Op art
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Op art, short for optical art, is a style of visual art that uses distorted or manipulated geometrical patterns, often to create optical illusions. It began in the early 20th century, and was especial
Movement in Squares, by Bridget Riley 1961
The Fire and Water Fountain, a public artwork installation in Tel Aviv. 1986.
Francis Picabia, c. 1921–22, Optophone I, encre, aquarelle et mine de plomb sur papier, 72 × 60 cm. Reproduced in Galeries Dalmau, Picabia, exhibition catalogue, Barcelona, November 18 – December 8, 1922.
Jesús Soto, Caracas (1996)
Optical illusion
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In visual perception, an optical illusion is an illusion caused by the visual system and characterized by a visual percept that arguably appears to differ from reality. Illusions come in a wide variet
Op art
…Op art, short for optical art, is a style of visual art that uses distorted or manipulated geometrical patterns, often to create optical illusions. It began in the early 20th century, and was especially popular from the 1960s on, the term "Op art" dating to 1964. Op artworks are normally abstract…
"The Organ Player" – Pareidolia phenomenon in Neptune's Grotto stalactite cave (Alghero, Sardinia)
Rabbit–duck illusion
Disparity illusion
Midsagittal-strip illusion. In 3D plane CD is seen, AB is not.