5 Mind Bending Optical Illusions You Won’t Believe
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- Опубліковано 6 чер 2024
- Dive into the captivating world of optical illusions with this mind-bending journey! Explore the mysteries of the moon illusion, checker shadow trickery, bending pencils, and more in this fascinating exploration.
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The weirdest optical illusion is that the host of every UA-cam channel I watch looks identical...🤯
If you stare and zoom in on Simons head it looks like an elbow upside down moving.
That's because its not an optical illusion, they really are the same 😂😅🤣
That made me chuckle. Thank you for that.
That's just the Whistler Illusion. If you cover up the glasses you will see that all UA-cam channel hosts are actually Simon.
This illusion is known as "The Whistler Effect"
The part that's both fascinating and annoying to me is the inability to stop an illusion from happening. For example the Kanizar Triangle. I know there's no line creating the "white triangle" but no matter how I try I can't get my brain to not see a a slightly brighter white edge creating the triangle. I can get it to flip the same shade for a second, but then the triangle goes brighter again. It's weird to basically argue with your subconscious brain about actual functions you're conscious of lol
It's 23:20 in the UK on a Friday night and I am drunk. I couldn't see the white triangle until the 3rd time of going back to try to make out what I was meant to be seeing. Now I have seen it I can't unsee it.
Fascinating eggskull
If you squint hard enough the white triangle disappears, but just for a second.
the variables are highly different for all of us, but the general statement is true. just like someone who's done DMT tells you about clockwork elves or someone who's used heroin tells you it fixed everything in your mind or drinking alcohol to dull the very real scrapes scratches and lost limbs, these are senses we have found removals for, so it would be even weirder if anybody could actually, actively avoid these pitfalls after discovering them.
the spirals/snakes illusion has always fascinated me... why does it really spin? it's a screen full of spirals or snakes and wherever you look, everything else spins. i would pose, simply, that other drugs and not just illicit ones, but all drugs, could have varying affects. maybe it could identify reaction times if we could truly measure the perception. i mention it because the drunk dude didn't catch the illusion immediately, obviously his focus and attention wasn't fully one the screen, and when he had to actively see the image his brain and his perception was alert enough to make those essential assumptions to alert for danger in our ancestry. i doubt he was slamming shots 20 minutes before the video and i doubt he didn't eat or drink anything cleaner than alcohol, so i'm assuming as he becomes more sober, his brain activated that portion of attentiveness and realised (too late in the wild) there was something everybody else noticed.
as for eye squinting... you're reducing your visions persistence and peripheral, as well as focusing on eye muscle movement and moving your face to squint, that's a lot of attention to avoid seeing something. so naturally you won't blank it out forever.
this behaviour happens everywhere we go and we should be more grateful for it. the patterns on your carpet, bathroom walls/floor, the times you wake up, not moving, deliberately trying to identify the thing you're looking at and whether you're closer or further for a real guess. some times in random carpet fluffs you'll see a face form and you will be unable to not see it. but the next day or later on, it's gone. but nothing changed. except your state of mind, your perception, where you was, and it's just something we should be grateful for. it saves our lives. ignoring it will kill us. drugging it out of ourselves is also a bad idea. i've seen zombie shows, we all need to quite aware of our surroundings.
That's really interesting because I don't remember hearing about people seeing a brighter white triangle, and I don't ever see it. Maybe because my brain automatically fills in a possible process to create the image - place a triangle down, stencil/draw over the sheet and triangle, then remove the triangle. To me, the triangle is no longer there.
The moon illusion looks especially amazing when standing on the shore by the ocean with nothing blocking even the tiniest piece of your view . It looks humongous!
It always amazes me that our brains have evolved to be such a wrinkled, powerful hub of knowledge, logic, emotions and sentience, while at the same time be a bag of electro-chemical squish that 'copes' with the world by going "meh, that'll do" and can be tricked and glitched out as a party trick.
Not me mate, mine is so smooth and shiny.
@@RealityDysfunction85 and this is why we shouldn't lie to kids.
The Chubb illusion, with the center circles didn't work on me, they both looked the same.
I noticed with the checkerboard, if you stare at "A" and let you vision and focus drift, you can see they are the same color by periphery.
Yeah exactly, i used the same trick.
When they become blurry, they sorta increase in size and it becomes easier to compares the two tiles to each other.
