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Davy, Sir Humphry
(Encyclopedia)Davy, Sir Humphry, 1778–1829, English chemist and physicist. The son of a woodcarver, he received his early education at Truro and was apprenticed (1795) to a surgeon-apothecary at Penzance. While d...area
(Encyclopedia) CE5 area, measure of the size of a surface region, usually expressed in units that are the square of linear units, e.g., square feet or square meters. In elementary geometry, formulas for the areas...statistical mechanics
(Encyclopedia)statistical mechanics, quantitative study of systems consisting of a large number of interacting elements, such as the atoms or molecules of a solid, liquid, or gas, or the individual quanta of light ...Perl, Martin Lewis
(Encyclopedia)Perl, Martin Lewis, 1927–2014, American physicist, b. Brooklyn, N.Y., Ph.D. Columbia, 1955. He was a professor at the Univ. of Michigan from 1955 to 1963, when he accepted a position at Stanford; he...smoke
(Encyclopedia)smoke, visible gaseous product of incomplete combustion. Smoke varies with its source, but it usually comprises hot gas and suspended particles of carbon and tarry substances, or soot. To reduce the a...Freeman, Orville Lothrop
(Encyclopedia)Freeman, Orville Lothrop, 1918–2003, American political figure, b. Minneapolis. In World War II he served in the U.S. marine corps, was severely wounded, and was discharged with the rank of major in...mendelevium
(Encyclopedia)mendelevium mĕndəlāvˈēəm [key], artificially produced radioactive chemical element; symbol Md; at. no. 101; mass no. of most stable isotope 258; m.p. 827℃; b.p. and sp. gr. unknown; valence +1...gamma radiation
(Encyclopedia)gamma radiation, high-energy photons emitted as one of the three types of radiation resulting from natural radioactivity. It is the most energetic form of electromagnetic radiation, with a very short ...Saarinen, Eliel
(Encyclopedia)Saarinen, Eliel säˈrĭnĕn [key], 1873–1950, Finnish-American architect and city planner, resident of the United States after 1923. In Finland, Saarinen's most celebrated building was the railway...properdin
(Encyclopedia)properdin prōˈpərdən [key], protein found in the blood serum of humans and some of the higher animals that appears to participate in certain specific immune responses. It is associated with the en...Browse by Subject
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