Visual puzzles. Optical illusion (14 illusions)
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Even the most hardened skeptics believe what their senses tell them, but the senses are easily deceived.
Optical illusion - impression of visible object or a phenomenon that does not correspond to reality, i.e. optical illusion. Translated from Latin, the word “illusion” means “error, delusion.” This suggests that illusions have long been interpreted as some kind of malfunction in the visual system. Many researchers have been studying the causes of their occurrence.
Some visual illusions have long had a scientific explanation, others still remain a mystery.
website continues to collect the coolest optical illusions. Be careful! Some illusions may cause tears, headache and disorientation in space.
Endless chocolate
If you cut a chocolate bar 5 by 5 and rearrange all the pieces in the order shown, then out of nowhere an extra piece of chocolate will appear. You can do the same with an ordinary chocolate bar and make sure that this is not computer graphics, but a real-life riddle.
Illusion of bars
Take a look at these bars. Depending on which end you are looking at, the two pieces of wood will either be next to each other, or one of them will be lying on top of the other.
Cube and two identical cups
Optical illusion created by Chris Westall. There is a cup on the table, next to which there is a cube with a small cup. However, upon closer examination, we can see that in fact the cube is drawn, and the cups are exactly the same size. A similar effect is noticeable only at a certain angle.
Illusion "Cafe Wall"
Take a close look at the image. At first glance, all the lines seem to be curved, but in fact they are parallel. The illusion was discovered by R. Gregory at the Wall Cafe in Bristol. This is where its name came from.
Illusion of the Leaning Tower of Pisa
Above you see two pictures of the Leaning Tower of Pisa. At first glance, the tower on the right appears to lean more than the tower on the left, but in fact both of these pictures are the same. The reason is that the visual system views the two images as part of a single scene. Therefore, it seems to us that both photographs are not symmetrical.
Disappearing circles
This illusion is called "Vanishing Circles". It consists of 12 lilac arranged in a circle pink spots with a black cross in the middle. Each spot disappears in a circle for about 0.1 seconds, and if you focus on the central cross, you can get the following effect:
1) at first it will seem that there is a green spot running around
2) then the purple spots will start to disappear
Optical illusions are nothing more than an optical illusion of our brain. After all, when we look at a picture, our eye sees one thing, but the brain begins to protest and claim that this is not at all what it is. So it turns out that illusions are created by our mind, which begins to analyze the color, the position of the light source, the location of edges or corners, etc. Thanks to this, the correction of visual images occurs.
Be careful! Some illusions can cause tearing, headaches and disorientation in space.
Invisible chair. Optical effect that creates in the viewer misrepresentation about the location of the seat is determined by the original design of the chair, invented by the French studio Ibride.
Volumetric Rubik's Cube. The drawing looks so realistic that there is no doubt that this is a real object. Twisting the piece of paper, it becomes obvious that this is just a deliberately distorted image.
This is not an animated gif. This is an ordinary picture, all elements of which are absolutely motionless. It is your perception that is playing with you. Hold your gaze for a few seconds at one point, and the picture will stop moving.
Look at the cross in the center. Peripheral vision turns beautiful faces into monsters.
Flying cube. What looks like a real cube floating in the air is actually a drawing on a stick.
Eye? A shot from photographer Liamm, who was filming a foam sink but soon realized it was an eye staring back at him.
Which direction does the wheel spin?
Hypnosis. Stare without blinking at the middle of the image for 20 seconds, and then move your gaze to someone’s face or just a wall.
Four circles. Be careful! This optical illusion can cause headaches lasting up to two hours.
Ordering squares. The four white lines appear to be moving randomly. But once you put images of squares on them, everything becomes quite natural.
The birth of animation. Animated images by overlaying a grid of black parallel lines on the finished drawing. Before our eyes, static objects begin to move.
A selection of optical illusions and double-digit pictures.
The eyes are complex mechanism which helps a person to perceive correctly the world. But as practice shows, even such a seemingly perfect mechanism can be easily deceived.
This can be done using color contrasts, sharply changing proportions and various kinds small details. Thanks to all this, the human eye will see an optical illusion that changes depending on the angle at which you look at it.
What is visual illusion, optical illusion, surrealism?
