C Yashwant so they quote Abraham Lincoln without giving him credit. Loooooooseeeers.
You can fool some people sometimes but you can’t fool all the people all the time
@@scottmcintosh4397 MAD LADDDDDDD
Thank you for showing this so clearly, and making the science real.
I mean you could think of the zone you want to keep your opponent in as "anywhere that isn't next to me"
love your videos. so much information in such a nice concise manner, thanks for the knowledge!
Given the proper circumstances, would you be able to find Poisson’s spot in the shadow of the moon during a solar eclipse?
he said the ball has to be close to a perfect sphere,i doubt the moon is close to a perfect sphere
I must have missed that! Still interested to know if it’s possible at that scale though!
Usually stuff like that only works with coherent light that has a consistent wavelength (like a laser) and if the process during which the light is "created" isnt irregular. The sun emits many wavelengths at very small irregular intervals because the main light source is fusion which is very spontaneous. Might still work tho maybe there is some weird effects canceling each other out...
The sun isn't quite a point source of light
@@hak4fak Also, It needs to be smooth as hell!
The reason u can't see me when i move this basketball infront of my face is because there is a basketball infront of my face.
I could see him quite easily.
😂😂
good point😂😂
mm, yes, the floor here is made out of floor
Science 100
This is real science ladies and gentlemen! Something that you can observe, study, and demonstrate.
He: let me get a smaller ball ( 3:32 )
Me: what the f*ck.
Poisson (mockingly): if it were actually made out of waves, then directly in the center would be the brightest spot.
*Directly in the center is the brightest spot*
Poisson: am i a joke to you
@tinylilmatt yeah. For a nerd - the best joke ever. 🙌🙄
MALEK001 001 i wondered how many comments it took for me to see someone say that
Well, now he is
@tinylilmatt No it's still stupid and sadly unoriginal. No objectively funny person repeats memes in un-ironic situations.
@@fredspofford maybe because there's nothing like "objectively funny"? Humor is subjective.
Physics: nobody can break my rules
Quantum mechanics and Russians: hold my beer
Quantum mechanics is also physics... and even rusians are made of atoms
@@mrsoftware7828 that was rad
Thanks for the free r/IAmVerySmart karma!
Mr Software but it broke KNOWN physics when discovered
hardbass
Seems similar to the hunt for planets around other stars. But at no time is light going through anything. You did mention that at the end ;) Love the work you put into this site.
Action Lab always pulls out the wildest experiments.
evidently whatever's impeding my vision of John Cena is non-spherical.
Well fucking played 😂
No, John Cena IS the sphere
I came to the comments looking for someone talking about Cena. Found it. Hahaha
Now try this with the blackest material you can get
Yea......🤔
This, a metallic shiny object is nice but how well does this effect work on something that absorbs all light??
A 2.0 black ball, that is all. Wave or not wave
@G W Did i ask?
Makes no difference. Reflection of light (from the ball) got no role here.
You may not have technically "bent the light" but that experiment and truth definitely bent my mind. Awesome video and great explanation.
I’m unexpectedly hooked on your channel. It’s so interesting. If I’m still watching tomorrow I’m subscribing!
If I had a teacher like him in high school I would have never missed his class even if I had to drag myself in.
What, you like guys with stubbly beards?
@@briannolan7818 maybe because he actually explains the topics he is teaching and not just rambling from a text book
@@freehoya4276 - True.
@@freehoya4276 True
I think he is terrible at explaining this. Don't get me wrong, I understand everything he is saying , but to an average person this is awful teaching. There's much easier ways to explain the same thing he explained so that more people understand it and thus get excited by science.
Would this happen in a solar eclipse?
Well that's a good question.....
That's a good question. Leaving comment here just in case someone care to explain
I thot the same tho
I would think that non metallic planetary substances would not create such effects, however with the intensity and direct travel of solar light, it could perhaps be possible. 🤷♂️
I don't think so, but I'm commenting just in case anyone have a better explanation
I'm glad that the algorithm of CZcams showed me this video. Really cool stuff!
These videos are awesome! Thank you so much for being smart and making it easier for me to understand complicated scientific ideas!
I’m still waiting for him to show us that flashlight that can shine through basketballs... I must’ve blinked and missed it.
LMAO
clickbaiter
The waves go around the object not through anyways. This guy loves to spread his false clickbate titles it’s disgusting
Arin B. Jesus man don’t be so pretentious. He is referring to light of wavelengths/frequency on the visible spectrum. I’m sure you are smart enough to realize that is what I am referring to as well.
Arin B. In addition to my previous comment. “Light” is normally defined as “visible light”. Gamma radiation is typically not referred to as “light”. Simply as radiation.
We found Poisson’s spot but can we find G-spot?
scientists are still baffled I'm afraid
Dont ask a nerd about that
@@hannesgranlund8838 Why? They'll give you the exact coordinates. Lmao
Yea, in hubble space...
@@hannesgranlund8838 gamers
The fact that this was discovered by a fish blows my mind.
Awesome. I always love these videos.
