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radiation

(Encyclopedia)radiation rāˌdēāˈshən [key], term applied to the emission and transmission of energy through space or through a material medium and also to the radiated energy itself. In its widest sense the te...

albumin

(Encyclopedia)albumin ălbyo͞oˈmən [key] [Lat.,=white of egg], member of a class of water-soluble, heat-coagulating proteins. Albumins are widely distributed in plant and animal tissues, e.g., ovalbumin of egg, ...

Curl, Robert Floyd, Jr.

(Encyclopedia)Curl, Robert Floyd, Jr., 1933–, American chemist, b. Alice, Tex., Ph.D. Univ. of California, Berkeley, 1957. Curl has been a professor at Rice Univ. in Houston, Tex., since 1958. In 1996 he was awar...

ether, in physics and astronomy

(Encyclopedia)ether or aether, in physics and astronomy, a hypothetical medium for transmitting light and heat (radiation), filling all unoccupied space; it is also called luminiferous ether. In Newtonian physics a...

pyroclastic flow

(Encyclopedia)pyroclastic flow, turbulent, fluidized mixture of rock, volcanic ash, and hot gas that moves like an avalanche away from a volcanic eruption. A pyroclastic flow may contain a mix of rock fragments ran...

O'Neal, Shaquille

(Encyclopedia)O'Neal, Shaquille (Shaquille Rashaun O'Neal) shəkēlˈ rəshônˈ ōnēlˈ [key], 1972–, American basketball player, b. Newark, N.J. Joining the Orlando Magic of the National Basketball Association...

Francis, Dick

(Encyclopedia)Francis, Dick (Richard Stanley Francis), 1920–2010, English novelist. He was a champion steeplechase jockey (1946–57) and a racing writer for a London newspaper (1957–73). Francis parlayed his k...

Appert, Nicolas

(Encyclopedia)Appert, Nicolas fräNswäˈ [key], 1750–1841, French originator of a method of canning. In 1795 the French government offered a prize of 12,000 francs for a method of preserving food, especially for...

alloy

(Encyclopedia)alloy ălˈoi, əloiˈ [key] [O. Fr.,=combine], substance with metallic properties that consists of a metal fused with one or more metals or nonmetals. Alloys may be a homogeneous solid solution, a he...

Stoddart, James Fraser

(Encyclopedia)Stoddart, James Fraser, 1942–, British chemist, Ph.D. Univ. of Edinburgh, 1966. He began his career at Sheffield Univ., England, in 1970, then moved to Birmingham Univ., England, in 1990, the Univ. ...