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fission

   Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.04 sec.
fission, in physics: see nuclear energy nuclear energy, the energy stored in the nucleus of an atom and released through fission, fusion, or radioactivity . In these processes a small amount of mass is converted to energy according to the relationship E = mc2, where E
..... Click the link for more information.  and nucleus nucleus, in physics, the extremely dense central core of an atom .

The Nature of the Nucleus

Composition



Atomic nuclei are composed of two types of particles, protons and neutrons, which are collectively known as nucleons.
..... Click the link for more information. ; see also atomic bomb atomic bomb or A-bomb, weapon deriving its explosive force from the release of atomic energy through the fission (splitting) of heavy nuclei (see nuclear energy ). The first atomic bomb was produced at the Los Alamos, N.Mex.
..... Click the link for more information. .


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The first is that the weapon was some novel small experimental nuclear fission device or other experimental weapon (e.
The mystery of Israel's secret uranium bomb by Fisk, Robert / Washington Report on Middle East Affairs
There, technicians trained in handling nuclear materials would add the tritium or deuterium composites that turn a plain old fission bomb into a massive thermonuclear fusion bomb.
America's bomb-making process, brought to you by Rube Goldberg by Jaffe, Sam / Washington Monthly
Biologists call it "binary fission," and judging from Phillip Zaiser's new exhibition, it's what he's experiencing.
Phillip Zaiser: Galerie Michael Neff by Jones, Ronald / Artforum International
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