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glycogen

(Encyclopedia)glycogen glīˈkəjən [key], starchlike polysaccharide (see carbohydrate) that is found in the liver and muscles of humans and the higher animals and in the cells of the lower animals. Chemically it ...

field, in physics

(Encyclopedia)field, in physics, region throughout which a force may be exerted; examples are the gravitational, electric, and magnetic fields that surround, respectively, masses, electric charges, and magnets. The...

momentum

(Encyclopedia)momentum mōmĕnˈtəm [key], in mechanics, the quantity of motion of a body, specifically the product of the mass of the body and its velocity. Momentum is a vector quantity; i.e., it has both a magn...

Henderson, Leon

(Encyclopedia)Henderson, Leon, 1895–1986, American economist, administrator of the Office of Price Administration (1941–42), b. Millville, N.J. An official of the Russell Sage Foundation (1925–34), Henderson ...

equal-time rule

(Encyclopedia)equal-time rule, a Federal Communications Commission rule that requires equal air time for all major candidates competing for political office. It was preceded by the fairness doctrine, abolished in 1...

Bellows, Henry Whitney

(Encyclopedia)Bellows, Henry Whitney, 1814–82, American clergyman, b. Boston. From 1839 until his death he was pastor of the First Congregational Society, Unitarian (later Church of All Souls) in New York City. B...

Hertz, Gustav

(Encyclopedia)Hertz, Gustav go͝osˈtäf hĕrts [key], 1887–1975, German physicist. He is noted for his work on the atom, and he shared with James Franck the 1925 Nobel Prize in Physics for research (1914) on the...

Haas, Arthur Erich

(Encyclopedia)Haas, Arthur Erich häs [key], 1884–1941, American physicist and educator, b. Bohemia. He was professor of physics at Vienna, Leipzig, London, and, from 1936, the Univ. of Notre Dame, South Bend, In...

Gassendi, Pierre

(Encyclopedia)Gassendi, Pierre pyĕr gäsäNdēˈ [key], 1592–1655, French philosopher and scientist. A teacher and priest, Gassendi taught at Digne, Aix, and the Royal College at Paris and held several church of...

Newlands, John Alexander Reina

(Encyclopedia)Newlands, John Alexander Reina, 1838–98, British chemist. He studied at the Royal College of Chemistry in London and worked as an industrial chemist. Newlands prepared the first periodic table of el...