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- Nuclear_weapon abstract "A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion. Both reactions release vast quantities of energy from relatively small amounts of matter. The first fission ("atomic") bomb test released the same amount of energy as approximately 20,000 tons of TNT. The first thermonuclear ("hydrogen") bomb test released the same amount of energy as approximately 10,000,000 tons of TNT.A thermonuclear weapon weighing little more than 2,400 pounds (1,100 kg) can produce an explosive force comparable to the detonation of more than 1.2 million tons (1.1 million tonnes) of TNT. Thus, even a small nuclear device no larger than traditional bombs can devastate an entire city by blast, fire, and radiation. Nuclear weapons are considered weapons of mass destruction, and their use and control have been a major focus of international relations policy since their debut.Two nuclear weapons have been used in the course of warfare, both times by the United States near the end of World War II. On 6 August 1945, a uranium gun-type fission bomb code-named "Little Boy" was detonated over the Japanese city of Hiroshima. Three days later, on 9 August, a plutonium implosion-type fission bomb code-named "Fat Man" was exploded over Nagasaki, Japan. These two bombings resulted in the deaths of approximately 200,000 people—mostly civilians—from acute injuries sustained from the explosions. The role of the bombings in Japan's surrender, and their ethical status, remain the subject of scholarly and popular debate.Since the bombings of Hiroshima and Nagasaki, nuclear weapons have been detonated on over two thousand occasions for testing purposes and demonstrations. Only a few nations possess such weapons or are suspected of seeking them. The only countries known to have detonated nuclear weapons—and that acknowledge possessing such weapons—are (chronologically by date of first test) the United States, the Soviet Union (succeeded as a nuclear power by Russia), the United Kingdom, France, the People's Republic of China, India, Pakistan, and North Korea. Israel is also widely believed to possess nuclear weapons, though it does not acknowledge having them. One state, South Africa, fabricated nuclear weapons in the past, but as its apartheid regime was coming to an end it disassembled its arsenal, acceded to the Nuclear Non-Proliferation Treaty, and accepted full-scope international safeguards. The Federation of American Scientists estimates there are more than 17,000 nuclear warheads in the world as of 2012, with around 4,300 of them considered "operational", ready for use.".
- Nuclear_weapon thumbnail Nagasakibomb.jpg?width=300.
- Nuclear_weapon wikiPageExternalLink alsos.wlu.edu.
- Nuclear_weapon wikiPageExternalLink search.tkl?q=nuclear+weapons&search_crit=title&search=Search&date1=Anytime&date2=Anytime&type=form.
- Nuclear_weapon wikiPageExternalLink fas.org.
- Nuclear_weapon wikiPageExternalLink nuke.
- Nuclear_weapon wikiPageExternalLink nuclearweaponarchive.org.
- Nuclear_weapon wikiPageExternalLink Nfaq0.html.
- Nuclear_weapon wikiPageExternalLink modules.php?name=Content&pa=showpage&pid=39.
- Nuclear_weapon wikiPageExternalLink www.Amazon.com.
- Nuclear_weapon wikiPageExternalLink index.shtml.
- Nuclear_weapon wikiPageExternalLink index.shtml.
- Nuclear_weapon wikiPageExternalLink index.shtml.
- Nuclear_weapon wikiPageExternalLink nukeffct.
- Nuclear_weapon wikiPageExternalLink nukestab.html.
- Nuclear_weapon wikiPageExternalLink 1toc.htm.
- Nuclear_weapon wikiPageExternalLink index.html.
- Nuclear_weapon wikiPageExternalLink effects.htm.
- Nuclear_weapon wikiPageExternalLink nuclear.html.
- Nuclear_weapon wikiPageExternalLink history.
- Nuclear_weapon wikiPageExternalLink nuclear.
- Nuclear_weapon wikiPageExternalLink www.nuclearmuseum.org.
- Nuclear_weapon wikiPageExternalLink default.htm.
- Nuclear_weapon wikiPageExternalLink default.htm.
- Nuclear_weapon wikiPageExternalLink bomb.
- Nuclear_weapon wikiPageExternalLink effects.shtml.
- Nuclear_weapon wikiPageExternalLink www.sonicbomb.com.
- Nuclear_weapon wikiPageExternalLink www.uscoldwar.com.
- Nuclear_weapon wikiPageExternalLink www.voshn.com.
- Nuclear_weapon wikiPageExternalLink NPIHP.
- Nuclear_weapon wikiPageID "21785".
- Nuclear_weapon wikiPageRevisionID "604100181".
- Nuclear_weapon hasPhotoCollection Nuclear_weapon.
- Nuclear_weapon subject Category:1945_introductions.
- Nuclear_weapon subject Category:American_inventions.
- Nuclear_weapon subject Category:Articles_containing_video_clips.
- Nuclear_weapon subject Category:Nuclear_weapons.
- Nuclear_weapon comment "A nuclear weapon is an explosive device that derives its destructive force from nuclear reactions, either fission or a combination of fission and fusion. Both reactions release vast quantities of energy from relatively small amounts of matter. The first fission ("atomic") bomb test released the same amount of energy as approximately 20,000 tons of TNT.".
- Nuclear_weapon label "Arma nuclear".
- Nuclear_weapon label "Arma nucleare".
- Nuclear_weapon label "Arme nucléaire".
- Nuclear_weapon label "Bomba nuclear".
- Nuclear_weapon label "Broń jądrowa".
- Nuclear_weapon label "Kernwaffe".
- Nuclear_weapon label "Kernwapen".
- Nuclear_weapon label "Nuclear weapon".
- Nuclear_weapon label "Ядерное оружие".
- Nuclear_weapon label "سلاح نووي".
- Nuclear_weapon label "核兵器".
- Nuclear_weapon label "核武器".
- Nuclear_weapon sameAs Jaderná_zbraň.
- Nuclear_weapon sameAs Kernwaffe.
- Nuclear_weapon sameAs Ατομική_βόμβα.
- Nuclear_weapon sameAs Arma_nuclear.
- Nuclear_weapon sameAs Bonba_nuklear.
- Nuclear_weapon sameAs Arme_nucléaire.
- Nuclear_weapon sameAs Senjata_nuklir.
- Nuclear_weapon sameAs Arma_nucleare.
- Nuclear_weapon sameAs 核兵器.
- Nuclear_weapon sameAs 핵무기.
- Nuclear_weapon sameAs Kernwapen.
- Nuclear_weapon sameAs Broń_jądrowa.
- Nuclear_weapon sameAs Bomba_nuclear.
- Nuclear_weapon sameAs m.05gpf.
- Nuclear_weapon sameAs Q12802.
- Nuclear_weapon sameAs Q12802.
- Nuclear_weapon wasDerivedFrom Nuclear_weapon?oldid=604100181.
- Nuclear_weapon depiction Nagasakibomb.jpg.
- Nuclear_weapon isPrimaryTopicOf Nuclear_weapon.