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Bernoulli's principle

(Encyclopedia)CE5 Bernoulli's principle Bernoulli's principle, physical principle formulated by Daniel Bernoulli that states that as the speed of a moving fluid (liquid or gas) increases, the pressure within th...

single tax

(Encyclopedia)single tax, any levy that serves as the government's only source of revenue. Generally, however, it is understood to mean a tax derived from economic rent and used as the sole source of public receipt...

Joule, James Prescott

(Encyclopedia)Joule, James Prescott jo͞ol, joul [key], 1818–89, English physicist. His scientific researches began in his youth when he invented an electromagnetic engine. Joule made valuable contributions to th...

Great Wall of China

(Encyclopedia)Great Wall of China, series of fortifications, c.3,890 mi (6,260 km) long (not including trenches and natural defensive barriers), winding across N China from Gansu prov. to Liaoning prov. The wall, r...

Isidore of Seville, Saint

(Encyclopedia)Isidore of Seville, Saint ĭzˈədôrˌ [key], c.560–636, Spanish churchman and encyclopedist, bishop of Seville, Doctor of the Church. Born of a noble Hispano-Roman family from Cartagena, he spent ...

Friedrich Schiller University of Jena

(Encyclopedia)Friedrich Schiller University of Jena frēˈdrĭkh shĭlˈər, yāˈnə [key], at Jena, Germany; founded 1548 as an academy; became the Univ. of Jena 10 years later. The school gained an international...

Slavonia

(Encyclopedia)Slavonia sləvōˈnēə [key], Croatian Slavonija, historic region, part of Croatia. It is a fertile agricultural and forested lowland bounded, in part, by the Drava River in the north and the Sava Ri...

invariance principles

(Encyclopedia)invariance principles: see conservation laws. ...

restoration, in art

(Encyclopedia)restoration, in art: see art conservation and restoration. ...

game laws

(Encyclopedia)game laws, restrictions on the hunting or capture of wild game, whether bird, beast, or fish. After the Norman Conquest (1066), England enacted stringent game laws, known as the Forest Laws, which mad...