Columbia Encyclopedia
Search results
233 results found
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...fuse, electric
(Encyclopedia)fuse, electric, safety device used to protect an electric circuit against an excessive current. A fuse consists essentially of a strip of low-melting alloy enclosed in a suitable housing. It is connec...military government
(Encyclopedia)military government, rule of enemy territory under military occupation. It is distinguished from martial law, which is the temporary rule by domestic armed forces over disturbed areas. The practices o...Sozomen
(Encyclopedia)Sozomen sōzōˈmĕn [key], 5th cent., Byzantine church historian, b. Gaza. A fuller form of his name is Salaminius Hermias Sozomenus. His Ecclesiastical History was written in 439–50. The nine exta...player piano
(Encyclopedia)player piano, an upright piano incorporating a mechanical system that automatically plays the encoded contents of a paper strip. This strip, perforated with holes whose position and length determine p...Schulz, Charles M.
(Encyclopedia)Schulz, Charles M. (Charles Monroe Schulz), 1922–2000, American cartoonist, b. Minneapolis, Minn. Creator of the syndicated comic strip Peanuts (1950–2000), one of the world's most popular example...Netanyahu, Benjamin
(Encyclopedia)Netanyahu, Benjamin or Binyamin bēnˈyəmēnˌ nĕtənyäˈho͞o [key], 1949–, Isr...Arkansas City
(Encyclopedia)Arkansas City ärkănˈzəs [key], city, Cowley co., S Kans., at the confluence of the Arkansas and Walnut rivers, near the Okla. border; inc. 1872. Located in an agricult...Möbius, Augustus Ferdinand
(Encyclopedia)Möbius, Augustus Ferdinand mōˈbēəs, Ger. möˈbēəs [key],(1790–1868), German mathematician and astronomer, b. Schulpforta, Saxony. A professor of astronomy at the Univ. of Leipzig, he made im...Cherokee Outlet
(Encyclopedia)Cherokee Outlet: see Cherokee Strip. ...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 +-
