Columbia Encyclopedia
Search results
500 results found
Oersted, Hans Christian
(Encyclopedia)Oersted or Ørsted, Hans Christian häns krĭsˈtyän örˈstĭᵺ [key], 1777–1851, Danish physicist and chemist. He was professor at Copenhagen from 1806. His discovery (1819) that a magnetic need...Beccaria, Giambattista
(Encyclopedia)Beccaria, Giambattista jämˌbät-tēˈstä bāk-kärēˈä [key], 1716–81, Italian physicist. He joined the Piarist order in 1732 and studied in Rome and Narni. After teaching at various Italian un...Carson Sink
(Encyclopedia)Carson Sink, swampy area, c.100 sq mi (260 sq km), W Nev.; a remnant of ancient Lake Lahontan. Fallon National Wildlife Refuge is located there. The Carson River (c.125 mi/200 km long), fed by melted ...dimension, in physics
(Encyclopedia)dimension, in physics, an expression of the character of a derived quantity in relation to fundamental quantities, without regard for its numerical value. In any system of measurement, such as the met...Zardari, Asif Ali
(Encyclopedia)Zardari, Asif Ali äˈsĭf äˈlē zärdäˈrē [key], 1955–, Pakistani politician, president of Pakistan (2008–13), b. Nawabshah. From a wealthy, prominent family, he studied at St. Patrick's Col...generator
(Encyclopedia) CE5 Generator: The rotation of the conducting coil of wire in a magnetic field causes a current to be induced in the coil. This current is alternating and is conducted from the coil by means of sli...looper
(Encyclopedia)looper, name for caterpillars that move with a looping motion, including the inchworm and the cabbage looper. ...Chu, Steven
(Encyclopedia)Chu, Steven, 1948–, U.S. physicist and government official, b. St. Louis, Mo., grad. Univ. of Rochester (B.S., A.B. 1970), Univ. of California, Berkeley (Ph.D. 1976). He worked from 1978 at Bell Lab...rheology
(Encyclopedia)rheology rēŏlˈəjē [key], branch of physics dealing with the deformation and flow of matter. It is particularly concerned with the properties of matter that determine its behavior when a mechanica...Doppler effect
(Encyclopedia)Doppler effect, change in the wavelength (or frequency) of energy in the form of waves, e.g., sound or light, as a result of motion of either the source or the receiver of the waves; the effect is nam...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 +-
