Optical Illusions
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A fishy alien
Beads appear to move.
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Trunks
Horizontal line segments appear to tilt.
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Dynamo
The figure consists of straight lines but appears to show curves.
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Doors
The white rectangles appear to be distorted.
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Hina-arare*
* Colored sugar for the Hinamatsuri (the celebrating day for girls, 3rd March)
The figure consists of vertical or horizontal components but appears to include curves.
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Makkurokurosuke and Masshiroshirosuke*
* Imaginary black or white bugs
The background is a checkerboard made up of squares but the figure appears to curve toward the center.
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A moth
Squares appear to move.
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Escalators
The inset appears to move.
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Bugs
The vertical or horizontal edges appear to be distorted and the figure to be wavy.
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Tilt T
"T" appears to tilt clockwise.
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A mahjong table
This figure consists of squares but appears to be wavy.
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Rays on wave
This figure gives wavy impression.
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Swallows
The first amd third lines appear to move upward while the others downward.
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An oscillating fan
The innermost ring appears to shift leftward for 4 seconds, while it appears to move rightward the next 4 seconds.
This GIF file contains two images.
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Seeds of a sunflower
The inset appears to move rightward.
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A handkerchief
The image appears to wave.
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An optician's
Glasses appear to move up and down.
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Knitting
"Threads" appear to move.
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Memory
Spirals appear to rotate or expand/contract when observers approach or move away from the image fixating at the center.
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Tyres
The center part of each tyre appears to rotate.
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Ancient creatures
The upper creature appears to slide rightward while the lower one to move leftward.
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Ghosts
Low-contrast ellipses sometimes appear to move in the horizontal direction.
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Moon walk
The half moons appear to move.
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Space clouds
Clouds appear to move.
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Expanding white gratings
White gratings appear to expand in the horizontal direction.