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Topic: Nuclear weapon

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  Nuclear weapon design - Wikipedia, the free encyclopedia
Weapons which have a fusion stage are also referred to as hydrogen bombs or H-bombs because of their primary fuel, or thermonuclear weapons because fusion reactions require extremely high temperatures to occur.
The isotopes desirable for a nuclear weapon are those which have a high probability of fission reaction, yield a high number of excess neutrons, have a low probability of absorbing neutrons without a fission reaction, and do have a low spontaneous fission rate.
Nuclear weapons which utilize nuclear fusion can have greatly increased yields over weapons which use only fission, as fusion releases even more energy per reaction than fission, and can also be used as a source for additional neutrons.
en.wikipedia.org /wiki/Nuclear_weapon_design   (7347 words)

 Nuclear weapon - Wikipedia
Weapons which have a fusion stage are also referred to as hydrogen bombs or H-bombs because of their primary fuel, or thermonuclear weapons because fusion reactions require extremely high temperatures for a chain reaction to occur.
Nuclear weapons are often described as either fission or fusion devices based on the dominant source of the weapon's energy.
Nuclear weapons are relatively inefficient in their use of fissionable material, and much of the uranium and plutonium is dispersed by the explosion without undergoing fission.
wikipedia.findthelinks.com /nu/Nuclear_weapon.html   (3140 words)

 Nuclear weapon - Wikipedia, the free encyclopedia
The detonation of a nuclear weapon is accompanied by a blast of neutron radiation.
Nuclear weapons were symbols of military and national power, and nuclear testing was often used both to test new designs as well as to send political messages.
Nuclear weapons have been at the heart of many national and international political disputes and have played a major part in popular culture since their dramatic public debut in the 1940s and have usually symbolized the ultimate ability of mankind to utilize the strength of nature for destruction.
en.wikipedia.org /wiki/Nuclear_weapon   (2522 words)

 Nuclear weapon - Facts, Information, and Encyclopedia Reference article
The energy released by a nuclear weapon is generally measured by the explosive power of an equivalent amount of trinitrotoluene, known as the weapon's yield.
Although a nuclear weapon is capable of causing the same destruction as conventional explosives through the effects of blast and thermal radiation, it does so by releasing much larger amounts of energy in a much shorter period of time.
Nuclear proliferation has continued, though, with Pakistan testing their first weapons in 1998, and the state of North Korea claiming to have developed nuclear weapons in 2004.
www.startsurfing.com /encyclopedia/n/u/c/Nuclear_weapon.html   (2637 words)

 Reference.com/Encyclopedia/Nuclear weapon
A nuclear weapon is a weapon that derives its energy from the nuclear reactions of fission and/or fusion.
Hypothetical antimatter weapons, which would use matter-antimatter reactions, would not technically be nuclear weapons (as they would not be using energy derived from either nuclear fission or fusion), but bear noting due to a potentially higher potential energy by weight than conventional or nuclear explosives.
The energy released by nuclear weapons is generally measured in its equivalence to kilotons and megatons—thousands and millions of tons, respectively—of TNT.
www.reference.com /browse/wiki/Nuclear_weapon   (2252 words)

 Nuclear weapon - Wikipedia, the free encyclopedia   (Site not responding. Last check: 2007-10-22)
As a result, even a nuclear weapon with a relatively small yield is significantly more powerful than the largest conventional explosives, and a single weapon can destroy or seriously disable an entire city.
In fission weapons, a mass of fissile material (enriched uranium or plutonium) is rapidly assembled into a supercritical mass by shooting one piece of subcritical material into another or compressing a subcritical mass, usually with chemical explosives.
Some weapons are designed for special purposes; a neutron bomb is a nuclear weapon that yields a relatively small explosion but a relatively large amount of radiation.
www.knowledgehunter.info /wiki/Nuclear_weapon   (1541 words)

 Encyclopedia article on Nuclear weapon [EncycloZine]   (Site not responding. Last check: 2007-10-22)
A nuclear weapon is a weapon that derives its energy from nuclear reactions and has enormous destructive power — a single nuclear weapon is capable of destroying a city.
Weapons which have a fusion stage are also referred to as hydrogen bombs or H-bombs because their fusion fuel is often a form of hydrogen, or thermonuclear weapons because fusion reactions require extremely high temperatures for a chain reaction to occur.
Though it would not be a nuclear weapon in the traditional sense of using fission or fusion reactions, there has been some speculation as to the use of antimatter as the source for a weapon of some sort.
encyclozine.com /Atom_bombs   (4686 words)

 Nuclear Weapon Design
However, after the introduction of the principal families of weapons in the modern stockpile (approximately the mid 1970’s), the rate of design innovations and truly new concepts slowed as nuclear weapon technology became a mature science.
Nuclear weaponry has advanced considerably since 1945, as can be seen at an unclassified level by comparing the size and weight of “Fat Man” with the far smaller, lighter, and more powerful weapons carried by modern ballistic missiles.
US nuclear weapons technology is mature and might not have shown many more qualitative advances over the long haul, even absent a test ban.
www.globalsecurity.org /wmd/intro/nuke-design.htm   (638 words)

