- 10 hours ago
Get ready to challenge your perception with optical illusions that will leave you questioning what’s real. These mind-boggling images will twist your mind and make you second-guess what you see!
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00:00Yep, this is technically Kim Kardashian's face.
00:03I know, I know. How can someone so beautiful look so weird?
00:07I'll give you a second to figure out what's going on here.
00:10Let's see if your mind can figure out what your eyes can't really understand.
00:15Right, we should totally try it with other public figures.
00:18But let me explain the logic behind it first.
00:20You just witnessed the magic of the inverted face effect.
00:24This optical illusion was discovered 45 years ago and it continues to wow people.
00:29Here's how it works.
00:31The picture is turned upside down, but key features of the person's face are kept the right way up.
00:37For the magic to happen, you can't change everything in the picture.
00:40Just key features, like the eyes and the mouth.
00:44The illusion revealed a glitch in how our brain processes faces.
00:48Apparently, we don't think about a face as a whole.
00:51We understand each of its components and then assemble it into a whole.
00:56Now, let's take a look at Lady Gaga for a sec.
01:00While you're staring, try to figure out what on earth is going on.
01:03I mean, it's just too funny.
01:06Hey, is this supposed to be Ariana Grande?
01:09I mean, I almost didn't recognize her there.
01:12This illusion should get its own Instagram filter, but hey, I'll finally tell you what it's all about.
01:17Okay, I've got something cool to show you.
01:20Keep your eyes glued to this image for a sec.
01:22Do you see what's happening to those edges?
01:24They're fading away, like they just disappeared into thin air, right?
01:28And then those empty spots suddenly turn greenish.
01:32This mind-boggling effect is known as the Troxler fading illusion.
01:36When you focus on one spot for too long, your brain decides to ignore the rest.
01:41It's like it's saying there's nothing new happening there, so it just tunes out for a second or two.
01:47So while you think you're soaking in the whole picture, your brain is quietly figuring out the boring bits.
01:53You've got to trust me on this one.
01:55If you keep looking long enough through these black and white dots, something, or better yet, someone, is going to
02:02appear.
02:02I'll give you a hint.
02:04This person sings and is young and beautiful.
02:07Did you get that reference?
02:09It's Lana Del Rey, ladies and gentlemen.
02:11You just need to readjust your eyes and look for the shape behind all that distraction.
02:15But there we go.
02:17Great work.
02:19Here's an unusual scene.
02:21Shakira and Miley Cyrus together in a room.
02:24But why does Shakira look like a giant and Miley look so small?
02:28In real life, Miley is taller than Shakira.
02:32Come on, I'll give you a few minutes to try to figure this one out.
02:35This is an old-school optical illusion.
02:38If you've been to a kids' museum, odds are one of the exhibits was the Ames Room.
02:43The setup makes us completely distort the perception of the scene.
02:47Let's take a look behind the scenes.
02:48The Ames Room is built with both the floor and ceiling at a certain angle, which turns the room into
02:54a trapezium.
02:56When you see it, your eyes are tricked into believing both sides of the room are the same.
03:01But no, no.
03:02It all comes down to how your eyes perceive depth.
03:05If someone walks to the left-hand of the room, they're actually further away and the ceiling is higher.
03:11They appear as a smaller image before your eyes.
03:14And the opposite happens on the right-hand side of the room.
03:20All right, check out this staircase.
03:22Looks pretty normal, I know.
03:24Now let's flip it upside down.
03:27It still looks like a staircase, but instead of moving from right to left, it seems to go from left
03:32to right.
03:32The secret is Y-O-U-C-A-N-N-O-T-B-L-I-N-K.
03:40If you do, the illusion will vanish, and you'll be back to the original image.
03:45This little brain teaser is called the Schroeder staircase.
03:48It might seem simple, but it reveals some seriously important stuff about how our brains work.
03:55If you break down the staircase, you'll see it's actually flat.
03:58What your brain interprets as a 3D image is just a clever mix of shadows and light.
04:04Basically, that 3D effect is just another optical illusion.
04:07Our brains grab images and try to make sense of them based on what we already know.
04:13So when it spots a shadow in a 2D image, it fills in the gaps and sees depth where there
04:18isn't any.
04:19In this case, it tricks us into thinking we're looking at a three-dimensional perspective.
04:24How wild is that?
04:27Wait!
04:28You don't need special goggles to understand what Adele's face is doing here.
04:32Just keep looking at the little white dot at the center of this image for a bit.
04:35Don't worry, I'll tell you when you can stop.
04:39Take your time and soak in her face.