@@Games_and_MusicGlad to see I am not the only one to notice
Yes same here
@@RockBrentwood Indeed, i used to always close my eyes before turning off the lights in the bathroom, to prevent having that sorta blinding moment when going from light to darkness.
I haven't done that in a while, but i guess that's because i pretty much always have a dim light on (my deep orange Philips Living Colors lamp in the living room), so i am rarely in pitch black anymore.
But yeah i agree though, once my eyes are adjusted to the night light, i can even ride my bicycle without a light on, but i NEED to have a light on, otherwise the police will give me a €150 ticket..
Peripheral vision is black and white only. It's not color. Your observation is invalid and flawed.
I loved the bendy pencil trick did it a lot in 1991 and 1992 6th and 7th grade.
The fps estimates are hilariously wrong.
Really? What is it?
The checkerboard is one of my absolute favorites. Its' on the short list of illusions that doesn't fix itself even when you know it.
Amazing video, even though I've seen most of these before, it is nice to see a collection with some explanations.
when doing the colortool on the checkerboard, i remained skeptical until the very instant they touched -- and then mindblown
Ok, wow, the moon thing upside down is hurting my brain
Lol
So the chub illusion specifically doesnt work on me for some reason. I can always see them as the same shade in that specific illusion.
I can alternate between the two.
If i look at it normally, then my brain goes:"it's in the shadow, so it is darker.", but when i 'unfocus' my eyes and let my sight become blurry (other people squint their eyes, but i don't need to squint), then i see both the tiles clearly having the same color.
@@Games_and_Musicdude finally someone else who can unfocus their eyes like that. Apparently it’s not something common.
@@Mad-Lad-Chad I used to do it all the time as a kid to make the bus ride endurable. When I first saw stereogram illusions I found them super easy to see and that's when I realised it was uncommon.
@Mad-Lad-Chad I thought everyone could do that!
@@Mad-Lad-Chad Hah, i know right, it's so weird.
People CAN do it, because if you basically zone out, or just not focus on anything, putting your eyes on 'neutral', my eyesight will automatically be blurry, there's literally zero effort being made to make it happen, yet it seems to be something that a lot of people don't understand.
Squinting is much more limiting to my sight and it takes many muscles to keep them squinted, but apparently this is the default mode for the majority of people.
0:25 - Chapter 1 - The moon illusion
3:25 - Chapter 2 - Checkered shadows
5:40 - Chapter 3 - Bending & broken pencils
8:15 - Chapter 4 - Incomplete shapes
9:50 - Chapter 5 - Grid illusions
8:12 We are capable of going way past 60 frames. Just try going from a high refresh computer monitor and down to 50/60 hz 🤓
The moon thing is also often used in photography. A skyscraper looks so much bigger with something large in front and a long lens. It is known as compression.
Awesome video Simon!
One of my favourites demonstrations for illustrating how the brain interprets images is a trick you can do with a pack of cards.
Shuffle the desk and select a card without looking, be diligent and look straight ahead without moving your eyes. Hold the card out to one side at the edge of your periphery vision. You won't be able to see what the card is. Keeping your arm straight, slowly move it closer and closer to where you're looking; you have to get almost dead centre before you can tell what the card is.
However, then slowly move it back out. You'll find you can "see" what it is so much further into your periphery than you could on the way in. Because you now know what the card is, your brain "fills in the gaps", so to speak.
Insightful as always 😊
They've now determined that cats also can see the incomplete shapes illusion as they will sit in a nonexistent square created using the same technique.
Another thing about the checkerboard illusion: If seeing this in real life (instead of seeing a picture), the square in the shadow is of a lighter shade, but illuminates less due to it being in a shadow.
I love this channel
omg, a Simon Whistler video that isn’t edited at 40% audio volume. I don’t have to have my volume maxed out to hear this. Well done editor.
If you tilt your phone and look at it from the side, you can see that the checkerboard ones are the same color.
Cool video, have you ever done on on that blue dress / gold dress mystery
Wear what you like sir, it's 2024.
I had a minor existential crisis in 6th grade because I was doing a science fair project on optical illusions. When I realized that you really can't trust your own eyes or brain to tell you exactly what you are seeing, it kind of messed me up for a little bit.
The moon thing can be explained by atmospheric lensing.
I seen a video recently, where a bird appeared to hover in front of a garage camera, and its wings were not moving. It’s wings beat was synchronized to the frames per second of the camera. Looked like a Harrier.
