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Fert, Albert

(Encyclopedia)Fert, Albert älbârˈ fâr [key], 1938– French physicist, b. Carcassonne, France. After receiving his Ph.D. at the Univ. of Paris-Sud in 1970 Fert accepted a teaching position there and headed a re...

French, John Denton Pinkstone, 1st earl of Ypres

(Encyclopedia)French, John Denton Pinkstone, 1st earl of Ypres ēˈprə [key], 1852–1925, British field marshal. After a long career in the army, during which he served in Sudan (1884–85) and in the South Afric...

Babylon, ancient city, Mesopotamia

(Encyclopedia)Babylon băbˈəlŏn [key], ancient city of Mesopotamia. One of the most important cities of the ancient Middle East, it was on the Euphrates River and was north of the cities that flourished in S Mes...

Mound Builders

(Encyclopedia)Mound Builders, in North American archaeology, name given to those people who built mounds in a large area from the Great Lakes to the Gulf of Mexico and from the Mississippi River to the Appalachian ...

postal service

(Encyclopedia)postal service, arrangements made by a government for the transmission of letters, packages, and periodicals, and for related services. Early courier systems for government use were organized in the P...

Maxwell, James Clerk

(Encyclopedia)Maxwell, James Clerk klärk [key], 1831–79, great Scottish physicist. After a brilliant career at Edinburgh and Cambridge, where he won early recognition with mathematical papers, he was a professor...

subsidence

(Encyclopedia)subsidence, lowering of a portion of the earth's crust. The subsidence of land areas over time has resulted in submergence by shallow seas (see oceans). Land subsidence can occur naturally or through ...

strip cropping

(Encyclopedia)strip cropping, practice of growing field crops in narrow strips either at right angles to the direction of the prevailing wind, or following the natural contours of the terrain to prevent wind and wa...

Geikie, Sir Archibald

(Encyclopedia)Geikie, Sir Archibald gēˈkē [key], 1835–1924, British geologist, educated at the Univ. of Edinburgh. He joined the Geological Survey of Scotland, becoming its director in 1867. He was professor o...

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