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inclined plane

(Encyclopedia)CE5 Inclined plane inclined plane, simple machine, consisting of a sloping surface, whose purpose is to reduce the force that must be applied to raise a load. To raise a body vertically a force mu...

Green, William

(Encyclopedia)Green, William, 1872–1952, American labor leader, president of the American Federation of Labor (1924–1952), b. Coshocton, Ohio. He rose through the ranks of the United Mine Workers of America, of...

Joplin

(Encyclopedia)Joplin jŏpˈlĭn [key], city (1990 pop. 40,961), Jasper and Newton counties, SW Mo., at the edge of the Ozarks; settled c.1839, inc. 1873. It is a railroad center, the shipping and processing point o...

Picard, Jean

(Encyclopedia)Picard, Jean, 1620–82, French astronomer, noted for having made the first accurate measurement of a degree of the earth's meridian. The figures he established were of great value to Newton in his ca...

Fort Clatsop National Memorial

(Encyclopedia)Fort Clatsop National Memorial, now part of Lewis and Clark National Historical Park. See National Parks and Monuments (table) ...

Nüsslein-Volhard, Christiane

(Encyclopedia)Nüsslein-Volhard, Christiane,1942–, German biologist and geneticist, Ph.D. Univ. of Tübingen, 1973. Since 1985 she has been director of the genetics division of the Max Planck Institute for Develo...

Wieschaus, Eric Francis

(Encyclopedia)Wieschaus, Eric Francis, 1947–, American biologist and geneticist, b. South Bend, Ind., Ph.D. Yale 1974. He was a researcher at the European Molecular Biology Laboratory in Heidelberg, Germany, from...

Peregrinus, Petrus

(Encyclopedia)Peregrinus, Petrus (Peter the Pilgrim) pēˈtrəs pĕrəgrĭnˈəs [key], c.1220–?, medieval scholar and soldier. The tutor of Roger Bacon, he wrote the first important study of magnetism, Epistola ...

Grantham

(Encyclopedia)Grantham grănˈtəm, –thəm [key], town, in the Parts of Kesteven, Lincolnshire, E central England, on ...

Varenius, Bernhardus

(Encyclopedia)Varenius, Bernhardus bĕrnˈhärt fäˈrən [key], 1622–50, Dutch geographer. He studied to be a physician, but instead focused on geography. His first work was a geography and history of Japan, Des...