I want more of this
thats wierd to me because the two halves still looked like different colors with the line in the middle but the circles always looked like they were the same color
Same
Nr. 2 is what makes photographing scenes with relevant differences in brightness so difficult to look like we see it. Our brain easily adjust the information it gets from the eye to make it about the same. If you take a picture though you might need a lot of Photoshop or Lightroom-magic to make it look like you remember it - because cameras are dumb and the human brain is genius!
the moon illusion is one of my favorites, my intro to psych professor told us this on our first day of class - which as an educator now myself I think was a great way to gain our interest in the subject (it’s always a favorite of mine to share). Also I love the tube experiment to show this one to people, I’ve not heard that before and can’t wait to try it!
i took the checkerboard image into a photo editor and used the eye dropper to verify the illusion myself because i couldn’t believe it!
i tested the checkerboard image, it's similar not same. Even the shade in B has varying shades so they cannot be the same as one square is not constant
In this video yes they are not the same, but if you check the image on the wikipedia page about this illusion they are the same.
Maybe it's due to video compression or something else?
5:20 they stay different until i leave full screen and take another look lol
Aren't the eyes actually constant input?? Always heard the 60 fps is a "wives tale" our eyes are not like video cameras doing multiple still images. There is no shutter. Even though we interpret video as continuous, it's really a whole bunch of super fast still frames. But that's not how our eyes see. We do not see in frames. We see continuous signals
Best of your videos in a long time 10/10. Great stuff. And most of your videos are good
Every video is the best video.
One insult disguised as a compliment, and one that makes no sense..every video the best? Not possible.
@@X22GJP Eat shit then! Lol
@@X22GJP Eat feces ! Lol
I enjoy learning things I am surrounded by but entirely unaware of ... how can people live without knowing these things
4:30 that processing is happening unconsciously, in a way that we can't override it without adjusting externally what we are seeing in some way. I don't see why the same processing isn't a good explanation for the moon illusion too
Have Simon & crew covered the Brennan Monorail yet? If not, I've got a suggestion...
I think the illusion is that Simon is in focus, yet when the zoom in happens, it's clear the door handle is on the focal plan and he isn't.
The moon seems larger on the horizon because the eye compares it to trees houses etc. It's a parrallax thing. When you look up all you see is empty sky and that one light thus the illusion disappears
Why can you see the moons surface features more clearly when it's low on the horizon than when it's higher? The perceived resolution we can see shouldn't change if the apparent magnification were just a matter of visual comparison relative to landmarks on the horizon.
I was thinking the same thing. When he said the paper tube matched I was like wtf how can the detail be so different?
Simon, there's a small typo in the description for the channel. Just thought you should know.
This is also why 4k looks hyper-realistic, there's so much going on that our eyes and brains can't process it all at once. In people with TBI/MD/Vision problems/Seizure disorders, it can actually cause; headaches, migraines, and even seizures!
How come no MAGIC EYE picture illusions? Highly interesting. Thank you.
I got a feeling that this channel is going to blow up I wish there was like a stock market for channels. But then people could just manipulate it unfortunately
The Cornsweet Illusion, Chubb Illusion and Kanizsa Triangle didn't work for me. The checkerboard one certainly tricked me.
Does the water slowing down light also slow down time?
5:26 the chubb elusion is the one that didn't get me. Both circles look the same to me; every other one tricked me though
Cornsweet illusion; took a screenshot, duplicated it, cropped both down to show only the illusion, rotated one of them 180 degrees, then placed the images overlapping each other. You can absolutely see there are 2 shades, then when you start changing brightness and contrast you can see that the shades aren't consistent across their width.
Has no one used a ruler at a set distance from our eyes to determine if the moon physically appears larger, or if we just think it appears larger?
Don’t you dare try to explain away a rocking horse moon Simon!!!!!
It makes me wonder if these kinds of illusions can be used to fool AI as a sort of security?
The cornsweet “illusion” is definitely two different shades lol at least in the picture to showed. I could close my eyes and have someone flip the picture around and no matter what side it ended up on you can always tell the darker side. If it was an illusion wouldn’t the right side always look darker weather it was upside down or not? Only a simple black line separates the two sides. Am i missing something here? 😅
Question: How many others do not se the "missing white triangle" at first glance? For me it does not stand out, yet i it is obvious to me the circles cutouts do align with the ends of the other shapes. Basically i can se a triangle will fit there nicley, yet it is not there.
