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Moore's Law

(Encyclopedia)Moore's Law, a projection of semiconductor manufacturing trends made by Gordon E. Moore, cofounder of the Intel Corp., in a 1965 magazine article. He observed that the number of transistors per square...

Kraków

(Encyclopedia)Kraków krăˈkou, Pol. kräˈko͞of [key], Ger. Krakau, city (1994 est. pop. 751,500), capital of Małopolskie prov., S Poland, on the Vistula. A river port and industrial center, it has varied manuf...

Knights of Labor

(Encyclopedia)Knights of Labor, American labor organization, started by Philadelphia tailors in 1869, led by Uriah S. Stephens. It became a body of national scope and importance in 1878 and grew more rapidly after ...

Preah Vihear

(Encyclopedia)Preah Vihear prä wēˈhän [key], Hindu temple dedicated to Shiva, N central Cambodia near the Thai border. Situated on the edge of a plateau overlooking the N Cambodian plain, the temple was begun i...

Safdie, Moshe

(Encyclopedia)Safdie, Moshe mōshāˈ säfˈdē [key], 1938–, Israeli-Canadian architect, b. Haifa. He grew up in Israel, moved to Canada with his family at 15, studied architecture at McGill Univ. and with Louis...

root, in mathematics

(Encyclopedia)root, in mathematics, number or quantity r for which an equation f(r)=0 holds true, where f is some function. If f is a polynomial, r is called a root of f; for example, r=3 and r=−4 are roots of th...

pi

(Encyclopedia)pi, in mathematics, the ratio of the circumference of a circle to its diameter. The symbol for pi is π. The ratio is the same for all circles and is approximately 3.1416. It is of great importance in...

spire

(Encyclopedia)spire, high, tapering structure crowning a tower and having a general pyramidal outline. The simplest spires were the steeply pitched timber roofs capping Romanesque towers and campaniles. In later Ro...

statistics

(Encyclopedia)statistics, science of collecting and classifying a group of facts according to their relative number and determining certain values that represent characteristics of the group. The most familiar stat...

stencil

(Encyclopedia)stencil, cutout device of oiled or shellacked tough and resistant paper, thin metal, or other material used in applying paint, dye, or ink to reproduce its design or lettering upon a surface. Designin...