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• Nuclear_fusion abstract "In nuclear physics, nuclear fusion is a nuclear reaction in which two or more atomic nuclei come very close and then collide at a very high speed and join to form a new nucleus. During this process, matter is not conserved because some of the matter of the fusing nuclei is converted to photons (energy). Fusion is the process that powers active or "main sequence" stars.The fusion of two nuclei with lower masses than Iron-56 (which, along with Nickel-62, has the largest binding energy per nucleon) generally releases energy, while the fusion of nuclei heavier than iron absorbs energy. The opposite is true for the reverse process, nuclear fission. This means that fusion generally occurs for lighter elements only, and likewise, that fission normally occurs only for heavier elements. There are extreme astrophysical events that can lead to short periods of fusion with heavier nuclei. This is the process that gives rise to nucleosynthesis, the creation of the heavy elements during events such as supernova.Following the discovery of quantum tunneling by Friedrich Hund, in 1929 Robert Atkinson and Fritz Houtermans used the measured masses of light elements to predict that large amounts of energy could be released by fusing small nuclei. Building upon the nuclear transmutation experiments by Ernest Rutherford, carried out several years earlier, the laboratory fusion of hydrogen isotopes was first accomplished by Mark Oliphant in 1932. During the remainder of that decade the steps of the main cycle of nuclear fusion in stars were worked out by Hans Bethe. Research into fusion for military purposes began in the early 1940s as part of the Manhattan Project. Fusion was accomplished in 1951 with the Greenhouse Item nuclear test. Nuclear fusion on a large scale in an explosion was first carried out on November 1, 1952, in the Ivy Mike hydrogen bomb test.Research into developing controlled thermonuclear fusion for civil purposes also began in earnest in the 1950s, and it continues to this day. The present article is about the theory of fusion. For details of the quest for controlled fusion and its history, see the article Fusion power.".
• Nuclear_fusion thumbnail The_Sun_by_the_Atmospheric_Imaging_Assembly_of_NASAs_Solar_Dynamics_Observatory_-_20100819.jpgwidth=300.
• Nuclear_fusion wikiPageExternalLink videoplay?docid=1996321846673788606&q=engedu.
• Nuclear_fusion wikiPageExternalLink pr577_1.pdf.
• Nuclear_fusion wikiPageExternalLink file_38224.pdf.
• Nuclear_fusion wikiPageExternalLink what-is-fusion.htm.
• Nuclear_fusion wikiPageExternalLink 0-19-856264-0.pdf.
• Nuclear_fusion wikiPageExternalLink nph-bib_query?bibcode=1995PhDT........45R&db_key=PHY&data_type=HTML&format=.
• Nuclear_fusion wikiPageExternalLink Fusion.
• Nuclear_fusion wikiPageExternalLink fusionforenergy.europa.eu.
• Nuclear_fusion wikiPageExternalLink NRL_FORMULARY_07.pdf.
• Nuclear_fusion wikiPageExternalLink www.fusion.org.uk.
• Nuclear_fusion wikiPageExternalLink www.iter.org.
• Nuclear_fusion wikiPageExternalLink www.jet.efda.org.
• Nuclear_fusion wikiPageExternalLink index.html.
• Nuclear_fusion wikiPageExternalLink www.nuclearfiles.org.
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• Nuclear_fusion wikiPageRevisionID "683362208".
• Nuclear_fusion wikiPageWikiLink 1_E-14_J.
• Nuclear_fusion wikiPageWikiLink 1_E-15_J.
• Nuclear_fusion wikiPageWikiLink Alpha_particle.
• Nuclear_fusion wikiPageWikiLink Aneutronic_fusion.
• Nuclear_fusion wikiPageWikiLink Annihilation.
• Nuclear_fusion wikiPageWikiLink Antimatter.
• Nuclear_fusion wikiPageWikiLink Antimatter-catalyzed_nuclear_pulse_propulsion.
• Nuclear_fusion wikiPageWikiLink Antimatter_catalyzed_nuclear_pulse_propulsion.
• Nuclear_fusion wikiPageWikiLink Astrophysics.
• Nuclear_fusion wikiPageWikiLink Atomic_nuclei.
• Nuclear_fusion wikiPageWikiLink Atomic_nucleus.
• Nuclear_fusion wikiPageWikiLink Austrian_Institute_of_Ecology.
• Nuclear_fusion wikiPageWikiLink Binding_energy.
• Nuclear_fusion wikiPageWikiLink Bremsstrahlung.
• Nuclear_fusion wikiPageWikiLink CNO_cycle.
• Nuclear_fusion wikiPageWikiLink Castle_Bravo.
• Nuclear_fusion wikiPageWikiLink Category:Concepts_in_physics.
