Look up fission in Wiktionary, the free dictionary. Fission, a splitting of something into two or more parts, may refer to: Fission (biology), the division...

Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei. The fission process often produces gamma photons...

Fission, in biology, is the division of a single entity into two or more parts and the regeneration of those parts to separate entities resembling the...

destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions (thermonuclear bomb), producing...

A nuclear reactor is a device used to initiate and control a fission nuclear chain reaction. Nuclear reactors are used at nuclear power plants for electricity...

weapon to detonate. There are three existing basic design types: pure fission weapons are the simplest, least technically demanding, were the first nuclear...

Spontaneous fission (SF) is a form of radioactive decay in which a heavy atomic nucleus splits into two or more lighter nuclei. In contrast to induced fission, there...

Mitochondrial fission is the process where mitochondria divide or segregate into two separate mitochondrial organelles. Mitochondrial fission is counteracted...

Nuclear fission products are the atomic fragments left after a large atomic nucleus undergoes nuclear fission. Typically, a large nucleus like that of...

A natural nuclear fission reactor is a uranium deposit where self-sustaining nuclear chain reactions occur. The idea of a nuclear reactor existing in...

Modern fusion weapons essentially consist of two main components: a nuclear fission First Stage (fueled by 235 U or 239 Pu ) and a separate nuclear fusion...

nuclear fission, nuclear decay and nuclear fusion reactions. Presently, the vast majority of electricity from nuclear power is produced by nuclear fission of...

Most neutron absorptions induce fission, though a minority (about 15%) result in the formation of uranium-236. The fission of one atom of uranium-235 releases...

boosted fission weapon usually refers to a type of nuclear bomb that uses a small amount of fusion fuel to increase the rate, and thus yield, of a fission reaction...

nuclear fission in 1938, it was quickly realized that, if a fission event produced neutrons, each of these neutrons might cause further fission events...

fertile material in turn transmutes into fissile material which can undergo fission reactions. Breeders were at first found attractive because they made more...

A star is a luminous spheroid of plasma held together by self-gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked...

spontaneous fission or even induced fission with fast neutrons; uranium-235, and to a lesser degree uranium-233, have a much higher fission cross-section...

or simply a fast reactor is a category of nuclear reactor in which the fission chain reaction is sustained by fast neutrons (carrying energies above 1...

In ethology, fission–fusion society is one in which the size and composition of the social group change as time passes and animals move throughout the...

space is the use of nuclear power in outer space, typically either small fission systems or radioactive decay for electricity or heat. Another use is for...

and archaea) usually undergo a vegetative cell division known as binary fission, where their genetic material is segregated equally into two daughter cells...

The Joint Evaluated Fission and Fusion (JEFF) organization is an international collaboration for the production of nuclear data. It consists of members...

Schizosaccharomyces pombe, also called "fission yeast", is a species of yeast used in traditional brewing and as a model organism in molecular and cell...

on the design of the reactor and fuel cycle, the generated 233 U either fissions in situ or is chemically separated from the used nuclear fuel and formed...

uranium-235, led to its use in nuclear weapons and nuclear power plants. The fissioning of an atom of uranium-235 in the reactor of a nuclear power plant produces...

Nuclear fission was discovered in December 1938 by chemists Otto Hahn and Fritz Strassmann and physicists Lise Meitner and Otto Robert Frisch. Fission is a...

neutrons by short half-life fission products is known as reactor poisoning; neutron capture by long-lived or stable fission products is called reactor...

the burst of neutrons would cause nearby warheads to undergo partial fission, preventing them from exploding properly. For this to work, the ABM would...

nuclear fusion–fission (hybrid nuclear power) is a proposed means of generating power by use of a combination of nuclear fusion and fission processes. The...