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Bjørgen, Marit

(Encyclopedia)Bjørgen, Marit, 1980–, Norwegian cross-country skier, b. Trondheim. The most decorated winter Olympian of all time, with 15 medals, she initially excelled as a sprinter, but later became accomplish...

Plushenko, Evgeni Viktorovich

(Encyclopedia)Plushenko, Evgeni Viktorovich, 1982–, Russian figure skater. Plushenko debuted at the Russian Nationals in 1996, won the World Junior Championship a year later, and won the bronze medal at the World...

photographic processing

(Encyclopedia)photographic processing, set of procedures by which the latent, or invisible, image produced when a photographic film is exposed to light is made into a permanent visible image. The negative may b...

Comstock Lode

(Encyclopedia)Comstock Lode, richest known U.S. silver deposit, W Nevada, on Mt. Davidson in the Virginia Range. It is said to have been discovered in 1857 by Ethan Allen Grosh and Hosea Ballou Grosh, sons of a Pen...

Ohno, Apolo Anton

(Encyclopedia)Ohno, Apolo Anton, 1982–, American speedskater, b. Seattle, Wash. Ohno began his speedskating career in 1995 and by 1997 was America's best short-track skater. In 1999 he became the youngest U.S. sk...

Port Pirie

(Encyclopedia)Port Pirie pĭrˈē [key], city and municipality (2016 pop. 17,364), South Australia, S Australia, on an inlet of Spencer Gulf. It is a railroad center and has uranium refineries and smelting works fo...

Bjørndalen, Ole Einar

(Encyclopedia)Bjørndalen, Ole Einar, 1974–, Norwegian biathlete, generally regarded as the greatest champion in the history of the biathlon, a combination of cross-country skiing and target-shooting. He competed...

Leadville

(Encyclopedia)Leadville lĕdˈvĭl [key], mining city (1990 pop. 2,629), alt. c.10,200 ft (3,110 m), seat of Lake co., central Colo., near the headwaters of the Arkansas River, in the Rocky Mts.; inc. 1878. Some mi...

silverpoint

(Encyclopedia)silverpoint, method of drawing whereby a silver-tipped instrument is dragged across paper prepared with ground bone dust and gum water and then tinted with a pigment. The procedure results in drawings...

cyanide process

(Encyclopedia)cyanide process or cyanidation, method for extracting gold from its ore. The ore is first finely ground and may be concentrated by flotation; if it contains certain impurities, it may be roasted. It i...