Optical illusion
Optical illusion (visual illusion)- this is an incorrect perception of certain pictures or surrounding objects by the eyes. In this case, the eyes see the image a little differently than the brain tells them. Achieve similar effect The correct background, depth and geometric shapes arranged in a certain sequence help in the picture.
All these little tricks prevent the eyes from correctly scanning the image in front of them, and as a result, the brain forces the person to see a distorted picture. Surrealist artists take full advantage of this feature of the human eye and try to surprise people with paintings that have a special meaning. That is why surrealism can also be classified as optical illusions, capable of provoking a person to strong emotions.
Pictures-illusions for the eyes, optical illusions, and their secrets
Illusion pictures for the eyes
As you probably already understood, illusion pictures force our brain to perceive images not exactly as they look. This happens because the brain also has patterns, and if it understands that the eyes do not perceive the picture quite correctly, it begins to send impulses that make it completely different.
The brain can also be tricked using bright color. If one and the same picture is superimposed on different background, then the eye will perceive its individual details in a different color.
People are even more misled by pictures that depict geometric shapes that are contrasting in color. At first glance, it may seem to a person that they are located parallel to each other. But in fact, if you look more closely at them, you can understand that they are looking in opposite directions.
And, of course, don’t forget that a loving picture looks different from different angles. In view of this, if you make it contrasting, you will see different depths in it. This can be seen in the example with a contrasting cube.
Complex 3D stereo images for eye training with explanations
Stereo image to improve vision
3D stereo image
3D picture
3D stereo images- these are nothing more than the same optical illusions, simply created by alternating dots and textures. Main principle Such pictures are based on the brain’s ability to compare different data and estimate distances to objects, figures and points as accurately as possible.
Images like these are very often used to train the eyes during treatment. ophthalmological pathologies. According to experts, if a person looks at such pictures for at least a few minutes a day, his eyes will relax properly.
In order to see the stereo image correctly, you will first need to move a distance away from it arm's length and try to completely relax your eyes. You should try to look through the image. If you do everything correctly, after some time you will see the most realistic three-dimensional picture.
Pictures-illusions black and white, optical illusion with explanations
Three-dimensional picture in black and white
Black and white flats
If you carefully read our article, you probably realized that illusion pictures work best with color contrast. This is why black and white images are the easiest to deceive our eyes. If you just look at the simplest picture in this color scheme, you will notice that your eyes jump from one element to another, not knowing where to stop.
That is why, when looking at such an optical illusion, it seems to a person that the figures in the image are constantly moving, floating and moving. If, for example, a portrait of a person is depicted in such a color scheme, then depending on the color it will change both its contour and its shape.
Moving pictures optical illusion with explanation: photo with explanations
Eyes see movement due to correctly selected colors
The good thing about moving pictures is that they create a realistic effect. When a person looks at them, it seems to him that he really sees a waterfall or a sea that sways. The best thing in this case is that a person does not need to take absolutely any action to see everything correctly. As a rule, at the first glance at such a visual illusion, the eyes immediately catch the movement of some individual details.
Geometric moving picture
If it is a geometric picture, it will be created using contrasting shades and identical geometric shapes. In this case, the eyes will perceive it almost the same as a black and white image, making it seem to the person that the drawing is always in motion.
GIFs are an optical illusion
The square can only be seen when turning
The picture shows how you can visually enlarge an object
GIFs, like any other illusion pictures, deceive the human eye and it does not perceive them exactly as it did initially. In this case, everything is built on movement. It is from the speed and in which direction the elements move that a person can see different images.
Also, gifs allow you to visually reduce large objects quite well and enlarge very small ones. This happens by moving closer or further from the object you will be looking at.
Visual illusion pictures of hypnosis: photos with explanations
Optical illusion with depth effect
Hypnosis picture concentrating attention on the central point
Hypnosis pictures- these are images that can put a person into a state of light trance, promoting relaxation nervous system. Most often, this effect is achieved with the same contrast and the same type of lines or figures, placed from largest to smallest. Looking at the image, a person tries to understand the secret of the continuous movement of objects in his field of vision.
