a nuclear atom
71Nuclear reaction — In nuclear physics and nuclear chemistry, a nuclear reaction is semantically considered to be the process in which two nuclei, or else a nucleus of an atom and a subatomic particle (such as a proton, or high energy electron) from outside the atom …
72Nuclear power in the United States — For a comprehensive list of U.S. plants, see List of nuclear reactors. NRC regions and locations of nuclear reactors, 2008 Main article: Nuclear power As of 2008, nuclear power in the United States is provided by 104 commercial reactors (69 …
73Nuclear program of Iran — See also: Iran and weapons of mass destruction Nuclear program of Iran …
74Atom-Bombe — Atompilz von „Fat Man“ über Nagasaki. Kernwaffen – auch Nuklearwaffen oder Atomwaffen genannt – sind Waffen, deren Wirkung auf kernphysikalischen Prozessen beruht, insbesondere der Kernspaltung und Kernfusion. Konventionelle Waffen beziehen… …
75nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
76Atom (disambiguation) — An atom is the smallest particle of a chemical element that retains its chemical properties.Atom may also refer to: * Atom (measure theory), a minimal measurable set * Atom (order theory) * Atomic formula, a single predicate in first order logic… …
77Nuclear isomer — A nuclear isomer is a metastable state of an atomic nucleus caused by the excitation of one or more of its nucleons (protons or neutrons). Metastable refers to the fact that these excited states have half lives more than 100 to 1000 times the… …
78nuclear 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 …
79nuclear — nu|cle|ar W3 [ˈnju:kliə US ˈnu:kliər] adj [usually before noun] [Date: 1800 1900; Origin: nucleus] 1.) relating to or involving the ↑nucleus (=central part) of an atom, or the energy produced when the nucleus of an atom is either split or joined… …
80Nuclear weapon — A bomb redirects here. For other uses, see A bomb (disambiguation). The mushroom cloud of the atomic bombing of Nagasaki, Japan on August 9, 1945 …
