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In a figure / ground ambigram, letters fit together so the negative space around and between one word spells another word. [42] In Gestalt psychology, figure–ground perception is known as identifying a figure from the background. For example, black words on a printed paper are seen as the "figure", and the white sheet as the "background".
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: Illusory contours or subjective contours are a form of visual illusion where contours are perceived without a luminance or color change across the contour. Impossible object
Word list Drawing up a comprehensive list of words in English is important as a reference when learning a language as it will show the equivalent words you need to learn in the other language to achieve fluency.
Eigengrau (German for "intrinsic gray"; pronounced [ˈʔaɪ̯gŋ̍ˌgʁaʊ̯] ⓘ), also called Eigenlicht (Dutch and German for "intrinsic light"), dark light, or brain gray, is the uniform dark gray background color that many people report seeing in the absence of light.
In this image, both RGB and Natural Color System color pairs are provided. It may be necessary to zoom to adjust the image. Some people may be able to see the color "red-green" in this image by letting their eyes cross so that both + symbols are on top of each other. In this image, both RGB and Natural Color System color pairs are provided. It ...
A riddle is a statement, question or phrase having a double or veiled meaning, put forth as a puzzle to be solved. Riddles are of two types: enigmas, which are problems generally expressed in metaphorical or allegorical language that require ingenuity and careful thinking for their solution, and conundra, which are questions relying for their effects on punning in either the question or the ...
The word "orange" is a noun and an adjective in the English language. In both cases, it refers primarily to the orange fruit and the color orange , but has many other derivative meanings. The word is derived from a Dravidian language , and it passed through numerous other languages including Sanskrit and based on Nārang in Persian and after ...
A single letter may even fill multiple pronunciation-marking roles simultaneously. For example, in the word ace, e marks not only the change of a from /æ/ to /eɪ/, but also of c from /k/ to /s/. In the word vague, e marks the long a sound, but u keeps the g hard rather than soft.