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Air Force, United States Department of the

(Encyclopedia)Air Force, United States Department of the, military department within the U.S. Dept. of Defense (see Defense, United States Department of). The Air Force traces its roots to the founding of the Aeron...

Enewetak

(Encyclopedia)Enewetak, Enewetok, or Eniwetok ĕnĭwēˈtŏk, ĕnēˈwĕtôk [key], circular atoll, central Pacific, one of the Ralik Chain in the Marshall Islands. Enewetak is c.50 mi (80 km) in circumference and...

Rabi, Isidor Isaac

(Encyclopedia)Rabi, Isidor Isaac rŏbˈē [key], 1898–1988, American physicist, b. Austria, grad. Cornell, 1919, Ph.D. Columbia, 1927. A teacher at Columbia from 1929, he became professor of physics in 1937. He i...

Baruch, Bernard Mannes

(Encyclopedia)Baruch, Bernard Mannes bəro͞okˈ [key], 1870–1965, U.S. financier and government adviser, b. Camden, S.C. He grew rich through stockmarket speculation before he was 30. In World War I he advised o...

Bloch, Felix

(Encyclopedia)Bloch, Felix, 1905–83, American physicist, b. Zürich, Switzerland, Ph.D. Univ. of Leipzig, Germany, 1928. He was a professor at Stanford from 1934 until his retirement in 1971. Bloch and Edward Pur...

Euratom

(Encyclopedia)Euratom: see European Atomic Energy Community. ...

element

(Encyclopedia)CE5 element, in chemistry, a substance that cannot be decomposed into simpler substances by chemical means. A substance such as a compound can be decomposed into its constituent elements by means o...

Purcell, Edward Mills

(Encyclopedia)Purcell, Edward Mills, 1912–97, American physicist, b. Taylorville, Ill., Ph.D. Harvard, 1938. During World War II, Purcell was a researcher at the Massachusetts Institute of Technology Radiation La...

Dhahran

(Encyclopedia)Dhahran däränˈ, däˌhəränˈ [key], city, NE Saudi Arabia, near the Persian Gulf...

Beck, Ludwig

(Encyclopedia)Beck, Ludwig lo͞otˈvĭkh bĕk [key], 1880–1944, German general, leader of resistance to Hitler. A highly cultivated career soldier, he served on the general staff during World War I and by 1933 ha...