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  • 6 months ago
Optical illusions are crazy tricks that make your brain see things that aren’t really there or make it interpret images in weird ways. Some illusions can make flat pictures look like they’re popping out in 3D, even though they’re completely flat! There are also ones where you might see two different images depending on how you focus, like a picture that looks like both a duck and a rabbit. Then, there are illusions that mess with size, making one object look much bigger than another, even though they’re actually the same size. Some illusions even make you feel like the picture is moving or spinning when it’s just standing still. It’s all about how your eyes and brain work together, playing tricks that twist your view of reality!

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Transcript
00:00Can you read between the lines or see something hidden in the images that look plain?
00:05Let's try with the first one.
00:08Did you see a woman here?
00:10Or the word hope?
00:12Both are correct, but it's cool how some people first see the woman and then the word,
00:17and for others, it's vice versa.
00:20One more cool thing about this illusion is that the letters hope are all perfectly aligned,
00:25but the background makes your brain think they are leaning.
00:29Looking at this one for too long can strain your eyes a bit, so let's move on to the second one.
00:35What color balls do you see here?
00:37I definitely see blue, red, and green ones.
00:41If you see the same colors, we're both wrong.
00:44In reality, all the balls here are of the exact same shade of brown.
00:48The lines in front and between them trick your brain into seeing more colors here.
00:54Alright, let's check out what's up here.
00:56Looks like an innocent gradient square at first, but I guess it can surprise us.
01:01Hey, is that square moving?
01:03It shouldn't be because the image is perfectly stable.
01:06It's like some 3D pattern magic.
01:08I mostly use ChatGPT when I run out of dinner ideas, but one Reddit user asked it to create
01:15a color humans have never seen before.
01:18I'm not sure if this can be called one color.
01:20I guess it's more of a conceptual vision of a color.
01:24People who also tried to see something here said strange things started happening.
01:28It must be sort of like a magic eye illusion that you have to stare through.
01:34Did you also read the word fame in this image after staring for a while?
01:38Or was it just me?
01:40Here's another ChatGPT creation for you.
01:44The combo of shapes here and light and dark spots sends your brain on an endless spiral journey.
01:50Some Redditors said they wouldn't mind living in this surreal village.
01:54I guess I'll join them.
01:55Let's try a more complex one.
01:59The coffer illusion.
02:01What do you see here?
02:03Let me guess.
02:04It's 20 squares.
02:06They're also known as coffers.
02:08Those rectangular figures with sunken panels you can find on ceilings.
02:12This optical trap was discovered by a psychology professor who was doing his research for future experiments.
02:19Are you ready for the big reveal?
02:21There are 16 circles hiding between the squares.
02:24This illusion has become a real hit.
02:27You see squares first because your brain prefers to focus on corners and angles.
02:32It could be because sharp lines give it more critical information than straight curves.
02:37Plus, there are more rectangular shapes around us like computer screens, signs and buildings.
02:44The next illusion has sparked some serious debates online.
02:48I'd like to hear your opinion on it.
02:50What's hiding behind all the colors?
02:51Is it a baboon or maybe a lion?
02:55Someone clearly saw a bear and one more option is a tarantula.
03:00Hmm.
03:01I guess I stand with those who see a human silhouette here.
03:04But there's no right or wrong answer here.
03:06Get ready for another illusion that has divided the internet.
03:13Some people say they feel like they're wearing 3D glasses while staring at this one.
03:18It seems like the red circle is on top and the blue one is just the background for it.
03:23Other people don't see anything special about this image.
03:26If you see that 3D effect, it's because of a cool trick that happens with your eyes when you look at certain colors next to each other.
03:34It makes it hard for your eyes to focus on both colors at the same time.
03:38This happens because the colors have different wavelengths, which are like the sizes of the waves of light that each color makes.
03:45Your brain can't put them together nicely and you start seeing things that aren't there.
