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Potteries, the

(Encyclopedia)Potteries, the, area, c.9 mi (15 km) long and 3 mi (4.8 km) wide, Staffordshire, W central England, extending northwest-southeast in the upper Trent valley. The area includes Stoke-on-Trent and part o...

Welch, Jack

(Encyclopedia)Welch, Jack (John Francis Welch, Jr.), 1935–2020, American business executive, b. Salem, Mass., grad. Univ. of Massachusetts (1957); Univ. of Illinois (M.S., 1958; Ph.D., chemical engineering, 1960)...

Steinberger, Jack

(Encyclopedia)Steinberger, Jack (Hans Jakob Steinberger), 1921–2020, American physicist, b. Kissingen, Germany, Ph.D. Univ. of Chicago, 1948. He and a brother were sent to the United States in 1934 as the Nazis r...

superconductivity

(Encyclopedia)superconductivity, abnormally high electrical conductivity of certain substances. The phenomenon was discovered in 1911 by Heike Kamerlingh Onnes, who found that the resistance of mercury dropped sudd...

pulley

(Encyclopedia)CE5 Pulleys: The mechanical advantage (MA) of a system of pulleys is equal to the number of supporting strands: in A MA=1 and in B MA=2. pulley, simple machine consisting of a wheel over which a r...

pipe

(Encyclopedia)pipe, hollow structure, usually cylindrical, for conducting materials. It is used primarily to convey liquids, gases, or solids suspended in a liquid, e.g., a slurry. It is also used as a conduit for ...

colloid

(Encyclopedia)colloid kŏlˈoid [key] [Gr.,=gluelike], a mixture in which one substance is divided into minute particles (called colloidal particles) and dispersed throughout a second substance. The mixture is also...

Corea, Chick

(Encyclopedia) Corea, Chick (Armando Anthony), 1941-2021, American jazz pianist, composer, and bandleader, b. Chelsea, Ma. Corea’s father was a bandleader in Boston...

Gilbert, William

(Encyclopedia)Gilbert, William, 1544–1603, English scientist and physician. He studied medicine at Cambridge (M.D., 1569), where he was elected a Fellow of St. John's College, and set up practice in London, becom...

Millikan, Robert Andrews

(Encyclopedia)Millikan, Robert Andrews mĭlˈĭkən [key], 1868–1953, American physicist and educator, b. Morrison, Ill., grad. Oberlin College, 1891, Ph.D. Columbia, 1895, studied in Germany. He taught (1896–1...