I find it really strange/interesting but, I'm assuming, something to do with how my eyes fight each other for dominance causes the grid illusion not to work for me.
"The whole is greater than the sum of its parts." That's interesting.
"Movies on a television screen might appear like a series of static images" ... Which is exactly what they are!
Woah, the Chub illusion didn't work on me at all. All the others did.
I didn't see the white triangle until you mentioned it, than i couldn't not see it.
I joined the military, and one thing they did was a color blind test. I am not colorblind. Later, I eventually found it crazy that a fellow soldier was. Wow that's amazing.
While I see the white triangle, more or less, I don't see it "brighter" than the rest of the image. Also, I did see the grid illusion with the wavy mesh, although way more subdued. Am I the only oone?
Persistence of vision.
id like to know about how certain colorblind people would see these. i know i dont fall for most but i still fall for some. is that the case or not?
When an optical illusion doesn't work on you, it explains how people are literally seeing a different world than you.
The worst optical illusion is when I post a comment and UA-cam makes it invisible...
Ok
@@ducksongfansyou guys if any should get along 🦆
That happens to me all the time now. I'm not sure if I should type it in again or what? Don't wanna be that guy that has 2 in a row LOL. It all started after I made a very true comment on a "sensitive subject".
Unlike this one...
UA-cam has the right to censor any of your comment sit sees fit...
I really wish every brain anomaly would have a named journal paper tied to it and referred to as that specific anomaly going forward. Each and every one of these hacks can be our next step closer to something like what Donald Hoffman has been pushing on this topic for so many years.
i did not see the white triangle until he mentioned it. I wonder what that means.
I've never been able to see the rubber pencil illusion. It's one illusion that's never made any sense to me
I feel a little sad as quite a few of those didn't work for me, the ones that did were great.
I always thought the moon look bigger due to the curvature of the earth, like looking through a magnifying glass.
Everything we perceive in this world is in our head.
3:38 If you cover the white parts of the picture and the parts that look white with your hands you can tell A and B are the same color
I’ve always thought that optical illusions could be a great human authentication method to short circuit bots and AI. Unlike captchas and such what your seeing is not reality it is literally only in your mind.
The triangle...visually it does exist
Oh well.
Four out of five ain't bad.
C+
I refuse to believe the cornsweet illusion. Lol i zoomed in 8x to remove edges and the two sides were clearly different shades. Additionally by slowing playback to 25% i can clearly see the left side darken beginning immediately before the white bar in the middle shows up
Also, I'm not saying the illusion doesn't exist, only that the demonstration you chose was faulty
This guy looks like Doctor Robotnik's skinny brother.
And your profile picture looks a whole lot like IT.
@@jeffdroog well that's my Cousin
@fugginrambo Ah geeze,well let him know for me,would ya?
New here, huh? welcome to the cinematic simonverse I would recommend some of his other channels brainblaze and decoding the unknown. try not to mind the noises from the basement.
the brain is the only thing that named itself
2:44 Just watching that clip, it looked like the moon shrunk as it went higher up.
...That's the illusion lol
@@jeffdroog I know. It’s just an example of that theory working.
@RipVanFish09 it's not a theory,it's a proven phenomenon lol It happens.
Good point lol.
Fun fact: fish-eating birds like eagles and herons compensate for water refraction when they target a fish. How they do this isn't clear.
In the moon illusion: I see what you did there Simon, when you said..."at the end of the day..."
The example of 1+1 = 3 is off a bit. Perhaps a more to the point example would be that 0.9999...(repeating) is equal to 1.
Under the correct weather conditions, the Atmosphere acts as a kind of Magnifying Lens, duh.......
60 frames per second, is a likness used for scale.
Our brain does not process the visual sense in frames.
It is an "analog" process, not "digital".
5:31..... Was it just me, or did both circles look as though they were moving away from each other towards the outer edges of their boxes? 😮
They were, i had to rewind to make sure that it wasn't me tripping, and i pressed back arrow and saw the circles pop back to their starting point.
The 3D moving dinosaur illusion. As you look around it, it appears to follow you. It has to do with how our brains interpret faces.