04:42We need your full attention for just a few seconds.
04:46When I say go, I'll need you to stare directly into a white wall or a blank piece of paper.
04:513, 2, go! Now!
04:55Pretty cool, huh?
04:57This is called the negative after-image illusion.
05:00First, you need to look at an image with inverted colors for a few seconds.
05:04Then, when you turn to look at a white page or wall, you'll get to see the original image, a
05:10.k.a. Adele's beautiful face.
05:13It looks like magic, but let me explain why this is scientific.
05:17This trick happens because your eyes and brain are big fans of contrast.
05:23When they're hit with opposite colors, they try to balance things out by filling in the right colors.
05:28So even though the screen's blank, your mind plays color artist and paints the correct shades in your imagination.
05:35Oh, another one with a bunch of black and white bars.
05:39Who shall be hidden beneath it?
05:41Keep looking and you'll find it.
05:43Think of the word baby several times with some funky melody.
05:48Did you see it?
05:49I mean him.
05:51Yep, it's Ed Sheeran.
05:53Ready to get confused?
05:54Take a look at this trending optical illusion.
05:58Stare for a couple of seconds and don't move your eyes.
06:01Do you notice anything weird?
06:04So there's this grid with broken edges.
06:06If you keep looking at the center of the image for a few seconds,
06:09those broken edges magically start fixing themselves in your side vision.
06:14It's like your brain can't resist seeing patterns.
06:17This illusion was created by Ryota Kanai and was actually a finalist in the 2005 Best Illusion of the Year
06:24contest.
06:25Kanai himself explains that this illusion shows how our visual brain just loves regular patterns.
06:32Don't you just love snakes?
06:34These ones aren't scary at all.
06:36You can stare at them moving around all day long.
06:39Which direction are they moving to you?
06:41Are they moving at all?
06:44This may shock you, but these guys are stationary.
06:48It's all about those repeating asymmetrical patterns and clever color combos.
06:53We've got lighter shades like yellow and white hanging out with darker blues and blacks.
06:57This funky mix tricks your retina into sending signals to your brain,
07:02making those circles look like they're spinning.
07:05Want to call out this illusion for what it really is?
07:08Just fix your gaze on one part of the image.
07:11Keep staring, and you'll see those circles gradually slow down and come to a stop.
07:16Neat, right?
07:17Now, the last illusion.
07:19And if this one doesn't trick your brain, I give up.
07:22Look at this photo.
07:24It's black and white, isn't it?
07:26Take your time to answer.
07:28Right now, your brain is probably trying its best to make you see colors, but please don't fall for that.
07:35You're looking at a black and white picture with green, red, orange, yellow, and blue grid lines over it.
07:41This highly saturated color grid overlaid on a grayscale picture makes the gray cells seem colorful.
07:48But if you want to break the spell, just zoom in.
07:51This way, you'll be able to see the true colors of the original photo.
07:58Wow, something bizarre is about to go down.
08:01Focus on this cross right here.
08:03Ignore the wild celebrity roulette spinning around the edges.
08:07And whatever you do, don't blink.
08:09Just keep staring at the cross in the middle.
08:12Now tell me, do you notice how our favorite stunning celebrities are starting to look like something out of a
08:18monster movie?
08:19No special effects are happening here.
08:21Trust me, all of this is purely in your mind.
08:24So, when you're presented with a series of eye-aligned photos, one after the other,
08:29your brain kind of glitches, mixing them up and making them look distorted.
08:34Before you know it, even the most flawless features of Hollywood's Barbie and Ken,
08:39I mean Margot Robbie and Ryan Gosling, begin to look twisted, squashed, or stretched.
08:44Ooh, the chills!
08:45Here we have an animation of four faces flipping between Selena Gomez and Demi Lovato.
08:51But are you ready for a spin?
08:53Again, these faces will keep switching back and forth between the two of them,
08:57but now they'll also be spinning in a circle.
09:00Fix your gaze on this cross and resist the urge to look away.
09:04If you stay focused right on the center,
09:07you'll find it almost impossible to spot the morphing between their faces.
09:11The transition seems delayed, like it's barely happening.
09:15But the moment we stop the spinning motion, BAM!
09:18It's pretty clear that the morphing animation was happening the whole time at the same speed.
09:25Meet the rotating rays illusion.
09:27If you're seeing what I'm seeing, the outer ring looks like it's moving clockwise,
09:32while the inner ring seems to spin counterclockwise.
09:35But what's strange about it is that these circles aren't moving at all.
09:39Now, our eye movements play a huge role in creating this effect.
