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the North | Definition, States, & History | Britannica
the North, region, northern United States, historically identified as the free states that opposed slavery and the Confederacy during the American Civil War. This struggle against slavery and secession obscured the reality that the North was actually four separate and not so similar areas: New England, the Middle Atlan
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open set | mathematics | Britannica
Other articles where open set is discussed: topology: Topological space: …sets in T are called open sets and T is called a topology on X. For example, the real number line becomes a topological space when its topology is specified as the collection of all possible unions of open intervals—such as (−5, 2), (1/2, π), (0,
open set | mathematics | Britannica
Other articles where open set is discussed: topology: Topological space: …sets in T are called open sets and T is called a topology on X. For example, the real number line becomes a topological space when its topology is specified as the collection of all possible unions of open intervals—such as (−5, 2), (1/2, π), (0,
fiber optics | Definition, Inventors, & Facts | Britannica
fiber optics, also spelled fibre optics, the science of transmitting data, voice, and images by the passage of light through thin, transparent fibers. In telecommunications, fiber optic technology has virtually replaced copper wire in long-distance telephone lines, and it is used to link computers within local area net
fiber optics | Definition, Inventors, & Facts | Britannica
fiber optics, also spelled fibre optics, the science of transmitting data, voice, and images by the passage of light through thin, transparent fibers. In telecommunications, fiber optic technology has virtually replaced copper wire in long-distance telephone lines, and it is used to link computers within local area net
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Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
Encyclopedia Britannica | Britannica
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
Encyclopedia Britannica | Britannica
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
rat | rodent genus | Britannica
rat, (genus Rattus), the term generally and indiscriminately applied to numerous members of several rodent families having bodies longer than about 12 cm, or 5 inches. (Smaller thin-tailed rodents are just as often indiscriminately referred to as mice.) In scientific usage, rat applies to any of 56
Joseph Stalin | Biography, World War II, Death, & Facts | Britannica
Joseph Stalin, secretary-general of the Communist Party of the Soviet Union (1922–53) and premier of the Soviet state (1941–53), who for a quarter of a century dictatorially ruled the Soviet Union and transformed it into a major world power. Learn more about Stalin in this article.
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Alaska - Economy | Britannica
Alaska, constituent state of the United States of America. It was admitted to the union as the 49th state on January 3, 1959. Alaska lies at the extreme northwest of the North American continent, and the Alaska Peninsula is the largest peninsula in the Western Hemisphere. Because the 180th meridian passes through the s
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Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
Encyclopedia Britannica | Britannica
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
United Kingdom | History, Population, Map, Flag, Capital, & Facts | Br
United Kingdom, island country located off the northwestern coast of mainland Europe. It comprises the whole of the island of Great Britain—which contains England, Wales, and Scotland—as well as the northern portion of the island of Ireland. Its capital is London.
United Kingdom | History, Population, Map, Flag, Capital, & Facts | Br
United Kingdom, island country located off the northwestern coast of mainland Europe. It comprises the whole of the island of Great Britain—which contains England, Wales, and Scotland—as well as the northern portion of the island of Ireland. Its capital is London.
United Kingdom | History, Population, Map, Flag, Capital, & Facts | Br
United Kingdom, island country located off the northwestern coast of mainland Europe. It comprises the whole of the island of Great Britain—which contains England, Wales, and Scotland—as well as the northern portion of the island of Ireland. Its capital is London.
United Kingdom | History, Population, Map, Flag, Capital, & Facts | Br
United Kingdom, island country located off the northwestern coast of mainland Europe. It comprises the whole of the island of Great Britain—which contains England, Wales, and Scotland—as well as the northern portion of the island of Ireland. Its capital is London.
hotel summary | Britannica
hotel, Building that provides lodging, meals, and other services to the traveling public on a commercial basis.
Alaska - Economy | Britannica
Alaska, constituent state of the United States of America. It was admitted to the union as the 49th state on January 3, 1959. Alaska lies at the extreme northwest of the North American continent, and the Alaska Peninsula is the largest peninsula in the Western Hemisphere. Because the 180th meridian passes through the s