Nice video, action lab. I would like to see more videos on quantum mechanics. You made it really easy for me to understand it. :)
Ya I also want video on quantum mechanics
Yeah I found this pretty helpful
Do you see all the comments from people that watched the video and didn't learn a single thing?
This isn't a video on quantum mechanics. It's about Fresnel diffraction.
9:00 The light went through it without actually going through it. /face XD
delete ur pfp
This is amazing! Thanks for sharing!
I know I'm behind, but I wanted to remark that it is interesting to note how the point of magnetism also appears to affect and bend the light.
Also, do you think it might be possible to see this effect during an eclipse?
The moon is certainly not small nor smooth, so the probability is so small that it can be called impossible
@@10pitate
I had hoped scale might play into affecting the hypothesis positively.
Guess you'd need to point something like one of our intergalactic telescopes at the moon to see the tiny dot?
Wonder if the Vatican is down.
xD
@@b1ackwa1tz2 I think the more important part is that it isn’t smooth, so this effect would be nearly impossible for the moon
@@agdmp1188
Technically we'd be using the earth as the ball- but I'd assume your argument remains valid.
probably not, because the sun is hardly a point source of light, and (all the other responses)
2000s-
John Cena : *YoU cAn'T sEe Me*
2019-
TAL : 1:51 *You don't see me.*
Lmao.
Oof when you said Tal I got shook I thought you meant someone else
@@grisannetr1146 michael tal the magician
@@petrosarv1295 ?
I am seriously making a t shirt of this 😂😂😂. With his face and the basketball 😂
My mum was always getting annoyed when I'm on youtube for a long time but this stopped after I showed her ur channel
(edit) OMG thank you for 133 likes guys!!!
Moukis 2.0 that is awesome from one mom to another
Well maybe she misses talking/playing with you.
@@mamupelu565 No she want me to study for school.... But we have summer break
@@PyroXeNeX already?
@@samirnawrozada1799 ye😂 idk what she wants from me
Theses experiments are the best I've seen anywhere.
This is one of the simplest things you can repeat at home and really cool
2:47, we now know the real identity of Mysterio!
LOL
Jesus
Bryt3 GOSH😂😂😂😂😂 Underrated comment.
ahahahahahlololoxdxdxdxdxd
My sides LMAO
0:24 Babies be like: "No, it's actually because you cease to exist."
According to the Copenhagen interpretation of quantum mechanics, the idea that matter ceases to exist when not directly perceived is actually plausible. What we see as matter when we look at it is described as wave function collapse.
@@HamsterPants522 Then what are my arms attached to when no one's looking at me? And how does the planet stick together for that matter? Sounds like nonsense.
@@D_YellowMadness you know they are there, you are an observer-detector so they collapse into arms. So does the rest of your body.
"And how does the planet stick together?
That is why some scientists believe consciousness could be a fundamental property of reality.
We got a developmental psychologist in the chat
@@themechanictangerine4337 that’s actually a really cool theory, despite how absurd it may sound
Thanks for getting me thinking. There are a lot of well hidden facts of knowledge that just by understanding them we think in such a different ways.
I am a theatre lighting designer. I love light.
I totally just made my room mate find me a sphere and a magnifying glass. No sphere so I made her find me a rod.
Yep. It was worth it.
Wait I thought Quantum mechanics doesn't really come into play here. I thought that this phenomenon can just be explained by considering light as a wave, and the lightest spot in the shadow just being an interference in the diffraction of light around the ball.
I have the same doubt!
Yeah I think the quantum mechanics has throwing people off. I think people think the light is bending around the ball and that would involve quantum mechanics.
@@Rahul-rp5hk why is your name so long
QM sounds fancier than classical electrodynamics.
If it was just the interference of diffracted light then it would have depended on the distance between the ball and the screen
It would be more accurate to say that the light went AROUND the ball, and the interference pattern it created resulted in a bright spot in the middle.
I mean .. he kind of said exactly that, a little late in the video I admit, but still ..
Yeah, you could explain it in a really simple, clear, objectively true way but then you won't get a bunch of people thinking "wow, science really do be like that" and that would negatively impact likes and subscribes.
@@limp_dickens He had to drag it on to make it 10 minutes or he wouldn't get paid. All his videos are about 8 minutes more than they need to be.
@@brodylockwood14 if you dont want to watch videos, why dont you just read wikipedia or twitter?
That's not how quantum mechanics works. The light is just a wave of probability and they constructively interfere at the center of the ball.
Such kind of things really gives me a goosebumps. Feels like In future we might have invisible cloth as we see in movies.
The light reflecting off the wall gathers and reflects onto the nearest point of the shere, it's perfect centre!
This is utterly amazing! My lazy ass physics profs in college never bothered to show me this. Incredible!!!
Well, yours is definitively by far and away the best "home-made pop-science" channel on youtube. no comparison.
I'm soery but this guy is far behind vsauce. His explanations are nowhere near as clear.
@Mark And Veritasium.