09:43I mean, when you keep shifting your gaze around the image, the illusion of motion continues.
09:48But can we make things more interesting?
09:51By placing a picture of Kim Kardashian right in the center,
09:54focus just on her face, and try your best not to blink.
09:58Notice how the rings seem to slow down or even stop?
10:02Bizarre, huh?
10:03This illusion was created by a Japanese professor,
10:06known for designing tons of mind-bending illusions.
10:10Like this one, where it looks like rollers with blue dots are turning towards each other.
10:14Or this one, where yellow rings seem to move up and down,
10:18almost as if they're getting closer together.
10:20But again, these aren't animations or GIFs.
10:23The motion is only happening in your mind.
10:29The painting The Scream is scary on its own.
10:32But one optical illusion can make it even weirder,
10:36practically bringing it to life.
10:38If we throw in a little zooming in-and-out motion to Munch's iconic work,
10:43the haunting face seems to grow and shrink,
10:46almost as if it's jumping out at you.
10:48It makes The Scream feel all too real, right?
10:52Now, of course, this after-effect illusion isn't just for paintings.
10:55We can do the same with a photo from Rihanna's concert.
10:59Fix your gaze on the middle of the image,
11:01and you'll start to see her move,
11:03almost like you're getting a front-row seat to a live performance.
11:06All right, maybe it's not quite as cool as seeing Rihanna actually perform,
11:10but it's still pretty awesome.
11:13Next, we have this pretty ordinary checkerboard image.
11:16But I'll ask you to pay special attention to the squares marked with the letters A and B.
11:22So, are they the same color or different?
11:25Most people confidently say that square A is darker and B is lighter.
11:30But what's bizarre about it is that they are actually the same exact shade of gray.
11:35Ooh, one of 50 shades of gray?
11:38Heh, sorry, I couldn't help it.
11:40Anyway, how does this magic happen?
11:42Well, the square labeled B is sitting in the shadow of that cylinder.
11:46Your brain automatically thinks,
11:49hey, shadows make things darker.
11:51So it brightens square B to adjust for the shadow,
11:54while square A, which is outside of the shadow, is left as it is.
12:00Let's talk about the paperclip illusion.
12:02If you take a simple grid and add perfectly straight diagonal lines,
12:07something strange happens.
12:09They look bent or kinked.
12:10It's called the paperclip illusion,
12:13because some people think that the lines resemble a row of paperclips.
12:17Can't see it?
12:18Well, there is a way to fix that.
12:19If you look at the image from the corner of your eye,
12:22the effect gets stronger.
12:24So, let's put a photo of Timothee Chalamet in the corner.
12:27Fix your gaze on him,
12:29and in your peripheral vision,
12:31you'll notice those straight lines now seem bent,
12:34like a bunch of paperclips floating around.
12:36Can you see it now?
12:38Another interesting thing is that the effect changes
12:40if you adjust the thickness of the lines.
12:43Make them thicker,
12:44and instead of paperclips,
12:45the illusion shifts to something that looks like chains.
12:48But if we do the opposite,
12:50making the lines thinner,
12:51they'll look more like wavy ribbons.
12:54Here we have photos of two pairs of Crocs.
12:57And we can all agree that this one is pink,
13:00and this one is green, right?
13:01Awesome!
13:02But let's make it a bit harder with this new picture.
13:05So, what color are these Crocs?
13:08Take a good look and tell me.
13:10Which option do you think you just saw?
13:12Ah, number 1, number 2, or number 3?
13:16Got your answer?
13:18If you guessed option 1, you are correct.
13:21These Crocs are actually pink,
13:23but they look gray because there's a green filter over the image.
13:27The lighting tricks our eyes into seeing colors differently.
13:30White things, like these socks, turn green,
13:33while pink things, like these Crocs,
13:35turn a kind of gray.
13:37This color constancy illusion
13:38proves just how much lighting can deceive our brains.
13:43There was one more pink illusion for you.
13:46This time, we have an image with a white circle in the middle.
13:49But now, let's add some motion to it.
13:51I know this animation is intense,
13:54but keep staring at the black X in the center.
13:57Suddenly, that white circle seems to take on a soft pink hue.
14:00It's almost as if the red and white pixels around it are blending together.
14:04A similar thing happens with this red and white checkerboard.
14:08Keep focusing on the black X again right in the center.
14:11And will you notice that when the checkerboard suddenly changes to all white,
14:15the red spaces still might look faintly pink.
14:19One explanation is that when you stare at the X,
14:22your eyes get used to seeing the red and white edges.
14:25This adaptation effect leaves an afterimage in your vision.
