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A type of multistable illusion where an image of a concave object, rotated so that the light source is below, may sometimes appear convex, and vice versa. This phenomenon is because light sources tend to shine from above the subject. Delboeuf illusion: An optical illusion of relative size perception.
For example, black words on a printed paper are seen as the "figure", and the white sheet as the "background". In ambigrams, the typographic space of the background is used as negative space to form new letters and new words. For example, inside a capital H, one can easily insert a lowercase i.
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.
These writings explain how the image in a "collecting-point" or "treasure house" [note 1] is inverted by an intersecting point (pinhole) that collects the (rays of) light. Light coming from the foot of an illuminated person gets partly hidden below (i.e., strikes below the pinhole) and partly forms the top of the image.
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 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 ...
Word (computer architecture), a group of bits or digits/characters processed as a unit; Word (formal language theory), a finite sequence of letters taken from an alphabet; Word, a finite string of symbols in automata theory; words (Unix), a standard file in UNIX; Microsoft Word, a word-processing application; Calligra Words, a word-processing ...
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.