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Nakamura, Shuji

(Encyclopedia)Nakamura, Shuji, 1954–, Japanese physicist and electronics engineer, grad. Univ. of Tokushima (D.Eng., 1994). Nakamura joined the Nichia Corporation in 1977, and it was there that he began his life-...

drying oil

(Encyclopedia)drying oil, any of several natural oils which, when exposed to the air, oxidize to form a tough, elastic film. The common drying oils are cottonseed oil (see cotton), corn oil, soybean oil, tung oil, ...

tanzanite

(Encyclopedia)tanzanite tănzănˈīt [key], beautiful gemstone discovered in 1967 in the Umba Valley near the Usambara Mts. in Tanzania, a precious variety of the mineral zoisite, a calcium aluminum silicate. Zois...

Otter, Peaks of

(Encyclopedia)Otter, Peaks of, two peaks, W central Va., in the Blue Ridge, W of Lynchburg. The one, Flat Top, is 4,004 ft (1,220 m) high; the other, Sharp Top, 3,875 ft (1,181 m). They are on national parkland adm...

sapphire

(Encyclopedia)sapphire, precious stone. A transparent blue corundum, it is classified among the most valuable of gems. Sapphires are found chiefly in Madagascar, Sri Lanka, and Myanmar and also in Thailand, Tanzani...

blueprint

(Encyclopedia)blueprint, white-on-blue photographic print, commonly of a working drawing used during building or manufacturing. The plan is first drawn to scale on a special paper or tracing cloth through which lig...

sky

(Encyclopedia)sky, apparent dome over the earth, background of the clouds, sun, moon, and stars. The blue color of the clear daytime sky results from the selective scattering of light rays by the minute particles o...

Krasznahorkai, Lázló

(Encyclopedia)Krasznahorkai, Lázló, 1954–, Hungarian writer known for his strange, bleak, obsessive, and surreal novels, short stories, and film scripts. Usually marked by grim rural settings, and often featuri...

bluestone

(Encyclopedia)bluestone, common name for the blue, crystalline heptahydrate of cupric sulfate called chalcanthite, a minor ore of copper. It also refers to a fine-grained, light to dark colored blue-gray sandstone....

Melville, Herman

(Encyclopedia)Melville, Herman, 1819–91, American author, b. New York City, considered one of the great American writers and a major figure in world literature. Like Moby-Dick, Pierre; or, The Ambiguities (18...