14:29And your brain holds onto the red so strongly
14:31that when it's removed,
14:33it fills in the white with a touch of pink.
14:38Now, for our final trick,
14:40we have an illusion called the Poggendorf triangles.
14:43What do you see when you look at this weird shape?
14:46So, you might see it as two triangles put together.
14:49One here and the other one here, right?
14:51That makes sense.
14:52But that is not the correct answer.
14:55I mean, yeah, there are in fact two triangles in this image,
14:58but not in those positions.
15:00What's happening is that your brain probably thinks
15:03there's an imaginary diagonal line running through them.
15:06Like those two edges are connected in part of a single line.
15:09But the truth is that those edges don't connect at all.
15:13See?
15:13There are actually two distinct lines that don't line up.
15:17Like I said earlier,
15:18there are indeed two triangles in this image.
15:21Just not in the way we expect.
15:23Let's separate these shapes and...
15:25Wow, there they are!
15:27This illusion works because when we see objects
15:29that are partly hidden,
15:31our brains sort of create imaginary outlines
15:34to make things seem more logical.
15:36But those outlines aren't actually there.
15:39The same happens here.
15:41Your brain thinks this image is just bizarre
15:43and tries to figure it out
15:45by filling in the empty spaces in the middle.
15:47So, you end up seeing the gray areas
15:50as part of a single translucent rectangle,
15:52which definitely doesn't exist.
15:55Ha ha ha, crazy, huh?
15:57Can you read between the lines
15:59or see something hidden in the images that look plain?
16:02Let's try with the first one.
16:05Did you see a woman here?
16:07Or the word HOPE?
16:09Both are correct,
16:10but it's cool how some people
16:12first see the woman and then the word.
16:14And for others, it's vice versa.
16:17One more cool thing about this illusion
16:19is that the letters HOPE
16:21are all perfectly aligned,
16:23but the background makes your brain
16:24think they are leaning.
16:26Looking at this one for too long
16:28can strain your eyes a bit,
16:29so let's move on to the second one.
16:32What color balls do you see here?
16:35I definitely see blue, red, and green ones.
16:38If you see the same colors, we're both wrong.
16:41In reality, all the balls here
16:43are of the exact same shade of brown.
16:46The lines in front and between them
16:48trick your brain into seeing more colors here.
16:51All right, let's check out what's up here.
16:54Looks like an innocent gradient square at first,
16:56but I guess it can surprise us.
16:59Hey, is that square moving?
17:00It shouldn't be because the image is perfectly stable.
17:03It's like some 3D pattern magic.
17:07I mostly use ChatGPT when I run out of dinner ideas,
17:10but one Reddit user asked it to create a color
17:13humans have never seen before.
17:15I'm not sure if this can be called one color.
17:18I guess it's more of a conceptual vision of a color.
17:21People who also tried to see something here
17:23said strange things started happening.
17:26It must be sort of like a magic eye illusion
17:29that you have to stare through.
17:31Did you also read the word fame in this image
17:34after staring for a while?
17:36Or was it just me?
17:38Here's another ChatGPT creation for you.
17:41The combo of shapes here and light and dark spots
17:44sends your brain on an endless spiral journey.
17:48Some Redditors said they wouldn't mind living
17:50in this surreal village.
17:52I guess I'll join them.
17:54Let's try a more complex one, the coffer illusion.
17:58What do you see here?
18:00Let me guess, it's 20 squares.
18:02They're also known as coffers,
18:05those rectangular figures with sunken panels
18:07you can find on ceilings.
18:09This optical trap was discovered by a psychology professor
18:13who was doing his research for future experiments.
18:16Are you ready for the big reveal?
18:18There are 16 circles hiding between the squares.
18:22This illusion has become a real hit.
18:24You see squares first because your brain prefers
18:27to focus on corners and angles.
18:29It could be because sharp lines give it more critical information
18:33than straight curves.
18:35Plus, there are more rectangular shapes around us
18:38like computer screens, signs, and buildings.
18:42The next illusion has sparked some serious debates online.
18:45I'd like to hear your opinion on it.
18:47What's hiding behind all the colors?
18:49Is it a baboon?
18:51Or maybe a lion?
18:53Someone clearly saw a bear
18:54and one more option is a tarantula.
18:58Hmm.
18:58I guess I stand with those who see a human silhouette here.
19:02But there's no right or wrong answer here.
19:06Get ready for another illusion that has divided the internet.
19:10Some people say they feel like they're wearing 3D glasses
19:13while staring at this one.
19:15It seems like the red circle is on top
19:17and the blue one is just the background for it.
