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feedback

(Encyclopedia) CE5 Basic feedback control system feedback, arrangement for the automatic self-regulation of an electrical, mechanical, or biological system by returning part of its output as…

Brenner, Sydney

(Encyclopedia) Brenner, Sydney, 1927–2019, British molecular biologist, Ph.D. Oxford, 1954. He was director of the MRC Laboratory of Molecular Biology in Cambridge, England (1979–86), and director of…

Swiss Federal Institute of Technology

(Encyclopedia) Swiss Federal Institute of Technology, at Zürich, founded 1855 as the Federal Polytechnic Institute, given its current name 1911. It is a science and technology research university…

Hill, Joe

(Encyclopedia) Hill, Joe, 1879–1915, Swedish-American union organizer; b. Sweden, as Joel Hägglund, also called Joseph Hillström. He came to the United States in 1902 and worked as a miner and a…

Anville, Jean Baptiste Bourguignon d'

(Encyclopedia) Anville, Jean Baptiste Bourguignon d'Anville, Jean Baptiste Bourguignon d'zhäN bätēstˈ b&oomacr;rgēnyôNˈ däNvēlˈ [key], 1697–1782, French geographer and cartographer. His maps of…

Nippur

(Encyclopedia) NippurNippurnĭp&oobreve;rˈ [key], ancient city of Babylonia, a N Sumerian settlement on the Euphrates. It was the seat of the important cult of the god Enlil, or Bel. Excavations…

Panini

(Encyclopedia) PaniniPaninipäˈnēnē [key], fl. c.400 b.c., Indian grammarian. His Ashtādhyāyī [eight books] (tr. 1891) is one of the earliest works of descriptive linguistics and is also the first…

Mello, Craig Cameron

(Encyclopedia) Mello, Craig Cameron, 1960–, American geneticist, b. New Haven, Conn., Ph.D. Harvard, 1990. Mello has been on the faculty at the Univ. of Massachusetts since 1994. In 2006 Mello and…

colophon

(Encyclopedia) colophoncolophonkŏlˈəfŏnˌ [key] [Gr.,=finishing stroke]. Before the use of printing in Western Europe a manuscript often ended with a statement about the author, the scribe, or the…

Childeric I

(Encyclopedia) Childeric IChilderic Ichĭlˈdərĭk [key], c.436–481, Merovingian king of the Salian Franks (c.457–481), a Germanic tribe; son of Meroveus and father of Clovis I. Information on him is…