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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. Optical illusion - Wikipedia

    en.wikipedia.org/wiki/Optical_illusion

    Optical illusion is also used in film by the technique of forced perspective. Op art is a style of art that uses optical illusions to create an impression of movement, or hidden images and patterns. Trompe-l'œil uses realistic imagery to create the optical illusion that depicted objects exist in three dimensions.

  4. Tim Rowett - Wikipedia

    en.wikipedia.org/wiki/Tim_Rowett

    Tim Rowett. Timothy Quiller Rowett (born 12 July 1942) [2][3] is a British YouTube personality and renowned toy collector, known for presenting videos about toys, optical illusions, novelties and puzzles on the YouTube channel Grand Illusions. Rowett, known affectionately as " Tim the Toyman ", [4] is a former children's entertainer, and claims ...

  5. 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.

  6. Brain Games (2011 TV series) - Wikipedia

    en.wikipedia.org/wiki/Brain_Games_(2011_TV_series)

    Brain Games is an American popular science television series that explores cognitive science by focusing on illusions, psychological experiments, and counterintuitive thinking. The series debuted on National Geographic in 2011 as a special. [1] Its return as an original series in 2013 set a record for the highest premiere rating for any ...

  7. Category:Optical illusions - Wikipedia

    en.wikipedia.org/wiki/Category:Optical_illusions

    The main article for this category is Optical illusion. See also: Category:Color appearance phenomena. Wikimedia Commons has media related to 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.

  8. Holmes library: Storytimes, crafts, exercise, optical ...

    www.aol.com/holmes-library-storytimes-crafts...

    Choose adult, teen or the children’s program; registration is required. Storytimes at the Central Library , 10:30 a.m. Fridays Feb. 2, 9, 16 and 23. Kids ages 2-5, with an adult, are invited to ...

  9. Penrose triangle - Wikipedia

    en.wikipedia.org/wiki/Penrose_triangle

    The Penrose triangle, also known as the Penrose tribar, the impossible tribar, [1] or the impossible triangle, [2] is a triangular impossible object, an optical illusion consisting of an object which can be depicted in a perspective drawing. It cannot exist as a solid object in ordinary three-dimensional Euclidean space, although its surface ...