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Compton effect

(Encyclopedia)Compton effect [for A. H. Compton], increase in the wavelengths of X rays and gamma rays when they collide with and are scattered from loosely bound electrons in matter. This effect provides strong ve...

Barish, Barry Clark

(Encyclopedia)Barish, Barry Clark, 1936–, American experimental physicist, b. Omaha, Nebr. Ph.D. Univ. of California, Berkeley, 1962. Barish has been a professor (emeritus from 2005) at the California Institute o...

surfing

(Encyclopedia)surfing, sport of gliding on a breaking wave. Surfers originally used long, cumbersome wooden boards but now ride lightweight synthetic boards that allow a greater degree of maneuverability. Boards ar...

Durrell, Lawrence

(Encyclopedia)Durrell, Lawrence dŭˈrəl, dûrˈəl [key], 1912–90, British author, b. India, of Irish parents. Durrell traveled widely, often serving in diplomatic positions; most of his works are set in exotic...

aurora borealis

(Encyclopedia)aurora borealis ôstrāˈlĭs [key], luminous display of various forms and colors seen in the night sky. The aurora borealis of the Northern Hemisphere is often called the northern lights, and the aur...

Northeast Passage

(Encyclopedia)Northeast Passage, water route along the northern coast of Europe and Asia, between the Atlantic and Pacific oceans. Beginning in the 15th cent., efforts were made to find a new all-water route to Ind...

megachurch

(Encyclopedia)megachurch, large Protestant church with an average weekly attendance of 2,000 or more; relatively uncommon until after 1970. In the United States, where most megachurches are located, there were more...

Grossman, David

(Encyclopedia)Grossman, David, 1954–, Israeli writer and peace activist, b. Jerusalem. He is widely recognized as the finest novelist in the generation that followed Amos Oz and A. B. Yehoshua. The son of a Polis...

cable television

(Encyclopedia)cable television, the transmission of televised images to viewers by means of coaxial cables. Cable systems receive the television signal, which is sent out over cables to individual subscribers, by a...

lighthouse

(Encyclopedia)lighthouse, towerlike structure erected to give guidance and warning to ships and aircraft by either visible or radioelectrical means. Lighthouses were long built to conform in structure to their geog...