Columbia Encyclopedia
Search results
500 results found
amplifier
(Encyclopedia)amplifier, device that accepts a varying input signal and produces an output signal that varies in the same way as the input but has a larger amplitude. The input signal may be a current, a voltage, a...gadolinium
(Encyclopedia)gadolinium gădəlĭnˈēəm [key], metallic chemical element; symbol Gd; at. no. 64; at. wt. 157.25; m.p. 1,312℃; b.p. 3,233℃; sp. gr. 7.898 at 25℃; valence +3. Gadolinium is a malleable, ducti...Graham, Katharine Meyer
(Encyclopedia)Graham, Katharine Meyer, 1917–2001, American publisher, b. New York City, grad. Univ. of Chicago (1938). She first worked as a copy girl at the Washington Post, which was owned by her father, Eugene...capacitor
(Encyclopedia)capacitor or condenser, device for the storage of electric charge. Simple capacitors consist of two plates made of an electrically conducting material (e.g., a metal) and separated by a nonconducting ...Agee, James
(Encyclopedia)Agee, James āˈjē [key], 1909–55, American writer, b. Knoxville, Tenn., grad. Harvard, 1932. He soon joined the literary and journalistic life of New York City, becoming (1932) a writer for Fortun...Buckley, William Frank, Jr.
(Encyclopedia)Buckley, William Frank, Jr., 1925–2008, American editor, author, and lecturer, b. New York City, grad. Yale, 1946. A popular, eloquent, and witty spokesman for the conservative point of view, Buckle...Wilder, Laura Elizabeth Ingalls
(Encyclopedia)Wilder, Laura Elizabeth Ingalls, 1867–1957, American author of the classic Little House series of children's books, b. Pepin, Wis. She and her pioneer family traveled (1869–79) throughout the Midw...Ward, Douglas Turner
(Encyclopedia) Ward, Douglas Turner, 1930-2021, African-American actor, director, and playwright, b. Burnside, La., as Roosevelt Ward Jr. Ward’s family ...Warner Brothers
(Encyclopedia)Warner Brothers, American movie studio executives and producers. Sons of poor E European Jewish immigrants, the brothers were Harry Morris (1881–1958), Albert (1884–1967), Samuel Louis (1887–192...Zsigmond, Vilmos
(Encyclopedia)Zsigmond, Vilmos, 1930–2016, Hungarian-American cinematographer. As a film student in Budapest, he and fellow student (and later cinematographer) Laszlo Kovacs secretly filmed the street fighting as...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