• Nuclear_fusion wikiPageWikiLink Category:Energy_conversion.
• Nuclear_fusion wikiPageWikiLink Category:Nuclear_chemistry.
• Nuclear_fusion wikiPageWikiLink Category:Nuclear_fusion.
• Nuclear_fusion wikiPageWikiLink Category:Nuclear_physics.
• Nuclear_fusion wikiPageWikiLink Chemical_reaction.
• Nuclear_fusion wikiPageWikiLink Confinement_time.
• Nuclear_fusion wikiPageWikiLink Coulomb_barrier.
• Nuclear_fusion wikiPageWikiLink Coulomb_force.
• Nuclear_fusion wikiPageWikiLink Coulombs_law.
• Nuclear_fusion wikiPageWikiLink Cross_section_(physics).
• Nuclear_fusion wikiPageWikiLink Dense_plasma_focus.
• Nuclear_fusion wikiPageWikiLink Deuterium.
• Nuclear_fusion wikiPageWikiLink Diproton.
• Nuclear_fusion wikiPageWikiLink Direct_energy_conversion.
• Nuclear_fusion wikiPageWikiLink Electric_charge.
• Nuclear_fusion wikiPageWikiLink Electric_field.
• Nuclear_fusion wikiPageWikiLink Electric_power_industry.
• Nuclear_fusion wikiPageWikiLink Electrical_charge.
• Nuclear_fusion wikiPageWikiLink Electrical_power_industry.
• Nuclear_fusion wikiPageWikiLink Electron.
• Nuclear_fusion wikiPageWikiLink Electron_volt.
• Nuclear_fusion wikiPageWikiLink Electronvolt.
• Nuclear_fusion wikiPageWikiLink Electrostatic_force.
• Nuclear_fusion wikiPageWikiLink Energy_density.
• Nuclear_fusion wikiPageWikiLink Erbium.
• Nuclear_fusion wikiPageWikiLink Ernest_Rutherford.
• Nuclear_fusion wikiPageWikiLink Exothermic.
• Nuclear_fusion wikiPageWikiLink Exothermic_process.
• Nuclear_fusion wikiPageWikiLink Exothermic_reaction.
• Nuclear_fusion wikiPageWikiLink Fermion.
• Nuclear_fusion wikiPageWikiLink File:IvyMike2.jpg.
• Nuclear_fusion wikiPageWikiLink Focus_fusion.
• Nuclear_fusion wikiPageWikiLink Free_neutron.
• Nuclear_fusion wikiPageWikiLink Friedrich_Hund.
• Nuclear_fusion wikiPageWikiLink Fritz_Houtermans.
• Nuclear_fusion wikiPageWikiLink FuseNet.
• Nuclear_fusion wikiPageWikiLink Fusenet.
• Nuclear_fusion wikiPageWikiLink Fusion_energy.
• Nuclear_fusion wikiPageWikiLink Fusion_energy_gain_factor.
• Nuclear_fusion wikiPageWikiLink Fusion_gain_factor.
• Nuclear_fusion wikiPageWikiLink Fusion_power.
• Nuclear_fusion wikiPageWikiLink Fusion_rocket.
• Nuclear_fusion wikiPageWikiLink Fusor.
• Nuclear_fusion wikiPageWikiLink Gram.
• Nuclear_fusion wikiPageWikiLink Greenhouse_Item.
• Nuclear_fusion wikiPageWikiLink H-bomb.
• Nuclear_fusion wikiPageWikiLink Half-life.
• Nuclear_fusion wikiPageWikiLink Hans_Bethe.
• Nuclear_fusion wikiPageWikiLink Helium-3.
• Nuclear_fusion wikiPageWikiLink Helium-4.
• Nuclear_fusion wikiPageWikiLink Hydrogen.
• Nuclear_fusion wikiPageWikiLink Hydrogen_bomb.
• Nuclear_fusion wikiPageWikiLink Hydrogen_isotopes.
• Nuclear_fusion wikiPageWikiLink ITER.
• Nuclear_fusion wikiPageWikiLink Impulse_generator.
• Nuclear_fusion wikiPageWikiLink Inertial_confinement_fusion.
• Nuclear_fusion wikiPageWikiLink Inertial_electrostatic_confinement.
• Nuclear_fusion wikiPageWikiLink Institute_of_Physics.
• Nuclear_fusion wikiPageWikiLink Inverse-square_law.
• Nuclear_fusion wikiPageWikiLink Inverse_square_law.
• Nuclear_fusion wikiPageWikiLink Ion.
• Nuclear_fusion wikiPageWikiLink Ionization_energy.
• Nuclear_fusion wikiPageWikiLink Iron.

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