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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
The globe effect, also known as rolling ball effect, is an optical illusion which can occur with optical instruments used visually, in particular binoculars or telescopes. If such an instrument is rectilinear, or free of rectilinear distortion, some observers get the impression of an image rolling on a convex surface when the instrument is panned.
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.
Also listed here are unexplained phenomena that could have an optical explanation and "optical illusions" for which optical explanations have been excluded. There are many phenomena that result from either the particle or the wave nature of light. Some are quite subtle and observable only by precise measurement using scientific instruments.
He sent a box with the instrument to Michael Faraday on 8 January 1836, since they both studied this type of optical illusions. [7] Faraday had previously inspired Plateau to use a mirror with revolving discs, which helped Plateau to develop his Fantascope a.k.a. Phénakisticope. Faraday thought the anorthoscope was a beautiful machine with an ...
An illusion device is how illusion optics works—without a device there is no way to define how light is refracted and deflected. Based on a study on circular objects with illusion optic properties, (i.e. negative refraction indexes) there are three basics of an illusion device: the invisibility cloak, real object, and illusion object. [3]
The lilac chaser illusion combines three simple, well-known effects, as described, for example, by Bertamini. [6] The phi phenomenon is the optical illusion of perceiving continuous motion between separate objects viewed rapidly in succession. The phenomenon was defined by Max Wertheimer in the Gestalt psychology in 1912 and along with ...
The part of the figure filled with some elements (upper, discretely; lower, continuously) seems longer than the unfilled part of the same lengthThe Oppel-Kundt illusion is a geometric optical illusion that occurs when comparing the sizes of filled (with some visual elements, distractors) and unfilled parts of the image (for most observers, the filled part seems larger).