Columbia Encyclopedia

Search results

156 results found

thermometer

(Encyclopedia)thermometer, instrument for measuring temperature. Galileo and Sanctorius devised thermometers consisting essentially of a bulb with a tubular projection, the open end of which was immersed in a liqui...

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...

Feldman, Morton

(Encyclopedia)Feldman, Morton, 1926–87, American modernist composer, b. New York City. An associate of John Cage and other experimental composers, Feldman was part of the so-called New York school. He was also a ...

Cartier, Sir Georges Étienne

(Encyclopedia)Cartier, Sir Georges Étienne zhôrzh ātyĕnˈ kärtyāˈ [key], 1814–73, Canadian statesman, b. Quebec prov. He was called to the bar of Lower Canada (Quebec) in 1835. He took part in the rebellio...

Filson, John

(Encyclopedia)Filson, John, c.1753–1788, Kentucky pioneer, b. Chester co., Pa. In 1783 he acquired land in Kentucky, taught school, and wrote Discovery, Settlement, and Present State of Kentucke (1784). This firs...

Smith, John, English colonist in America

(Encyclopedia)Smith, John, c.1580–1631, English colonist in America, b. Willoughby, Lincolnshire, England. A merchant's apprentice until his father's death in 1596, he thereafter lived an adventurous life, travel...

aerial and satellite photography

(Encyclopedia)aerial and satellite photography, technology and science of taking still or moving-picture photographs from a camera mounted on a balloon, airplane, satellite, rocket, or spacecraft. In the 19th cent....

scanning tunneling microscope

(Encyclopedia)scanning tunneling microscope (STM), device for studying and imaging individual atoms on the surfaces of materials. The instrument was invented in the early 1980s by Gerd Binnig and Heinrich Rohrer, w...

Russian State Library

(Encyclopedia)Russian State Library (RSL), Russia's national library, located in Moscow; one of the world's largest libraries. Moscow's first public library, the RSL was founded in 1862 as the library portion of th...

screamer

(Encyclopedia)screamer, common name for gregarious, aquatic birds comprising three species in the family Anhimidae. Although they are related to the ducks and geese, they do not resemble them in outward appearance....