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The Droste effect (Dutch pronunciation:), known in art as an example of mise en abyme, is the effect of a picture recursively appearing within itself, in a place where a similar picture would realistically be expected to appear. This produces a loop which in theory could go on forever, but in practice only continues as far as the image's ...
The Ternus illusion (1926/1938) is based upon apparent motion. Thaumatrope: A thaumatrope is a toy that was popular in Victorian times. Trompe-l'œil: Troxler's fading: Troxler's fading: When one fixates on a particular point for even a short period of time, an unchanging stimulus away from the fixation point will fade away and disappear ...
The top and bottom images produce a dent or projection depending on whether viewed with cross- () or wall- () eyed vergence. Autostereogram of a cube rotating Autostereogram. An autostereogram is a two-dimensional (2D) image that can create the optical illusion of a three-dimensional (3D) scene.
On 9 November 1876, Wordsworth Donisthorpe filed a patent application for "an apparatus for taking and exhibiting photographs" that would "facilitate the taking of a succession of photographic pictures at equal intervals of time, in order to record the changes taking place in or the movements of the object being photographed, and also by means ...
An illusion based on Pepper's ghost involving projected images has been featured at music concerts (often erroneously marketed as "holographic"). [ 8 ] At the 2006 Grammy Awards , the Pepper's ghost technique was used to project Madonna with the virtual members of the band Gorillaz onto the stage in a "live" performance.
Art historians say Leonardo da Vinci hid an optical illusion in the Mona Lisa's face: she doesn't always appear to be smiling. There's question as to whether it was intentional, but new research ...
There are everyday examples of hidden faces, they are "chance images" including faces in the clouds, figures of the Rorschach Test and the Man in the Moon. Leonardo da Vinci wrote about them in his notebook: "If you look at walls that are stained or made of different kinds of stones you can think you see in them certain picturesque views of mountains, rivers, rocks, trees, plains, broad ...
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