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Optical Illusions (SandlotScience.com)

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Visit this site: http://www.sandlotscience.com/
Author:SandlotScience
Description: Interactive explorations of optical effects, illusions, distortions, animations, artwork, stories, PDF projects, games, and more. Impossible objects include columns, an endless staircase and animated stairs, Java triangle models, an interlaced tri-bar, an impossible hexnut, and others. Distortion illusions include Java breathing objects, a cafe wall, Fraze's Spiral, Poggendorf's Illusion, a twisted cord, and more. Also contrast and color illusions, ambiguous typography, games and puzzles, ambiguous figures, after-effects, camouflage, moiré patterns, and "giants of illusions" (Jerry Andrus, M. C. Escher, Sandro del Prete). A duplicate of the site is at http://www.lainet.com/~ausbourn/.
Levels: Elementary, Middle School (6-8), High School (9-12), College
Languages: English
Resource Types: Graphics, Games, Problems/Puzzles, Recreations, Web Interactive/Java
Math Topics: Higher-Dimensional Geometry, Polyhedra, Topology, Art

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