atomic key
121nuclear fusion — fusion (def. 4). [1895 1900] * * * Process by which nuclear reactions between light elements form heavier ones, releasing huge amounts of energy. In 1939 Hans Bethe suggested that the energy output of the sun and other stars is a result of fusion …
122Heisenberg, Werner — ▪ German physicist and philosopher Introduction in full Werner Karl Heisenberg born Dec. 5, 1901, Würzburg, Ger. died Feb. 1, 1976, Munich, W.Ger. German physicist and philosopher who discovered (1925) a way to formulate quantum mechanics in… …
123Nuclear reactor — Core of CROCUS, a small nuclear reactor used for research at the EPFL in Switzerland This article is a subarticle of Nuclear power. A nuclear reactor is a device to initiate and control a sustained nuclear chain reaction. Most commonly they are… …
124Nanosurf — Type Publicly unlisted company Founded 1997 in Switzerland Founder(s) Dominik Braendlin, Lukas Howald and Robert Sum Headquarters …
125Nuclear industry in Canada — Bruce Nuclear Generating Station near Kincardine, Ontario Nuclear industry in Canada is an active business and research sector, producing about 15% of its electricity in nuclear power plants of domestic design. Canada is the world s largest… …
126Entity–attribute–value model — (EAV) is a data model to describe entities where the number of attributes (properties, parameters) that can be used to describe them is potentially vast, but the number that will actually apply to a given entity is relatively modest. In… …
127Introduction — It is hard to think of two more significant decades in U.S. history than the 1930s and 1940s. During these 20 years, the United States suffered the worst ever economic collapse during the Great Depression; underwent major political reform… …
128Clock — For other uses, see Clock (disambiguation). Timepiece redirects here. For the Kenny Rogers album, see Timepiece (album). Platform clock at King s Cross railway station, London …
