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  2. List of optical illusions - Wikipedia

    en.wikipedia.org/wiki/List_of_optical_illusions

    The Hollow-Face illusion is an optical illusion in which the perception of a concave mask of a face appears as a normal convex face. Hybrid image: A Hybrid image is an optical illusion developed at MIT in which an image can be interpreted in one of two different ways depending on viewing distance. Illusory contours

  3. Checker shadow illusion - Wikipedia

    en.wikipedia.org/wiki/Checker_shadow_illusion

    The optical illusion is that the area labeled A appears to be a darker color than the area labeled B. However, within the context of the two-dimensional image, they are of identical brightness, i.e., they would be printed with identical mixtures of ink, or displayed on a screen with pixels of identical color. [1]

  4. Shepard tables - Wikipedia

    en.wikipedia.org/wiki/Shepard_tables

    Shepard tables illusion, named for its creator Roger N. Shepard. Shepard tables (also known as the Shepard tabletop illusion) are an optical illusion first published in 1990 as "Turning the Tables," by Stanford psychologist Roger N. Shepard in his book Mind Sights, a collection of illusions that he had created. [1]

  5. Category:Optical illusions - Wikipedia

    en.wikipedia.org/wiki/Category:Optical_illusions

    An optical illusion is any illusion that deceives the human visual system into perceiving something that is not present or incorrectly perceiving what is present. Contents Top

  6. Missing square puzzle - Wikipedia

    en.wikipedia.org/wiki/Missing_square_puzzle

    The missing square puzzle is an optical illusion used in mathematics classes to help students reason about geometrical figures; or rather to teach them not to reason using figures, but to use only textual descriptions and the axioms of geometry. It depicts two arrangements made of similar shapes in slightly different configurations.

  7. File:Optical Illustion-Ambiguous Patterns.svg - Wikipedia

    en.wikipedia.org/wiki/File:Optical_Illustion...

    Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.

  8. This train track optical illusion has derailed the entire ...

    www.aol.com/news/2016-04-08-this-train-track...

    The father, while unknowingly, was actually demonstrating the The Jastrow illusion, which is an optical illusion discovered by American psychologist Joseph Jastrow in 1892. In this illusion, two ...

  9. File:Grid illusion.svg - Wikipedia

    en.wikipedia.org/wiki/File:Grid_illusion.svg

    The following 13 pages use this file: Grid illusion; List of optical illusions; Optical illusion; Talk:Grid illusion; User:Crazy Sussex Lad/Optical illusions