Sarcone's visual illusions By far the greatest illusion is reliance upon one’s own view of reality as the only reality -- G. Sarcone

Illusion of the Month #21: April - May 2013
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Letter IIn this page you can test your visual ability with interactive optical illusion challenges. Each month, we will post new puzzling illusions to solve and/or to comtemplate: ambiguous and completion figures, impossible figures, hidden objects, illusions involving colors, geometric illusions, illusory moving patterns, verbal illusions and paradoxes. All these illusions were adapted/designed by the authors with the aim of allowing the visitor/reader to:
discover how we perceive things,
test and enhance the power of observation and critical thinking skills,
improve mental flexibility,
have fun being deceived by puzzling visual challenges.

You can use the SVI feature below in your non-commercial webpage for free as long as you leave the copyright and author's info intact and link to us.

montlhly illusion
There are two fishing poles but only one has a line long enough to hang below the sign. Can you guess which pole's line is in the water? Are you absolutely sure? Can you explain how this illusion works?

arrow Submit a solution with some explanation Send your solution
[the best answer(s) will be published]

What's New: Art Prints & Stuff
Art Prints
brain and gears
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optical illusion visual illusion features

Previous Perplexing Picture Puzzles

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Sarcone's Visual Illusion features are syndicated and distributed by Knight Features. If you are interested in having SVI features published in your newspaper or review, please contact:
Tel: +44 (0) 207 622 1467
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London, SW4 7AH

The Illusion Gift Shop
Buy your favorite illusion design, created by illusionist artist and visual researcher G. Sarcone, to support Archimedes' Lab!

mask of love greeting  cards
Christmas Lights illusion

(Large Poster)

mask of love t-shirt
Mask of Love


mask of love greeting  cards
The Other Face of Paris

(Large Poster)

Moving Coffee Bean Mug
Moving Coffee Beans

(Coffee Mug)

tagsVisual test: geometric illusion, Poggendorff illusion, collinearity.

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