Search

Search results

Displaying 161 - 170

Kelvin temperature scale

(Encyclopedia) Kelvin temperature scale, a temperature scale having an absolute zero below which temperatures do not exist. Absolute zero, or 0K, is the temperature at which molecular energy is a…

Akasaki, Isamu

(Encyclopedia) Akasaki, Isamu, 1929–2021, Japanese physicist, b. Chiran, Japan, Kyoto Univ. (BA, 1942), Nagoya Univ. (Ph.D., 1964). Aftger graduating from college, Akasaki worked as an…

conservation laws

(Encyclopedia) conservation laws, in physics, basic laws that together determine which processes can or cannot occur in nature; each law maintains that the total value of the quantity governed by…

oil industry

(Encyclopedia) oil industry, the business of discovering oil (petroleum), extracting it from the ground, refining it into a variety of products, and distributing it to the public. The development of…

cosmology

(Encyclopedia) cosmology, area of science that aims at a comprehensive theory of the structure and evolution of the entire physical universe. The earliest pre-Ptolemaic theories assumed that the…

Strangford Lough

(Encyclopedia) Strangford LoughStrangford Loughstrăngˈfərd lŏkh [key], inlet of the Irish Sea, 17 mi (27 km) long and 4 mi (6.4 km) wide, between Ards and Down dists., E Northern Ireland, entered…

Savannah, river, United States

(Encyclopedia) Savannah, river, 314 mi (505 km) long, formed by the confluence of the Tugaloo and Seneca rivers and flowing SE to the Atlantic Ocean; with the Tugaloo it forms the entire S.C.–Ga.…

Hughes, Sir Samuel

(Encyclopedia) Hughes, Sir Samuel, 1853–1921, Canadian political leader, b. Ontario. A schoolteacher and newspaper editor, he entered the House of Commons in 1892 and held a seat until his death. As…

Atchafalaya

(Encyclopedia) AtchafalayaAtchafalayaəchăˈfəlīˌə [key], navigable river, c.170 mi (270 km) long, S central La. The Atchafalaya meanders south, in a former channel of the Mississippi, to the Gulf of…

West Virginia University

(Encyclopedia) West Virginia University, mainly at Morgantown; coeducational; land-grant and state supported; est. and opened 1867 as an agricultural college, renamed 1868. It operates 15 schools and…