Austrian Impossible TriangleCategory: Impossible Objects | Added: May 25, 2009 |
6 commentsA large scale sculpture of an "impossible triangle", this one is located in Gotschuchen, Southern Austria.
Image Credit: Verein "Treffpunkt Physik"
Impossible Dice TriangleCategory: Impossible Objects | Added: May 25, 2009 |
11 commentsThis take on the classic "impossible triangle" or "Penrose triangle" illusion uses dice to create the appearance of an object that is fundamentally impossible in ordinary Euclidean space.
Image Credit: This image is believed to be in the public domain.
Moving SpiralsCategory: Moving Images | Added: May 25, 2009 |
27 commentsThis image of coloured spirals appears to be moving if you stare at it, however in reality it is completely stationary.
Image Credit: Akiyoshi Kitaoka
Piano Mirror IllusionCategory: Shadows and Mirrors | Added: May 25, 2009 |
17 commentsThis impressive illusion by Shigeo Fukuda is sure to boggle the mind. On the right we can see a strange structure made out of various piano parts and shapes, yet when viewed in the mirror on the left the reflection is of a completely normal looking piano.
Image Credit: Shigeo Fukuda
German Billboard IllusionCategory: 3D Illusions | Added: May 25, 2009 |
6 commentsSome advertisers use optical illusions to draw attention to and promote their products. This billboard photographed in Germany is completely flat but appears to have both inclining and extruding sections that form a basic smiling face.
Image Credit: "recrotka" on Flickr
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