M.C. Escher, Another World / Andere Wereld (1947)
This is almost my favorite image by Escher. But I’d like a frEscher perspective in it: I think the bird should be looking in the other direction, out into the impossibly overlapping universes, not into the cupola and at the viewer.
Dissolving Dot Illusion by the Japanese psychologist Akiyoshi Kitaoka
Elsewhere Other-Accessible…
• This Illusion Knows When You Are Looking at It, Slate, 13ix16
The optically illusory album Merriweather Post Pavilion (2009) by Animal Collective
The Missing Square Puzzle
An animation of the puzzle
Elsewhere Other-Accessible…
• Missing square puzzle — all is explained at Wikipedia
A perceived sphere (image from AnOpticalIllusion.com)
Some examples of impossible geometry (poster at Tarquin)
When you stare at the cross for at least 30 seconds, you see three illusions:
• A gap running around the circle of lilac discs;
• A green disc running around the circle of lilac discs in place of the gap; and
• The green disc running around on the grey background, with the lilac discs having disappeared in sequence. — Lilac Chaser, Wikipedia
Elsewhere Other-Accessible…
• Troxler’s fading at Wikipedia
Chimerical colors (from Wikipedia)
(click for larger)
Abyss-illusion rug in blue and yellow (image from Temu)
Use a straight-edged object against the screen to confirm that these are straight lines
Perfect circles, despite what your eyes say
Concentric circles, not a spiral
The optical illusions above are by the Japanese psychologist Akiyoshi Kitaoka via SYFY.
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