03:51Now, meet the impossible triangle, also known as the Penrose Triangle.
03:57Do you see what's wrong with it?
03:58A real triangle has 3 sides, and each side connects smoothly to the next one.
04:04The Penrose Triangle looks like a normal one at first, but when you look closer,
04:09you see that one of its sides looks like it's both in front and behind the other side at the same time,
04:15which is not possible in real life.
04:18This is why it's called an impossible object.
04:22If you tried to build it with sticks or blocks, it wouldn't work because it breaks the rules of geometry.
04:27There are also other impossible shapes with 4 or more sides.
04:33Are you ready for the next illusion?
04:36The two red lines curved inwards, although they're perfectly straight in reality.
04:41This illusion is one of many tricks that make simple line drawings look strange or distorted.
04:47Scientists think it works like this because our brains try to make sense of the angles where the lines meet.
04:51When sharp angles are involved, our brains sometimes see them as bigger than they really are.
04:58In this illusion, blue lines cross the red lines, and this makes our brains see the red lines as bending inward.
05:07Alright, what do you see here?
05:09A bright white triangle on top of other figures?
05:12Congrats! You've just been tricked by the Kanika triangle.
05:16There are no real triangles in the picture.
05:19What you're seeing are three shapes that look like Pac-Man.
05:23Our eyes and brains are really good at filling in missing pieces and seeing whole shapes, even when they aren't really there.
05:31This is why we see a triangle that looks brighter and seems to be sitting on top of the Pac-Man shapes,
05:37even though it's just an illusion.
05:38There's another similar trick called the Kanika square.
05:42Here, your brain also sees a square that isn't really there.
05:49If you have a toy train track at home, you can see the next illusion in action.
05:54You'll need to take two segments of the same size and put them next to each other.
05:57One of them now looks way larger than the other one.
06:00But wait, you just saw with your own eyes the pieces are the same.
06:04It turns out that your brain compares the two sides of the pieces that are next to each other.
06:10It compares the right side of the track that's on the left to the left side of the track that's on the right.
06:18Let's move on before the train arrives.
06:20There are also 12 dots here, and all of them are the same color.
06:25Lilac.
06:25Now, try to stare at the cross in the middle of the dot ring.
06:30As one lilac dot disappears for a moment, a green dot takes its place.
06:35Wow!
06:36It also gradually wipes away other lilac dots one by one as it moves around the circle.
06:41This is the afterimage effect in action.
06:45The rods and cones adjust to the constant disappearance of lilac dots.
06:49They replace it with a color from the opposite end of the spectrum, so it looks green to you.
06:57How many colors do you see here?
06:59Did I hear someone say three, or was it 17?
07:02There's no correct or wrong answer here.
07:05Austrian physicist Ernst Mach first noticed this paradox.
07:09You can easily distinguish between similar colors or slightly contrasting shades when they're close to each other.
07:15But the further away they get from each other, the smaller the difference.
07:18At some point, it gets barely noticeable.
07:22If you can't see the difference between contrasting colors here at all,
07:25it could be because your brain is built differently,
07:28or your contrast and brightness settings are a bit off.
07:33How many black dots can you see in this image?
07:37There are 12 of them, but most people can't see them all at once,
07:42although they are perfectly visible.
07:44Your peripheral vision isn't that perfect,
07:47so you can only see each of the dots when you look directly at it.
07:51So, your brain has to fill in the blanks.
07:55The white between gray lines makes it think the dots are lighter than they are.
07:59So, it decides to pretend there's just more gray,
08:02and the dots aren't there.
08:04So, it's supposed to be a problem,
08:07and the dots can't seem physical to them.
08:10So, now that you can see theτε mental,
08:13whispers,�,
08:14and step forward through it.
08:14What you're doing about it?
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08:22So, you can get away from one Author sign,
08:25and continue looking for this image layer.
08:28And for sorting,
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08:29YE最後,
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