And the more he tries to solve the riddle of the hypnosis picture, the more he plunges into a kind of trance. If you try long time look into the center of such an optical illusion, then it will inevitably begin to seem to you that you are moving along some kind of corridor or simply falling somewhere. This state will cause you to relax and forget about everyday problems and obstacles for a while.
Double pictures of visual illusions: photos with explanations
The double meaning of minimalism
Mirror optical illusion
The main secret of double optical illusions is the almost complete repetition of all, even the smallest lines. This creates a mirror effect that allows you to create an image that will look different from different angles. In this case, you can combine two completely different designs in the picture, as long as they fit each other perfectly in shape and color scheme.
Also, a double picture can consist of two completely different images, just when you look at it you will see the outlines of the same figure.
Pictures for visual deception for children: photos with explanations
Pictures for visual deception for children
In principle, visual illusion pictures for children are also based on the contrast of colors, the depth of lines and a correctly selected background. It’s just that, unlike images for adults, in this case, upside-down pictures are most often used.
By looking at them, the baby tries to recognize what his eyes actually see, thereby helping him develop logical thinking. And in order to make it easier for small children to perceive what they see, as a rule, the drawings depict animals or plants that are familiar to them.
For example, this could be a drawing that depicts a cat that turns into an angry dog when it turns over.
In addition, children perceive very well pictures in which the same object has different lengths. In this case, the illusion effect is achieved by the correct background and different colors two figures completely identical in shape.
Geometric visual illusion pictures, triangles with explanations
Geometric illusion
Geometric illusions- this is nothing more than an image of objects of different shapes, which the eye perceives not quite as is customary in geometry. In this case, the ability of the human eye to determine the color, direction and size of objects is used.
But if in geometry they are arranged according certain rules, then in this case, for example, a rectangle can be composed of several triangles of different sizes. This illusion is designed so that a person, instead of seeing triangles, will look at parallel lines and try to understand how similar they are.
Also in geometric illusions, contrast in size is very often used. Looking at such an image, a person does not see that the two central circles are the same size. Even when looking closely, he thinks that the circle surrounded by smaller objects is larger than the one surrounded by larger ones.
Pictures of optical illusion with a dress: photos with explanations
Pictures of optical illusion with a dress
If you spend a lot of time on the Internet, then you have probably already come across a picture with a question about the color of a dress. As a rule, people cannot give a definite answer to this question as in different time day they see a different shade of the outfit. What is this connected with? As already mentioned at the very beginning of our article, the human eye is a rather complex mechanism, the main one of which is the retina (responsible for the correct perception of color).
The retina itself consists of rods and cones, the number of which determines how brightly a person perceives a particular color. For this reason, the dress may appear soft blue to some people, while deep blue to others. When it comes to optical illusions, lighting plays a huge role. In daylight it will appear lighter, but in artificial light it will appear much brighter and darker.
Picture for optical illusion – “Girl or old woman”: photo with explanations
Picture for optical illusion – “Girl or old woman”
Each of us has experienced the “Girl or Old Woman” optical illusion at least once in our lives. But, having looked at it, we simply forget about it and don’t even think about why our eyes see such a dual picture. In fact, in this case, completely two different images are skillfully connected to each other in one drawing.
If you pay closer attention, you will realize that one pattern flows smoothly into the other. For example, the oval of a young girl’s face simultaneously serves as the nose of an old woman, and her ear serves as the eye of an elderly woman.
Surrealism tattoo for optical illusion: photos, explanations
Tattoo imitating the flight of a butterfly
Surreal tattoo
Tattoo with volumetric effect
As you probably already understood, an optical illusion is nothing more than a correctly drawn picture. Therefore, if you wish, you can easily get yourself a tattoo in the style of surrealism.
All you have to do is apply it using contrasting colors, the right directions and background. All this will help you create voluminous and even visually moving images on your skin. You can see an example of a tattoo in the style of surrealism a little higher.
Optical illusions of perception in the interior: photos with explanations
Mirror surfaces in the interior
Optical illusions are good because they can radically change any room. Mirror surfaces are considered the simplest visual deception. With their help, even the smallest room will seem huge and bright.
Horizontal lines on walls
Different textures change the space well. If you want to easily stretch the room, then decorate the walls with horizontal lines. If, on the contrary, you need to reduce something, then frame it with vertical lines.
