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Lurçat, Jean

(Encyclopedia) Lurçat, JeanLurçat, JeanzhäN lürsăˈ [key], 1892–1966, French artist and writer. Lurçat worked as a painter and lithographer, illustrating numerous books. He is best known, however, as…

magic square

(Encyclopedia) magic square, a square divided into parts with letters or numbers inscribed therein that, whether combined vertically, horizontally, or diagonally, form the same sum or the same word.…

entrapment

(Encyclopedia) entrapment, in law, the instigation of a crime in the attempt to obtain cause for a criminal prosecution. Situations in which a government operative merely provides the occasion for…

fluidics

(Encyclopedia) fluidics, branch of engineering and technology concerned with the development of equivalents of various electronic circuits using movements of fluid rather than movements of electric…

formula, in mathematics and physics

(Encyclopedia) formula, in mathematics and physics, equation expressing a definite fixed relationship between certain quantities. The quantities are usually expressed by letters, and their…

atlantes

(Encyclopedia) atlantesatlantesătlănˈtēz [key] [Latin plural of Atlas], sculptured male figures serving as supports of entablatures, in place of a column or pier. The earliest (c.480–460 b.c.) and…

buffer

(Encyclopedia) buffer, solution that can keep its relative acidity or alkalinity constant, i.e., keep its pH constant, despite the addition of strong acids or strong bases. Buffer solutions are…

Becker, Gary Stanley

(Encyclopedia) Becker, Gary Stanley, 1930–2014, American economist. A professor at the Univ. of Chicago from 1968, he was awarded the 1992 Nobel Memorial Prize in Economic Sciences for extending the…

triathlon

(Encyclopedia) triathlon, athletic event made up of three contests. Since the 1970s the term has come to mean especially a race combining swimming, bicycling, and running. A notable example is Hawaii…

Parícutin

(Encyclopedia) ParícutinParícutinpärēˈk&oomacr;tēn [key], active volcano, c.8,200 ft (2,500 m) high, Michoacán state, W central Mexico. In one of the most spectacular eruptions of modern times,…