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robot
(Encyclopedia)robot or automaton ôtämˈətänˌ [key] mechanical device designed to perform the work generally done by a human being. The Czech dramatist Karel Čapek popularized the expression [Czech,=compulsory...Soyer
(Encyclopedia)Soyer, three brothers, American painters, emigrated with their family from Russia in 1912. Two were twins, Raphael Soyer, 1899–1987, and Moses Soyer, 1899–1974, b. Borisoglebsk. They settled in Ne...calculus of variations
(Encyclopedia)calculus of variations, branch of mathematics concerned with finding maximum or minimum conditions for a relationship between two or more variables that depends not only on the variables themselves, a...Brunelleschi, Filippo
(Encyclopedia)Brunelleschi, Filippo fēlēpˈpō bro͞onĕl-lĕsˈkē [key], 1377–1446, first great architect of the Italian Renaissance, a Florentine by birth. Trained as sculptor and goldsmith, he designed a tr...Rulers of the Byzantine Empire (table)
(Encyclopedia)Rulers of the Byzantine Empire ...marine engine
(Encyclopedia)marine engine, machine for the propulsion of watercraft. The earliest marine power plants, reciprocating steam engines, were used almost exclusively until the early 1900s. In later ship construction t...Servetus, Michael
(Encyclopedia)Servetus, Michael sərvēˈtəs [key], 1511–53, Spanish theologian and physician. His name in Spanish was Miguel Serveto. In his early years he came in contact with some of the leading reformers in ...Constitution, ship
(Encyclopedia)Constitution, U.S. 44-gun frigate, nicknamed Old Ironsides. It is perhaps the most famous vessel in the history of the U.S. navy. Authorized by Congress in 1794, the ship was launched in 1797 and was ...Guggenheim
(Encyclopedia)Guggenheim go͝ogˈənhīm [key], family of American industrialists and philanthropists. Meyer Guggenheim, 1828–1905, b. Aargau canton, Switzerland, emigrated (1847) to the United States, prospered ...Beersheba
(Encyclopedia)Beersheba bērshēˈbə, bērˈshēbə [key] [Heb.,=seven wells or well of the oath],...Browse by Subject
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