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Aceldama

(Encyclopedia)Aceldama əkĕlˈdəmə [key] [Aram.,=field of blood], according to the Gospel of St. Matthew, the chief priests bought the potter's field with Judas' 30 pieces of silver as a place to bury foreigners...

magnetic resonance

(Encyclopedia)magnetic resonance, in physics and chemistry, phenomenon produced by simultaneously applying a steady magnetic field and electromagnetic radiation (usually radio waves) to a sample of atoms and then a...

Burlington Northern Santa Fe Railway

(Encyclopedia)Burlington Northern Santa Fe Railway, railroad system in much of the United States (except the Northeast) and in S Canada, created in 1995 from the merger of Burlington Northern Inc. and the Santa Fe ...

Robertson, Sir William Robert

(Encyclopedia)Robertson, Sir William Robert, 1860–1933, British field marshal. He enlisted in the army in 1877 and became an officer in 1888. He was in the intelligence department in India (1892–96) and served ...

Patterson, Floyd

(Encyclopedia)Patterson, Floyd, 1935–2006, American boxer, b. Waco, N.C. He was brought up in Brooklyn, N.Y., and was sent to the Wiltwyck School at Esopus, N.Y., an institution for emotionally disturbed boys, wh...

McGwire, Mark David

(Encyclopedia)McGwire, Mark David məgwīrˈ [key], 1963–, American baseball player, b. Pomona, Calif. A muscular first baseman who was a college and Olympic (1984) star, McGwire broke into the American League as...

paleomagnetism

(Encyclopedia)paleomagnetism, study of the intensity and orientation of the earth's magnetic field as preserved in the magnetic orientation of certain minerals found in rocks formed throughout geologic time. Paleom...

Tsien, Roger Yonchien

(Encyclopedia)Tsien, Roger Yonchien, 1952–2016, American biochemist, b. New York City, Ph.D. Cambridge, 1977. Tsien was a researcher at Cambridge (1977–81) and a professor at the Univ. of California, Berkeley (...

Hall effect

(Encyclopedia)Hall effect, experiment that shows the sign of the charge carriers in a conductor. In 1879 E. H. Hall discovered that when he placed a metal strip carrying a current in a magnetic field, a voltage dif...