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The chessboard paradox [1] [2] or paradox of Loyd and Schlömilch [3] is a falsidical paradox based on an optical illusion. A chessboard or a square with a side length of 8 units is cut into four pieces. Those four pieces are used to form a rectangle with side lengths of 13 and 5 units.
In Worlds of Wonder, Gerrold describes two examples from Ringworld: scrith, strong enough to be used to build a ring 3×10 8 km in diameter; and a character deliberately bred for luck. Gerrold calls bolognium "technobabble", and cautions against overusing it, or using it carelessly; doing so harms the illusion of reality which good sci-fi needs ...
The Hering illusion (1861): When two straight and parallel lines are presented in front of radial background (like the spokes of a bicycle), the lines appear as if they were bowed outwards. Hollow-Face illusion: 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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 8 February 2025. Fear or disgust of objects with repetitive patterns of small holes or protrusions. Not to be confused with Trypanophobia. The holes in lotus seed heads elicit feelings of discomfort or repulsion in some people. Trypophobia is an aversion to the sight of repetitive patterns or clusters of ...
For θ = 5°, this is approximately 1.00765, which corresponds to a difference of about 0.8%. Interactive SVG of The Disappearing Bicyclist – in the SVG file, move the pointer to rotate the disc. A vanishing puzzle is a mechanical optical illusion showing different numbers of a certain object when parts of the puzzle are moved around. [6]
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
Op art, short for optical art, is a style of visual art that uses optical illusions. [1] Op artworks are abstract, with many better-known pieces created in black and white. Typically, they give the viewer the impression of movement, hidden images, flashing and vibrating patterns, or swelling or warping.
In video games, an open world is a virtual world in which the player can approach objectives freely, as opposed to a world with more linear and structured gameplay. [1] [2] Notable games in this category include The Legend of Zelda (1986), Grand Theft Auto V (2013), Red Dead Redemption 2 (2018) and Minecraft (2011).