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lupine

(Encyclopedia)lupine or lupin lo͞oˈpĭn [key], any species of the genus Lupinus, annual or perennial herbs or shrubs of the family Leguminosae (pulse family). These leguminous plants have been cultivated in the M...

atomic force microscope

(Encyclopedia)atomic force microscope (AFM), device that uses a spring-mounted probe to image individual atoms on the surface of a material, first developed by Gerd Binnig in 1986. Unlike the scanning tunneling mic...

Laplace, Pierre Simon, marquis de

(Encyclopedia)Laplace, Pierre Simon, marquis de pyĕr sēmôNˈ märkēˈ də läpläsˈ [key], 1749–1827, French astronomer and mathematician. At 18 he went to Paris, proved his gift for mathematical analysis to...

Read, Sir Herbert

(Encyclopedia)Read, Sir Herbert, 1893–1968, English poet and critic. His studies at the Univ. of Leeds were interrupted by World War I, in which he served with a Yorkshire regiment. After the war he completed his...

Richter scale

(Encyclopedia)Richter scale rĭkˈtər [key], measure of the magnitude of seismic waves from an earthquake. Devised in 1935 by the American seismologist Charles F. Richter (1900–1985) and technically known as the...

constructivism

(Encyclopedia)constructivism, Russian art movement founded c.1913 by Vladimir Tatlin, related to the movement known as suprematism. After 1916 the brothers Naum Gabo and Antoine Pevsner gave new impetus to Tatlin's...

Fama, Eugene Francis

(Encyclopedia)Fama, Eugene Francis, 1939–, 1939–, U.S. economist, b. Boston, Mass., grad. Univ. of Chicago (M.B.A. 1963, Ph.D. 1964). He has taught at the Univ. of Chicago's Graduate School of Business since 19...

transit instrument

(Encyclopedia)transit instrument or transit, telescope devised to observe stars as they cross the meridian and used for determining time. Its viewing tube swings on a rigid horizontal axis restricting its movements...

Twombly, Cy

(Encyclopedia)Twombly, Cy (Edwin Parker Twombly, Jr.), 1928–2011, American painter, b. Lexington, Va., studied Boston Museum School, Washington and Lee Univ., Lexington, Va., Art Students' League, New York City. ...

hostage

(Encyclopedia)hostage, person held by another as a guarantee that certain actions or promises will or will not be carried out. During periods of internal turmoil, insurgents often seize hostages; recent examples in...