fission material

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• Fission product — Fission products are the atomic fragments left after a large nucleus fissions. Typically, a large nucleus like Uranium fissions by splitting into two smaller nuclei, along with a few neutrons and a large release of energy in the form of heat… …   Wikipedia

• fission-track dating — Method of determining the age of a mineral that utilizes the damage done by the spontaneous fission of uranium 238, the most abundant isotope of uranium. The fission results in radiation damage, or fission tracks, that can be made visible by… …   Universalium

• Fission (biology) — Binary fission in a prokaryote (e.g., a bacterium) In biology, fission is the subdivision of a cell (or body, population, or species) into two or more parts and the regeneration of those parts into separate cells (bodies, populations, or species) …   Wikipedia

• Fission (band) — Infobox musical artist Name = Fission Img capt = Img size = Landscape = Background = group or band Alias = Origin = Sweden Genre = Melodic Thrash metal Melodic death metal Years active = 2002 present Label = Napalm Records Associated acts = URL …   Wikipedia

• Fission sail — The fission sail is a type of spacecraft propulsion proposed by Robert Forward that uses fission fragments to propel a large solar sail like craft. It is similar in concept to the fission fragment rocket in that the fission by products are… …   Wikipedia

• material — That of which something is made or composed; the constituent element of a substance. [L. materialis, fr. materia, substance] base m. any substance from which a denture base may be made, such as shellac, acrylic resin, vulcanite, polystyrene,… …   Medical dictionary

• nuclear fission — fission (def. 2). [1885 90] * * * Division of a heavy atomic nucleus into two fragments of roughly equal mass, accompanied by the release of a large amount of energy, the binding energy of the subatomic particles. The energy released in the… …   Universalium

• active material — Material, such as plutonium and certain isotopes of uranium, which is capable of supporting a fission chain reaction …   Military dictionary

• Fissile material —   Material that can be caused to undergo atomic fission when bombarded by neutrons. The most important fissionable materials are uranium 235, plutonium 239, and uranium 233.   U.S. Dept. of Energy, Energy Information Administration s Energy… …   Energy terms

• Nuclear fission — For the generation of electrical power by fission, see Nuclear power. Splitting the atom redirects here. For the EP, see Splitting the Atom. Nuclear physics Radioactive decay Nuclear fission Nuclear fusio …   Wikipedia

• Gun-type fission weapon — Gun type fission weapons are fission based nuclear weapons whose design assembles their fissile material into a supercritical mass by the use of the gun method: shooting one piece of sub critical material into another. Although this is sometimes… …   Wikipedia