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Grünberg, Peter Andreas

(Encyclopedia)Grünberg, Peter Andreas pāˈtər ändrāˈäs grünbĕrkˈ [key], 1939–2018 German physicist, b. Pilsen, Germany (now Plzeň, Czech Republic). After receiving his Ph.D. at the Darmstadt Univ. of T...

bean weevil

(Encyclopedia)bean weevil, common name for a well-known cosmopolitan species of beetle (Acanthoscelides obtectus) that attacks beans and is thought to be native to the United States. It belongs to the family Bruchi...

Western Union Telegraph Company

(Encyclopedia)Western Union Telegraph Company, enterprise created (1851) to provide telegraphic communications services in the United States. Originally known as the New York and Mississippi Valley Printing Telegra...

loudspeaker

(Encyclopedia)CE5 Electrodynamic loudspeaker loudspeaker or speaker, device used to convert electrical energy into sound. It consists essentially of a thin flexible sheet called a diaphragm that is made to vibr...

hysteresis

(Encyclopedia)hysteresis hĭsˌtərēˈsĭs [key], phenomenon in which the response of a physical system to an external influence depends not only on the present magnitude of that influence but also on the previous...

Ferraris, Galileo

(Encyclopedia)Ferraris, Galileo gälēlāˈō fār-räˈrēs [key], 1847–97, Italian physicist and electrical engineer. He is noted for his work on alternating current and for his discovery (1885) of the rotary m...

Trinity Bay

(Encyclopedia)Trinity Bay, inlet of the Atlantic Ocean, 80 mi (129 km) long, SE Newfoundland, N.L., Canada, between the Avalon Peninsula and the mainland. With its small waterfront settlements, it preserves somethi...

Fort Bragg

(Encyclopedia)Fort Bragg, U.S. army base, 11,136 acres (4,507 hectares), E N.C., N of Fayetteville; est. 1918. Originally an artillery post, it is now the principal U.S. army airborne-training center and the site o...

Garland

(Encyclopedia)Garland, city (2020 pop. 246,018), Dallas co., N Tex., a suburb of Dallas; inc. 1891. Since World War II, Garland has grown from an agricultural communi...

Silvanus

(Encyclopedia)Silvanus, in Roman religion, ancient pastoral deity, protector of uncultivated lands. It was also said that he was the guardian of field boundaries, flocks, and herds. Like the Greek Pan, with whom he...