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stimulant
(Encyclopedia)stimulant, any substance that causes an increase in activity in various parts of the nervous system or directly increases muscle activity. Cerebral, or psychic, stimulants act on the central nervous s...rapid transit
(Encyclopedia)rapid transit, transportation system designed to allow passenger travel within or throughout an urban area, usually employing surface, elevated, or underground railway systems or some combination of t...Strategic Defense Initiative
(Encyclopedia)Strategic Defense Initiative (SDI), former U.S. government program responsible for research and development of a space-based system to defend the nation from attack by strategic ballistic missiles (se...Hulse, Russell Alan
(Encyclopedia)Hulse, Russell Alan, 1950–, American astrophysicist, b., New York City, Ph.D. Univ. of Massachusetts, Amherst, 1975. Hulse was a researcher at the Princeton's plasma physics laboratory from 1977 unt...Saimaa
(Encyclopedia)Saimaa sīˈmä [key], lake system c.1,850 sq mi (4,790 sq km), occupying the heavily glaciated plateau of S central Finland. It comprises more than 120 connecting lakes; the large southern basin of t...Fourcroy, Antoine François, comte de
(Encyclopedia)Fourcroy, Antoine François, comte de äNtwänˈ fräNswäˈ kôNt də fo͞orkrwäˈ [key], 1755–1809, French chemist. He was a pioneer in animal and plant chemistry and collaborated with Lavoisier ...free energy
(Encyclopedia)free energy or Gibbs free energy, quantity derived from the relationships between heat and work studied in thermodynamics and used as a measure of the relative stability of a physical or chemical syst...disease
(Encyclopedia)disease, impairment of the normal state or functioning of the body as a whole or of any of its parts. Some diseases are acute, producing severe symptoms that terminate after a short time, e.g., pneumo...Hitchcock, Frank Harris
(Encyclopedia)Hitchcock, Frank Harris, 1867–1935, U.S. Postmaster General (1909–13), b. Amherst, Ohio. After service in the Dept. of Agriculture (1897–1903), the Dept. of Commerce and Labor (1903–5), and as...Taylor, Joseph Hooton, Jr.
(Encyclopedia)Taylor, Joseph Hooton, Jr., 1941–, American astrophysicist, b. Philadelphia, Ph.D. Harvard, 1968. Taylor was a professor at the Univ. of Massachusetts at Amherst from 1969 to 1980, when he joined th...Browse by Subject
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