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Contributions in Illusions > Geometrical Illusions

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Contributions in Illusions > Geometrical Illusions
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179-parallel lines dis

179-parallel lines dis

File Size: 30Kb

Resolution: 500x500

Even though they seem to bulge inwards, the lines are perfectly straight and parallel t...

261-blue lines twist col

261-blue lines twist col

File Size: 78Kb

Resolution: 436x500

Do the blue lines twist up and down like a water flow? This illusion is mainly due to l...

63-moving lumachine mov

63-moving lumachine mov

File Size: 59Kb

Resolution: 357x500

You may see flashing horizontal flows... The illusion of flows occurs when we look at c...

78-how many triangles2

78-how many triangles2

File Size: 37Kb

Resolution: 473x500

Can you perceive 6 triangles in this Kanisza-like figure? (Illusory figures.)

Acswamp1

Acswamp1

File Size: 357Kb

Resolution: 550x545

The vertical and horizontal lines appear to tilt in this image

Acswamp2

Acswamp2

File Size: 231Kb

Resolution: 413x408

In Akiyoshi Kitaoka's 'Waves', horzontal and vertical lines appear to tilt

Acswamp3

Acswamp3

File Size: 347Kb

Resolution: 547x540

In this illusion, horizontal and vertical lines appear to tilt

Acswamp5

Acswamp5

File Size: 581Kb

Resolution: 750x748

In Akiyoshi Kitaoka's 'Swirls', concentric circles appear to spiral

Ajisai

Ajisai

File Size: 15Kb

Resolution: 419x420

In Akiyoshi Kitaoka's 'Hydrangea', vertical and horizontal edges appear distorted

Akacho0

Akacho0

File Size: 9Kb

Resolution: 353x353

The oblique lines in this image are actually straight but appear to curve

Ambicube1

Ambicube1

File Size: 7Kb

Resolution: 200x200

This ambiguous cube is either a tiled room or a cube

Ampan

Ampan

File Size: 42Kb

Resolution: 398x391

Akiyoshi Kitaoka's 'Uzumati ampan': concentric circles appear to be spirals