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My Lai incident

(Encyclopedia)My Lai incident mē lī [key], a massacre of Vietnamese civilians by U.S. soldiers in the Vietnam War. On Mar. 16, 1968, a unit of the U.S. army's Americal division, led by Lt. William L. Calley, inva...

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...

Fernández de Kirchner, Cristina Elisabet

(Encyclopedia)Fernández de Kirchner, Cristina Elisabet krēstēˈnä ālēsäbātˈ fārnänˈdās dā kērchˈnâr [key], 1953–, Argentinian politician. A Peronist student activist in the 1970s, she received (1...

Tula , ancient city, Mexico

(Encyclopedia)Tula to͞oˈlä [key], ancient city in the present state of Hidalgo, central Mexico. It was one of the chief urban centers of the Toltec. The city is believed to be Tollán, the legendary Toltec capit...

Valla, Lorenzo

(Encyclopedia)Valla, Lorenzo lōrānˈtsō välˈlä [key], c.1407–57, Italian humanist. Valla knew Greek and Latin well and was chosen by Pope Nicholas V to translate Herodotus and Thucydides into Latin. From hi...

americium

(Encyclopedia)americium ămərĭˈshēəm [key], artificially produced radioactive chemical element; symbol Am; at. no. 95; mass no. of most stable isotope 243; m.p. about 1,175℃; b.p. about 2,600℃; sp. gr. 13....

Fulbright, James William

(Encyclopedia)Fulbright, James William, 1905–95, U.S. Senator from Arkansas (1945–75), b. Sumner, Mo. A Rhodes scholar, he was admitted (1934) to the bar and served (1934–35) in the antitrust division of the ...

hypnotism

(Encyclopedia)hypnotism hĭpˈnətĭzəm [key] [Gr.,=putting to sleep], to induce an altered state of consciousness characterized by deep relaxation and heightened suggestibility. The term was originally coined by ...

vortex

(Encyclopedia)vortex vôrˈtĕks [key], mass of fluid in whirling or rotary motion. To simplify the analysis, vortex motion usually describes motions in a frictionless fluid. In such cases the absence of friction w...

USA PATRIOT Act

(Encyclopedia)USA PATRIOT Act [Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorists], 2001, U.S. federal law intended to give federal authorities increased ...