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In art, chiaroscuro ( English: / kiˌɑːrəˈsk ( j) ʊəroʊ / kee-AR-ə-SKOOR-oh, -SKURE-, Italian: [ˌkjaroˈskuːro]; lit. 'light-dark') is the use of strong contrasts between light and dark, usually bold contrasts affecting a whole composition. It is also a technical term used by artists and art historians for the use of contrasts of ...
Archimedes was born c. 287 BC in the seaport city of Syracuse, Sicily, at that time a self-governing colony in Magna Graecia. The date of birth is based on a statement by the Byzantine Greek scholar John Tzetzes that Archimedes lived for 75 years before his death in 212 BC. [8] In the Sand-Reckoner, Archimedes gives his father's name as Phidias ...
Self shadows define the volume and texture of an object; cast shadows help define space. The lightest part of the shadow is the "umbra" and the darkest part is the "penumbra". The shape and appearance of the shadow depends on the size and distance of the light source: the most pronounced shadows are from small or distant sources, while a large ...
The first use of an equals sign, equivalent to 14 x + 15 = 71 in modern notation. From The Whetstone of Witte by Robert Recorde of Wales (1557). [1] In mathematics, an equation is a mathematical formula that expresses the equality of two expressions, by connecting them with the equals sign =. [2] [3] The word equation and its cognates in other ...
A small shrine or pavilion-like structure enclosing a niche for a statue.. An aedicula often consists of a pediment resting on a pair of columns. In Roman paintings it is used by itself or to frame a picture or figure. Plural Aediculae. Ala. A side room or room on the "wings" of the atrium. Plural Alae. Amphora.
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Glare (vision) Glare is difficulty of seeing in the presence of bright light such as direct or reflected sunlight or artificial light such as car headlamps at night. Because of this, some cars include mirrors with automatic anti-glare functions and in buildings, blinds or louvers are often used to protect occupants.
Thomas Edison. Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman. [1] [2] [3] He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. [4]
The Great Gatsby is a 1925 novel by American writer F. Scott Fitzgerald. Set in the Jazz Age on Long Island, near New York City, the novel depicts first-person narrator Nick Carraway 's interactions with mysterious millionaire Jay Gatsby and Gatsby's obsession to reunite with his former lover, Daisy Buchanan .
A flame (from Latin flamma) is the visible, gaseous part of a fire. It is caused by a highly exothermic chemical reaction made in a thin zone. [1] When flames are hot enough to have ionized gaseous components of sufficient density, they are then considered plasma. [vague] [2]