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chaos theory

(Encyclopedia)chaos theory, in mathematics, physics, and other fields, a set of ideas that attempts to reveal structure in aperiodic, unpredictable dynamic systems such as cloud formation or the fluctuation of biol...

Adams, Abigail

(Encyclopedia)Adams, Abigail, 1744–1818, wife of President John Adams and mother of President John Quincy Adams, b. Weymouth, Mass., as Abigail Smith. A lively, intelligent woman, she married John Adams in 1764 a...

Blue Ridge

(Encyclopedia)Blue Ridge, eastern range of the Appalachian Mts., extending south from S Pa. to N Ga.; highest mountains in the E United States. Mt. Mitchell, 6,684 ft (2,037 m) high, is the tallest peak. Beginning ...

Clemens, Roger

(Encyclopedia)Clemens, Roger (William Roger Clemens) klĕmˈənz [key], 1962–, American baseball player, b. Dayton, Ohio. Noted for his competitive fire and nicknamed “Roger the Rocket,” Clemens became one of...

harmony

(Encyclopedia)harmony, in music, simultaneous sounding of two or more tones and, especially, the study of chords and their relations. Harmony was the last in the development of what may be considered the basic elem...

Gilgamesh

(Encyclopedia)Gilgamesh gĭlˈgəmĕsh [key], in Babylonian legend, king of Uruk. He is the hero of the Gilgamesh epic, written on 12 tablets c.2000 b.c. and discovered among the ruins at Nineveh. The epic was lost...

Hoover, J. Edgar

(Encyclopedia)Hoover, J. Edgar (John Edgar Hoover), 1895–1972, American administrator, director of the Federal Bureau of Investigation (FBI), b. Washington, D.C. Shortly after he was admitted to the bar, he enter...

King, Carole

(Encyclopedia) King, Carole, 1942-, American singer-songwriter, b. New York, N.Y., as Carole Joan Klein. King enjoyed two separate careers; in the early ‘60s, she ...

Fillmore, Millard

(Encyclopedia)Fillmore, Millard, 1800–1874, 13th President of the United States (July, 1850–Mar., 1853), b. Locke (now Summer Hill), N.Y. Because he was compelled to work at odd jobs at an early age to earn a l...