Is there not some time discrepancy when we are observing the "broken" pencil given the speed of light is different in both areas ie above and below the water? Given the relation between time and the speed of light wouldn't observing something at 2 different speeds of light not have some sort of effect? Never mind, stupid idea :~) So with our eyes and brains are we using a kind of dlss system with blending frames and frame generation? just had another thought about the broken pencil question I had. Given we see at 60fps'ish and the 2 differents speeds of light, and as ridiculous as that is, could do we not see the pencil in the water as closer to us and therefore bigger than the part of the pencil above water as above water the light is faster and appears to have travelled further that the light in water? kind of
The speed of light is not "different". Its passage through a medium can be different than passing through a vacuum. It's a distinction with a very important difference. Also, we don't see at any sort of "fps".
@@THE-X-Force they explained how our eyes can see up to around 60fps which is why the pencil appears bendy. I know it isn't actually fps as in computer visuals sense but it does allow for the same meaning. It is also why helicopter blades can appear to stop in mid air and "spokes" in a car wheel make it appear that the wheel is spinning backwards. Also I am sorry but if something is slowed down by travelling through some substance then that has altered the original speed so of course itr is different. "The speed of light is constant in a vacuum" implying that if it is not in a vacuum then it is moving at a different rate. Now light can't get faster than light so it must be sowed down therefore the light moving through the medium has a different speed than that in a vacuum. Thanks for the effort though :~)
so basically our brain has dlss
lol!!
Chapter 4, Dennis Renyolds approved.
You wouldn’t bend down and look back through you legs around here 😂
I watched a video regarding how our brain fills gaps in the FPS deficit and it blew my mind that we actually see, in effect, backward in time and then it gets reversed to make logical sense! I needed a cup of tea after that.
I have observed that the deficit in certain situations. Your mind doesn't actually "see" the Eyes do. So in those instances they are the Brain uses more memory than interpretation.
The FPS argument is completely wrong. We humans do not see "frames" we see continuous wavelengths of light.
@@james.w. How do you think video works then ?
You have a screen showing static images faster than your brain can interpret them.
And ok, now that the images are digital they can change "frame by frame". However on film/cinema each frame had to "swipe" to the next frame.
Your eyes "see" (rather receive) continuous wavelengths, but your brain interprets (rather see) a finite number of small chunks of them per second.
@@djgeorgetsagkadopoulos Brains don't work in a digital manner, regardless. Your brain and eyeballs have an average perception time of ~13ms. 60 FPS equates to 16.7ms. We spongey humans wouldn't be the dominate species if we had a slow reaction time. Moving from a 60hz display (which will only refresh 60 times per second) to something like a 75hz display is quite noticeable, more-so from 60 to something like 120hz. There is a point of diminishing return however, with most people not being able to distinguish anything beyond ~240/280.
0:00 Anyone else get a quick Ocarina of Time vibe?
Sad to see the 60fps myth for the human eye being repeated here. It’s been debunked repeatedly and thoroughly. The human brain can process far more than 60fps, with the limit actually varying from person to person.
I believe the shadow illusion is real, but not in the proffered image.
0:21 the moon illusion
3:20 checkered shadows
5:36 bending and broken pencils
8:11 incomplete shapes
9:47 grid illusions
Too bad they can't figure out how to make chapters for the video. It's really disrespectful of their audience's time.
Oh dear ,I really shouldn't try and have a big brain when I've had a smoke 😮😂😂😂😂
I think I'm immune to the shading illusions. Every time someone shows me one, my brain doesn't process it as different colors... unless I just don't understand what the illusion is supposed to be
Edit: I just rewatched the video and realized I misunderstood what the illusion is. I'm not immune to this one
The speed of light never changes. What changes, is the path that light has to travel through materials of different densities. Longer path = longer travel time. The photons themselves do not slow down.
No, light refracts due to the change of speed. Light travels approximately 25% slower in water.
@@tomricher8565 *NO.* God. Where did you learn this? The speed of light is constant Tom. What @mjelves said is entirely correct. This isn't something that's up for debate.
“But in a material it travels at the speed of light until it hits an atom. It is then absorbed and re-emitted in the same direction, which takes a small amount of time. The more this happens, the slower the effective average speed. The denser the material, the more atoms there are in the way.”
@@THE-X-Force I agree, it is not up for debate. The speed of light is a constant, in a vacuum. It varies depending on the media it is passing through. Do a search online for the cause of light refraction.
@@tomricher8565 If you paid for a physics class in class then I suggest you ask for a refund.