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The Thatcher effect or Thatcher illusion is a phenomenon where it becomes more difficult to detect local feature changes in an upside-down face, despite identical changes being obvious in an upright face. It is named after the then British prime minister Margaret Thatcher, on whose photograph the effect was first demonstrated.
Public image of Barack Obama. Barack Obama shaking hands with supporters in 2008. Barack Obama, who served as the 44th President of the United States, has elicited a number of public perceptions regarding his personality and background. As the first African-American President of the United States, his race and culture played a prominent role ...
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.
Ames room. Photograph of two adults standing in an Ames room, apparently with a significant difference in size. An Ames room is a distorted room that creates an optical illusion. Likely influenced by the writings of Hermann Helmholtz, [ 1] it was invented by American scientist Adelbert Ames Jr. in 1946, [ 2] and constructed in the following year.
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.
Michael Murphy (born March 22, 1975) is an American artist, sculptor and pioneer of the perceptual art movement. Murphy became widely known during the 2008 U.S. presidential election, after creating the first portrait of candidate Barack Obama in 2007 that influenced thousands of artists to contribute to the "Art for Obama" movement, documented in Shepard Fairey's book Art for Obama: Designing ...
A More Perfect Union (speech) " A More Perfect Union " [ 1][ 2] is the title of a speech delivered by then- Senator Barack Obama on March 18, 2008, in the course of the contest for the 2008 Democratic Party presidential nomination. [ 2] Speaking before an audience at the National Constitution Center in Philadelphia, Pennsylvania, Obama was ...
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 ...