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2008-02-19

Illusions and Impossible Figures

In Wolfram MathWorld we find a survey with many references to optical illusions and impossible figures.
clipped from mathworld.wolfram.com
Illusion


clipped from www.ritsumei.ac.jp
clipped from mathworld.wolfram.com


SEE ALSO: Benham's Wheel, Black Dot Illusion,
Bullseye Illusion, Café Wall Illusion, Freemish
Crate
, Goblet Illusion,
Hermann Grid Illusion,
Hermann-Hering Illusion,
Hyzer's Illusion, Impossible Figure, Irradiation
Illusion
, Kanizsa Triangle,
Müller-Lyer Illusion,
Necker Cube, Orbison's Illusion, Parallelogram
Illusion
, Penrose Stairway,
Poggendorff Illusion, Ponzo's Illusion, Rabbit-Duck Illusion, Tribar,
Tribox, Vertical-Horizontal Illusion, Young Girl-Old Woman Illusion, Zöllner's Illusion. [Pages Linking Here]

clipped from mathworld.wolfram.com
Freemish Crate
FreemishCrate

The Freemish crate, also called Escher's cube (Elber) or Hyzer's illusion (Pappas 1989, p. 13), is an impossible figure box that can be drawn but not built
clipped from mathworld.wolfram.com


SEE ALSO: Ambihelical Hexnut, Freemish
Crate
, Home Plate, Illusion, Impossible
Fork
, Impossible Joinery,
Impossible Torus, Klein Bottle, Necker
Cube
, Penrose Stairway,
Penrose Triangle, Tribar, Tribox.
[Pages Linking Here]


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Labels: art, Escher, graphics, illusions, impossible figures, mathematics, optical illusions
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