Hope vsauce starts uploading again
@@ujjwalbhatt4410 he's been uploading on D!NG idk why not his main channel. Maybe he's using his main channel for the youtube red episodes of mindfield he's still doing
@@MrInventer80 i know the reason- he forgot his id's password by which he had made his you tube channel😑.
Just wish he would be back
The Action Lab: *makes a super informative video about the behaviour of light and smooth surfaces*
Me: * 7:40 haha, the graph looks like a butt *
You earned my subscription with this video. Well done.
He looked like mysterio when he put the metal ball up to his face 😂
Well... at least the "The Amazing Spiderman cartoon series from the early 2000s" Mysterio.
Lmfao xD
This is amazing stuff. Very entertaining. Thanks Mr. Action. Makes my brain gears turn in new ways.
this guy is wha my mom meant when she said “if you keep smiling for so long your face is gonna stay like tha”
Reignited my love of science... absolutely brilliant... the pinhole camera is probably the coolest example of this principle.. and they discovered this hundreds of years ago...without any computers... the human brain is awesome..
This channel really has a very very genuinely informative content. Thanks for such stuff!
How to see neighbor girl through the wall
*Edit: This comment has been my most liked comment in youtube. Bless you guys.
@rgtm aa no bro you see through the wall👀
@@helal2488 👀
@@LupeSunglass 👀
@@wic09 👀
@@LupeSunglass 👀
Great topic with brilliant presentation 👍
Partiwaves...Waveticels
😆
Love this one.
Makes sense.
Great visuals.
First time I've ever seen this guy. I like his approach. 👍👍
Ed Brown check out his vidyas he gives best explanations ever
Very interesting and very good explanation I see the light :-)
Yes my friend,if you see the light you are in the right path
Momma O isn’t this your son
that was probably the coolest CZcams video I have ever seen!
Brilliant explanation. Thank you.
5:00 when the wire shook it separated from the ball a couple times but the magnetic field was strong enough to keep the ball on it
okay thats cool
Poisson in French means Fish..
So.. Fish's Spot 😂
Wosh
@@seko0629 what no
So what's a poison fish in French, then? 🤔
Wow very cool, alexa play despacito
Illuminati Confirmed
Nice experiment. I love learning something new. I subscribed
Absolutely incredible 😲 thanks so much !
Up next: *How to make table legs that don't stub toes*
Hang all your furniture from support ropes/ strings. Never stub a toe again. And less damage to the shins since they will move. But if it swings back before you move twice the damage.
Put a bunch of strong magnets in the ground in a circle, all facing a central spot with the same pole. Then put another strong magnet on the leg of the table with the same pole turned to that spot. Now repeat for each leg. You now have a floating table.
put table on quantum locked track - bump it but no worries no friction
ultimate tm was gonna say that
Quantum shoes! Or regular shoes.
Im always amazed by the stuff this guy does
Great explanation ... I'm a bit curious on whether you can apply this concept into certain application
Thank you and let me tell you that the high-tech positioning and micro-adjustment equipment you use is impressive.
5:05 "LASER" reminded me of how Dr. Evil says it for some reason. I was half expecting him to be holding his pinky close to his mouth.
9:16 all I saw was a demonic eye staring back.
That’s frightening why didn’t I see that before
lol
Well explained and easy to understand 😉
You perform experiements and later explain them
Keep it up
A great experiment. I’ve seen it on veritasium but this was good too!
so there is a very easy way to experience this yourself without any prep work. go outside and look at a relatively uniform part of the sky(not many clouds) and try to spot "floaters". these are the small things that move around in your vision(microscopic pieces of your eye floating in the fluid in your eye). if you catch one that is round you will see Poisson's spot in the middle of the floater. hopefully I explained it well enough.
Is that actually true? I always assumed the cells you see are semi transparent.
@@Tailspin80 They are not cells. They're strands and specks of protein and other matters.
@@JM-tj5qm it is true. I have experienced many times and encourage you to try it out for yourself. it is a very interesting phenomenon.
!!!
I have a tiny round floater that shows up every once in awhile. It has a spot in the middle of it.
Very clever man. Your videos are very interesting.
This is more interesting than my chemistry classes :0
Notice that the wires also have the brightest parts in their center while the sides are "highlighted" by shadows
I'm a little confused. Light isn't actually going through the ball, it's just that the surface is causing interference on the light waves at the edge of the ball, causing them to scatter, and the waves that randomly converge on the center of the shadow create the point because they accumulate. Right? So that point is actually made up of light that's bent with interference, like a halo around the edge of the ball. Mistitled video!
And he keeps saying it over and over "light is going through the ball".
Yes and this is exactly why during solar eclipse we did not see any light from the center of the moon, although the sun is thousands of times larger and the moon can be considered smooth at that scale
kilroy987: The Action Lab is wrong in calling the constructive interference at the center of the spot a quantum effect. It is, as my comment above explains, a part of classical physics called physical optics.
He literally said it doesn’t actually go through it 🙄
@@joelapple2344 and he said that it DOES go through the ball about six times.
Dude you're awesome, thanks for the video
Lol poor Poisson. That awkward moment where you prove the opposition right by being snarky. 🤣