Floating table in the interior
If you wish, you can decorate your kitchen with so-called floating furniture. To do this, you will only need to buy a table whose legs will be made of either transparent plastic or glass.
Hidden doors
Also, if you wish, you can decorate your home with an invisible door. To achieve a similar effect, you will have to install a door with hidden hinges, and then decorate it in the same color as the walls.
Optical Illusion: Dress Form
Optical illusion: color
As you probably already understood, visual deception can help a person make the world around him more organic, and this applies not only to the interior. If you need to correct your figure, you can try to do this using optical illusions. All that will be required of you is to choose the right color and shape of your outfits.
Surrealism in painting: photos, paintings, explanations
Surrealism in painting
Two-faced picture
Optical illusions are very popular among artists. They help them make their paintings deeper and more interesting not only visually, but also semantically. As a rule, for this they use so-called two-faced pictures.
Most often, in this way they try to disguise the caricature. Surrealist artists in similar technology create drawings with a triple image, thereby trying to give their masterpiece a deeper meaning. You can see examples of such paintings a little higher.
Paintings in the style of surrealism by Salvador Dali
Tenderness and strength in one picture
Salvador Dali is considered the most famous surrealist in the world. He always painted images in his paintings that made a person far from art think. This is probably why even now people look at his masterpieces with great pleasure and try to understand what the great artist was thinking about when he painted them.
Video: 3D drawings, incredible optical illusions, optical illusions
An optical illusion is an impression of a visible object or phenomenon that does not correspond to reality, that is, an optical illusion. Some visual illusions have long had a scientific explanation, others still remain a mystery.
Optical illusions: optical illusion
The information collected by our eyes is in some way inconsistent with the source. Optical illusions can cause serious headaches. Therefore, such things need to be treated with caution.
There are three main types of illusions:
1. Literal optical illusions
These optical illusions are considered the simplest. They are characterized by a difference in the image (that is, the perception of the image) and the actual tangible objects that make up the picture.
A literal optical illusion makes us see completely different objects or figures from those shown in the pictures.
2. Physiological optical illusions
These illusions affect the eyes and brain by overstimulating a certain type (brightness, color, size, position, tilt, movement).
3. Cognitive optical illusions
These illusions are the result of our brain's misperceptions and unconscious inferences.
We continue to collect the coolest optical illusions. be careful: some of them can cause tearing, nausea and disorientation.
So, each of the following optical illusions can blow our minds
Do you see three pretty girls?
Now let's flip the image
Our brain rarely encounters upside-down images, so it cannot notice distortions in them
Illusion 13 people
Initially we see 12 people here, but after moving, another one appears, the 13th
Which way is the window open?
You can change direction just by thinking about it
Distortion of perception of movement
These blocks do not move one after another - their speed is the same
Fill color
Look at the black dot in the center. Keep looking at it as the picture changes.
Did you see a color photo? Now take your eyes away from the point.
Contrast simulation
The squares on the left side seem to be darker than the squares on the right
However, they are actually the same color
Ames room
Room irregular shape, used to create a three-dimensional optical illusion, was designed by American ophthalmologist Albert Ames in 1934
Dynamic brightness gradient
Slowly move your eyes closer to the screen and the “light” in the middle will become brighter
Move it back and it will become weak again.
Vanishing points
Focus your gaze on the green dot in the middle
After a while, the yellow dots will disappear one by one. In fact, they remain in place, it's just that static frames disappear from our consciousness if they are surrounded by constantly changing images.
Four Circles Illusion
None of them actually intersect
Droste effect
Droste effect - looping recursive image
Illusion of perception
The color of the stripe in the center is actually uniform and the same along the entire length
moving poster
Roll your mouse wheel up and down and you will see the poster “moving”
Selective perception
There are two photos here, and there is one difference between them
Try to find it, and once you notice the difference, it will be impossible not to see it.
Optical illusions: pictures
Which of these faces belongs to a woman and which to a man?...
Wrong... The pictures show the same face
Is this the same picture? Yes.
There is NO lake in the picture
Tilt your head and look closely at the image
This is not a bird
The picture shows a painted female figure
This floor is flat
These two monsters are the same size
The orange dots in both pictures are the same size
How many legs does an elephant have?
