Rotating Circles - Grelstaff & Pinna |
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 This is a great illusion ! Look at the black dot in the middle and move you head forward and backward. You will see both circles rotating in different directions ! How does it work ? If you move further away, the circles will become smaller for you. This means every symbol moves inwards, and their slanted edge give the impression of circumferential motion. If the edges are not slanted enough, the illusion doesn't work near as good.
Number of ratings : 612. |
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::  1999 |
| Disappearing Dot - |
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 This is one of the most amazing illusions. Keep staring at the blue dot in the middle of the picture. The blue dot will shrink slowly and then disappear completely !
Number of ratings : 546. |
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| Checker Shadow - Ted Adelson |
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 It's very hard to believe, but the squares A and B are the same shade of gray. Click on the picture for proof. Even when you know it's true you'll still have trouble believing it.
Number of ratings : 472. |
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:: 1995 |
| Ferris wheel illusion - |
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 Is the wheel turning to the right or the left ? When you look at the left, it seems to be turning left, when you look to the right, . . . In fact this animation has only two frames, this means there are only two different positions for the wheel. The wheel is not turning at all ; your imagination is filling in the gaps !
Number of ratings : 392. |
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| 7 Horses - Jim Warren |
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 Can you find all seven horses ?
Number of ratings : 321. |
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| Zoo face - |
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 A whole zoo of animals is used to assemble the portrait of a man. There should be 30 animals.
Number of ratings : 219. |
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| Liar - Paul Agule |
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 This man is clearly a liar. If you look at his face sideways, so that his nose is facing down, you can literally read it on his face. His nose is L and I, his mouth is A and his neck is R.
Number of ratings : 217. |
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| Real impossible triangle - Mathieu Hamaekers |
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 A real picture of an impossible triangle. How did he do that ? Click on the picture and see how it looks from another angle.
Number of ratings : 214. |
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| Valley of the tiger - Donald Rust |
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 You can see the tiger on the thumbnail. Now click on it to see what else there is ... Quite amazingly, this is a scene at a river with two tigers resting at the riverside. They are just below the tiger's eyes.
Number of ratings : 196. |
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| - |
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 A male face that is shaped by nude women.
Number of ratings : 190. |
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| Seven Hearts - Jim Warren |
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 Can you find all seven hearts ?
Number of ratings : 178. |
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| Frog and horse - |
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 It's just a frog. But when you turn the picture to the left, it's the picture of a horse ! Impressive, no ?
Number of ratings : 175. |
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| 7 Dolphins - Jim Warren |
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 Can you find all seven dolphins ?
Number of ratings : 162. |
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| Wild Waters - Jim Warren |
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 The waves transform into horses galloping out of the sea.
Number of ratings : 155. |
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::  Poster |
| Apparition - |
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 Keep staring at this picture for about 20 seconds and then look at a white surface (a wall or a big piece of paper). One of the very classic illusions. The best thing is ; the afterimage seems to be more detailed than the original.
Number of ratings : 145. |
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::  Info |
| Swans reflecting elephants - Salvador Dalí |
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 Just as the title says, the swans are reflecting elephants in the lake. This is one of the more popular classics by Dalí, especially on calendars and posters.
Number of ratings : 142. |
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:: 1937 :: Poster |
| Big Fun - John Langdon |
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 It can't be more obvious, this man is having big fun. His face is made out of the words themselves.
Number of ratings : 141. |
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| Alpine Chorus - John Van Straalen |
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 Can you count five howling wolves ?
Number of ratings : 132. |
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| Swan or squirrel ? - |
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 Very unknown but fairly good example of a basic ambiguous image. A swan facing to the left and a squirrel facing to the right.
Number of ratings : 125. |
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| Cat or couple - |
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 This couple dining at a table has the shape of a cat's head when looking at the smaller picture.
Number of ratings : 124. |
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| Drawing hands, Tekenen - M.C. Escher |
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 Escher wanted to show the illusion of a drawing as directly as he could. It looks like two threedimensional hands are drawing each other on a piece of paper. Which, in turn, is drawn on another piece. I wonder : would this be Eschers hand, and the pen he was using at the moment ?
Number of ratings : 118. |
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:: 1948 :: Poster |
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