splitting of the atom
41Many-worlds interpretation — The quantum mechanical Schrödinger s cat paradox according to the many worlds interpretation. In this interpretation every event is a branch point; the cat is both alive and dead, even before the box is opened, but the alive and dead cats are in… …
42Jaynes-Cummings model — The Jaynes Cummings model (JCM) is a theoretical model in quantum optics. It describes the system of a two level atom interacting with a quantized mode of an optical cavity, with or without the presence of light. The JCM is of great interest in… …
43Fine-structure constant — The fine structure constant or Sommerfeld fine structure constant, usually denoted alpha ,, is the fundamental physical constant characterizing the strength of the electromagnetic interaction.It is a dimensionless quantity, and thus its numerical …
44History of nuclear weapons — The history of nuclear weapons chronicles the development of nuclear weapons. Nuclear weapons are devices that possess enormous destructive potential derived from nuclear fission or nuclear fusion reactions. Starting with the scientific… …
45McCumber relation — The McCumber relation (or McCumber theory) refers to the effective cross sections of absorption and emission of light in the physics of solid state lasers [1][2]. Contents 1 Definition 2 Gain …
46University of Manchester — The University of Manchester Arms of the University of Manchester. The Manchester bee is the main symbol of Manchester. Motto Latin: Cognitio, sapientia, humanitas Motto in English Knowledge, Wisdom, Humanity …
47Discworld (world) — The Discworld as it appears in the SkyOne adaptation of The Colour of Magic. The Discworld is the fictional setting for all of Terry Pratchett s Discworld fantasy novels. It consists of a large disc (complete with edge of the world drop off and… …
48New Museums Site — The New Museums Site Old Cavendish …
49Fission — The process whereby an atomic nucleus of appropriate type, after capturing a neutron, splits into (generally) two nuclei of lighter elements, with the release of substantial amounts of energy and two or more neutrons. U.S. Dept. of Energy,… …
50chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
