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Saint Thomas, city, Canada

(Encyclopedia)Saint Thomas, city (1991 pop. 29,990), S Ont., Canada, S of London. Originally the center for a rich agricultural area, it became a rail and manufacturing center beginning in the late 1800s. Motor veh...

Elkhart

(Encyclopedia)Elkhart, city (2020 pop. 53,923), Elkhart co., N Ind., at the confluence of the Elkhart and St. Joseph rivers; settled 1824, inc. 1877. The city's statu...

DeLorean, John Zachary

(Encyclopedia)DeLorean, John Zachary, 1925–2005, American automobile executive and entrepeneur, b. Detroit. Son of a Ford Motor Co. worker, he attended the Lawrence Institute of Technology (B.S. 1948) and later e...

MacCready, Paul Beattie

(Encyclopedia)MacCready, Paul Beattie, 1925–2007, American engineer and inventor known for his achievements in human-powered flight, b. New Haven, Conn., Ph.D. California Institute of Technology, 1952. In 1997 he...

transducer

(Encyclopedia)transducer, device that accepts an input of energy in one form and produces an output of energy in some other form, with a known, fixed relationship between the input and output. One widely used class...

Hertz, Heinrich Rudolf

(Encyclopedia)Hertz, Heinrich Rudolf hĕrts [key], 1857–94, German physicist. He confirmed J. C. Maxwell's electromagnetic theory and in the course of experiments (1886–89) produced and studied electromagnetic...

blanket

(Encyclopedia)blanket, sheet, usually of heavy woolen, or partly woolen, cloth, for use as a shawl, bed covering, or horse covering. The blanketmaking of primitive people is one of the finest remaining examples of ...

galvanometer

(Encyclopedia)CE5 Galvanometer galvanometer gălˌvənŏmˈətər [key], instrument used to determine the presence, direction, and strength of an electric current in a conductor. All galvanometers are based upo...

electrolysis, cosmetic

(Encyclopedia)electrolysis, cosmetic, method of permanently removing superfluous or unwanted hair. A fine needle is inserted into the hair follicle; the application of an electric current through the needle destroy...

McPherson

(Encyclopedia)McPherson, city (1990 pop. 12,422), seat of McPherson co., central Kans., in a farm area on the old Santa Fe Trail; inc. 1874. The city has an oil refinery and factories that make plastics, railroad e...