19:20Other people don't see anything special about this image.
19:24If you see that 3D effect,
19:26it's because of a cool trick that happens with your eyes
19:28when you look at certain colors next to each other.
19:31It makes it hard for your eyes to focus on both colors at the same time.
19:35This happens because the colors have different wavelengths,
19:39which are like the sizes of the waves of light that each color makes.
19:43Your brain can't put them together nicely
19:45and you start seeing things that aren't there.
19:49Now, meet the impossible triangle,
19:51also known as the Penrose Triangle.
19:54Do you see what's wrong with it?
19:56A real triangle has 3 sides
19:59and each side connects smoothly to the next one.
20:01The Penrose Triangle looks like a normal one at first,
20:05but when you look closer,
20:07you see that one of its sides
20:08looks like it's both in front
20:10and behind the other side at the same time,
20:13which is not possible in real life.
20:16This is why it's called an impossible object.
20:19If you tried to build it with sticks or blocks,
20:21it wouldn't work
20:22because it breaks the rules of geometry.
20:24There are also other impossible shapes with 4 or more sides.
20:31Are you ready for the next illusion?
20:33The two red lines curved inwards,
20:35although they're perfectly straight in reality.
20:38This illusion is one of many tricks
20:40that make simple line drawings look strange or distorted.
20:43Scientists think it works like this
20:46because our brains try to make sense
20:47of the angles where the lines meet.
20:49When sharp angles are involved,
20:51our brains sometimes see them
20:53as bigger than they really are.
20:55In this illusion,
20:57blue lines cross the red lines,
20:58and this makes our brains see the red lines
21:01as bending inward.
21:04Alright, what do you see here?
21:06A bright white triangle on top of other figures?
21:10Congrats!
21:11You've just been tricked by the Kanika triangle.
21:13There are no real triangles in the picture.
21:16What you're seeing are three shapes
21:18that look like Pac-Man.
21:21Our eyes and brains are really good
21:23at filling in missing pieces
21:24and seeing whole shapes,
21:26even when they aren't really there.
21:28This is why we see a triangle
21:30that looks brighter
21:31and seems to be sitting on top of the Pac-Man shapes,
21:34even though it's just an illusion.
21:36There's another similar trick
21:38called the Kanika square.
21:40Here, your brain also sees a square
21:42that isn't really there.
21:46If you have a toy train track at home,
21:48you can see the next illusion in action.
21:51You'll need to take two segments of the same size
21:53and put them next to each other.
21:55One of them now looks way larger
21:56than the other one.
21:58But wait, you just saw with your own eyes
22:00the pieces are the same.
22:02It turns out that your brain compares
22:05the two sides of the pieces
22:06that are next to each other.
22:07It compares the right side of the track
22:09that's on the left
22:10to the left side of the track
22:12that's on the right.
22:15Let's move on before the train arrives.
22:17There are also 12 dots here
22:20and all of them are the same color, lilac.
22:23Now, try to stare at the cross
22:25in the middle of the dot ring.
22:27As one lilac dot disappears for a moment,
22:30a green dot takes its place.
22:32Wow!
22:33It also gradually wipes away
22:35other lilac dots one by one
22:37as it moves around the circle.
22:39This is the after image effect in action.
22:42The rods and cones adjust
22:44to the constant disappearance of lilac dots.
22:47They replace it with a color
22:48from the opposite end of the spectrum
22:50so it looks green to you.
22:54How many colors do you see here?
22:56Did I hear someone say 3
22:58or was it 17?
23:00There's no correct or wrong answer here.
23:02Austrian physicist Ernst Mach
23:04first noticed this paradox.
23:06You can easily distinguish
23:08between similar colors
23:09or slightly contrasting shades
23:11when they're close to each other.
23:13But the further away they get from each other,
23:15the smaller the difference.
23:16At some point,
23:17it gets barely noticeable.
23:19If you can't see the difference
23:20between contrasting colors here at all,
23:23it could be because your brain
23:24is built differently
23:25or your contrast and brightness settings
23:28are a bit off.
23:31How many black dots
23:32can you see in this image?
23:35There are 12 of them,
23:36but most people can't see them all at once,
23:39although they are perfectly visible.
23:42Your peripheral vision
23:44isn't that perfect,
23:45so you can only see each of the dots
23:47when you look directly at it.
23:49So, your brain has to fill in the blanks.
23:52The white between gray lines
23:54makes it think the dots
23:55are lighter than they are.
23:56So, it decides to pretend
23:58there's just more gray
24:00and the dots aren't there.
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