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Limerick, city, Republic of Ireland

(Encyclopedia)Limerick, city (1991 pop. 56,083), seat of Co. Limerick, SW Republic of Ireland, at the head of the Shannon estuary. The city has a port with two docks. The primary imports are grain, timber, and coal...

Babbitt, Milton

(Encyclopedia)Babbitt, Milton, 1916–2011, American composer, b. Philadelphia. Babbitt turned to music after studying mathematics. He studied composition with Roger Sessions at Princeton, and taught there from 193...

Suzhou

(Encyclopedia)Suzhou, Soochow wo͞oˈshēĕnˈ [key], city (1994 pop. 710,900), SE Jiangsu prov., E central China, on the Grand Canal near Tai Lake. Suzhou, famous for its silks since the Sung dynasty, is still a ...

Vatican Library

(Encyclopedia)Vatican Library or Vatican Apostolic Library, in Rome, founded in the 4th cent. but dormant until given new life in the 15th cent. by Pope Nicholas V. It is the oldest public library in Europe and one...

Sedna

(Encyclopedia)Sedna, in astronomy, the most distant known large object in the solar system. With a highly eccentric elliptical orbit that ranges from an estimated 76 AU to 937 AU, Sedna also has an extremely long o...

Derry, city, Northern Ireland

(Encyclopedia)Derry lŭnˌdəndĕrˈē, lŭnˈdəndĕrˌē [key] city and district, NW Northern Ire...

Erdös, Paul

(Encyclopedia)Erdös, Paul ĕrˈdös [key], 1913–96, Hungarian mathematician, b. Budapest. A child prodigy, he was mostly home-schooled by his parents—both teachers of mathematics—until he entered the Univ. o...

National Security Agency

(Encyclopedia)National Security Agency (NSA), an independent agency within the U.S. Dept. of Defense. Founded by presidential order in 1952, its primary functions are to collect and analyze communications intellige...

Newcomb, Simon

(Encyclopedia)Newcomb, Simon no͞oˈkəm, nyo͞oˈ– [key], 1835–1909, American astronomer, b. Nova Scotia, grad. Lawrence Scientific School, Harvard, 1858. Living in the United States from 1853, he was appointe...

Lowell

(Encyclopedia)Lowell, city (1990 pop. 103,439), a seat of Middlesex co., NE Mass., at the confluence of the Merrimack and Concord rivers; settled 1653, set off from Chelmsford 1826, inc. as a city 1836. High-techno...