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...]]. Currently, nuclear power plants use the [[heat]] energy derived from [[nuclear fission]] reactions to generate [[steam]], which in turn is used to generate power. ...wed closely by other countries. The first "assembly" where a controlled [[nuclear fission chain reaction]] was conducted was the [[Chicago Pile-1]] assembled and tes

{{r|Nuclear fission}}

{{r|nuclear fission}}

...is used to generate electrical power). Nuclear reactions are controlled [[nuclear fission]] [[Chain reaction/Definition|chain reaction]]s with a [[neutron]] flux. R ==Fundamentals of nuclear fission reactors==

...in a [[nuclear reactor]], often in the form of control rods which increase nuclear fission when withdrawn and decrease fission when inserted. Neutrons produced from [[nuclear fission]] have an average energy of 2 MeV, but immediately begin to slow as they in

{{r|Nuclear fission}}

{{r|Nuclear fission}}

...the story of energy from the discovery of fire to the current debate over nuclear fission.

...active'. Nuclei can radiate spontaneously or can be induced to do so by [[nuclear fission]] (splitting of the nucleus) or [[nuclear fusion]] (merging of nuclei). En

...both immediate and delayed (i.e., fallout) ionizing radiation by means of nuclear fission or nuclear fusion.<ref name=Glasstone>{{citation ...es dispersed by conventional explosives or other means that do not involve nuclear fission or fusion at the point of delivery. They are not known to have been used t

#Nuclear fission in nuclear energy facilities, and released through accidents such as [[Thre

...new elements to be isolated. For more details of the original discovery of nuclear fission see the work of [[Otto Hahn]].<ref>Meitner L, Frisch OR (1939) Disintegrati

...device''' is any assembly of components that can produce an explosion from nuclear fission of weapons-purity nuclear fuel. A '''fission bomb''' can be dropped from an From a nontechnical standpoint, '''nuclear fission''' is the mechanism that causes the intense energy release of a fission wea

...study artificial [[radioactivity]], opening the way to the discovery of [[nuclear fission]]. In the 1930s he established a famous school of nuclear physics in [[Rome

...ning it has been used during a reactor operation, highly [[radioactive]] [[nuclear fission products]] have formed in the core, and the core has become highly radioact

...in fast reactors. After they split, the [[actinide]]s become a pair of "[[nuclear fission product|fission products]]". These elements have less total radiotoxicity. Since disposal of the fission products is dominated by the most radiotoxic [[nuclear fission product|fission products]], [[strontium-90]], which has a half life of 28.8

...ffe B. (1976) ''Crucibles, The Story of Chemistry: From Ancient Alchemy to Nuclear Fission.'' 4th Edition. Dover Publications, Inc: New York. ISBN 0-4S6-2J342•j. [

...s "Hahn-Strasseman" point, honoring the first scientists that demonstrated nuclear fission. He postulated that many fields will get stuck until either a totally unexp

...tein]] (drafted by fellow physicist [[Leó Szilárd]]) urging the study of [[nuclear fission]] for military purposes, under fears that [[Nazi Germany]] would be first t ...d been developed by the end of 1949 were based on the energy released by [[nuclear fission]] reactions or, more simply, the splitting of atoms. Some research had alre

...new elements to be isolated. For more details of the original discovery of nuclear fission see the work of [[Otto Hahn]].