Are you sure of what you see?
What a wonderful picture of cars!
Or are they toy cars?
Optical illusion - pictures of illusions with explanations
Don't take optical illusions seriously, trying to understand and solve them, it's just how our vision works. So human brain processes visible light from reflected images.
Unusual shapes and combinations of these pictures make it possible to achieve a deceptive perception, as a result of which it seems that the object is moving, changing color, or an additional picture appears.
All images are accompanied by explanations: how and how long you need to look at the picture to see something that is not really there.
For starters, one of the most discussed illusions on the Internet is 12 black dots. The trick is that you can't see them at the same time. Scientific explanation This phenomenon was discovered by the German physiologist Ludimar Hermann in 1870. Human eye stops seeing the full picture due to lateral inhibition in the retina.
These figures move at the same speed, but our vision tells us otherwise. In the first gif, four figures move simultaneously while they are adjacent to each other. After separation, the illusion arises that they are moving along black and white stripes independently of each other. After the zebra disappears in the second picture, you can verify that the movement of the yellow and blue rectangles is synchronized.
Look carefully at the black dot in the center of the photo while the timer counts down 15 seconds, after which the black and white image will turn into color, that is, the grass is green, the sky is blue, and so on. But if you don’t stare at this point (to amuse yourself), the picture will remain black and white.
Without looking away, look at the cross and you will see a green spot running along the purple circles, and then they will completely disappear.
If you look at the green dot for a long time, the yellow dots will disappear.
Stare closely at the black dot and the gray stripe will suddenly turn blue.
If you cut a chocolate bar 5 by 5 and rearrange all the pieces in the order shown, an extra piece of chocolate will appear. Do this trick with a regular chocolate bar and it will never run out. (Joke).
From the same series.
Count the football players. Now wait 10 seconds. Oops! Parts of the picture are still the same, but one football player has disappeared somewhere!
The alternation of black and white squares within four circles creates the illusion of a spiral.
If you look in the middle of this animated picture, you will walk down the corridor faster; if you look to the right or left, you will walk slower.
On a white background, the gray stripe looks uniform, but as soon as the white background is replaced, the gray stripe immediately acquires many shades.
With a slight movement of the hand, the rotating square turns into chaotically moving lines.
The animation is obtained by overlaying a black grid on the drawing. Before our eyes, static objects begin to move. Even the cat reacts to this movement.
If you look at the cross in the center of the picture, then peripheral vision will turn star faces Hollywood actors in freaks.
Two pictures of the Leaning Tower of Pisa. At first glance, the tower on the right appears to lean more than the tower on the left, but in fact both of these pictures are the same. The reason is that the human visual system views two images as part of a single scene. Therefore, it seems to us that both photographs are not symmetrical.
Which direction does the subway train go?
This is how a simple color change can make the picture come to life.
We look for exactly 30 seconds without blinking, then we turn our gaze to someone’s face, an object, or another picture.
A workout for the eyes... or for the brain. After rearranging the parts of the triangle, suddenly there is free space.
The answer is simple: in fact, the figure is not a triangle; the “hypotenuse” of the lower triangle is a broken line. This can be determined by the cells.
At first glance, all the lines seem to be curved, but in fact they are parallel. The illusion was discovered by R. Gregory at the Wall Cafe in Bristol. That's why this paradox is called "The Wall in the Cafe."
Look at the middle of the picture for thirty seconds, then move your gaze to the ceiling or white wall and blink. Who did you see?
An optical effect that gives the viewer a false impression of how the chair is positioned. The illusion is due to the original design of the chair.
English NO (NO) turns into YES (YES) using curved letters.
Each of these circles rotates counterclockwise, but if you fix your gaze on one of them, the second circle will appear to rotate clockwise.
3D drawing on asphalt
Which direction does the Ferris wheel rotate? If you look to the left, then clockwise, if to the left, then counterclockwise. Perhaps it will be the other way around for you.
It's hard to believe, but the squares in the center are motionless.
Both cigarettes are actually the same size. Just place two cigarette rulers on the monitor, top and bottom. The lines will be parallel.
Similar illusion. Of course, these spheres are the same!
The droplets sway and “float”, although in reality they remain in their places, and only the columns in the background move.