 [No title]
A nuclear weapon without its fissile core fell from the bomb bay of a B-36 at an altitude of 1,700 feet and exploded upon impact.
The nuclear weapon was completely destroyed in the detonation which occurred approximately 4.5 miles south of the Kirtland control tower and 0.3 miles west of the Sandia Base reservation, creating a blast crater approximately 25 feet in diameter and 12 feet deep.
The nuclear weapons were being transported in a tactical ferry configuration, meaning that no mechanical or electrical connections had been made from the bombs to the aircraft.
www.cdi.org /Issues/NukeAccidents/accidents.htm   (7185 words)

 Nukefix, To Fix the Nuclear Weapons Problem
If they had been nuclear, instead of contemplating the destruction of three buildings and loss of approximately 6,000 lives, we would be presented with a pervasive gray radioactive ash, hundreds of thousands of deaths, widespread destruction and the prospect of cities made uninhabitable into the indefinite future.
Indeed, given the scale of nuclear weaponry throughout the world, risk over the long term in the neighborhood of an average 2.4 million nuclear weapon deaths annually worldwide appears in the base case shown in the computer program Nukefix.
For those of you who are unalterably in favor of nuclear weapons, please carefully examine the portions of the program that relate to accidental use.
www.nukefix.org   (3234 words)

 Nuclear Bunker Busters (Robust Nuclear Earth Penetrator)   (Site not responding. Last check: 2007-10-22)
The Bush administration and some Members of Congress want to develop a nuclear bunker buster to destroy hardened and deeply buried targets that may contain command and control centers, key leadership personnel and stockpiles of chemical and/or biological weapons.
The design is based on modified, rather than new, nuclear warheads which have the ability to be given large yields in the hundreds of kilotons or small yields less than 5 kilotons, thereby avoiding the Spratt-Furse prohibition (click here for more information on Spratt-Furse).
This would overturn the 10 year moratorium on nuclear testing and could lead other nuclear powers to also resume testing which would have a chilling effect on future arms control and non-proliferation efforts.
www.ananuclear.org /rnep.html   (1441 words)

 N. Korea, Iran: Twin Nuke Troubles - CBS News
The nuclear ambitions of Iran and North Korea — the two "axis of evil" members that the United States has not invaded — are likely topics of this week's presidential debate on foreign policy.
North Korea now says it has turned the plutonium from 8,000 spent nuclear fuel rods into nuclear weapons to serve as a deterrent against increasing U.S. nuclear threats and to prevent a nuclear war in northeast Asia.
He said the United States and other nations should "call their bluff" by offering nuclear fuel for peaceful purposes, then taking back the spent fuel so it can't be used for weapons.
www.cbsnews.com /stories/2004/09/28/politics/main645949.shtml   (1310 words)

 50 Facts About U.S. Nuclear Weapons   (Site not responding. Last check: 2007-10-22)
This project was completed in August 1998 and resulted in the book Atomic Audit: The Costs and Consequences of U.S. Nuclear Weapons Since 1940 edited by Stephen I. Schwartz.
History of the Custody and Deployment of Nuclear Weapons, July 1945 Through September 1977, Prepared by the Office of the Assistant Secretary of Defense (Atomic Energy), February 1978, p.
Number of nuclear weapons tests in Alaska [1, 2, and 3], Colorado [1 and 2], Mississippi and New Mexico [1, 2 and 3]: 10
www.brook.edu /FP/PROJECTS/NUCWCOST/50.htm   (1522 words)

 The Nuclear Weapon Archive - A Guide to Nuclear Weapons
Greg and I are actively collaborating to provide the broadest variety of nuclear weapon information, in the most convenient form that we can.
NRDC table of global nuclear stockpiles from the dawn of the Atomic Age to the present
Nuclear Data Center of the Japan Atomic Energy Research Institute (JAERI).
nuclearweaponarchive.org   (1132 words)

 The Rediff On The NeT Special: The Bomb and After
Nuclear powers have to do something more before India is ready to sign CTBT: PM
Nuclear command to rest with political leadership: Fernandes
The route to bottling the nuclear genie does not lie in revolution
www.rediff.com /news/bomb.htm   (1370 words)

 Nuclear weapons - Wikimedia Commons
en: Nuclear weapons are devices which use nuclear reactions, nuclear fission and often nuclear fusion, for the source of massive explosive power.
They are also known as atomic bombs, hydrogen bombs, and thermonuclear weapons.
This page was last modified 17:36, 5 February 2006.
commons.wikimedia.org /wiki/Nuclear_weapons   (70 words)

 Nuclear weapon research on the Internet
This page is designed to facilitate nuclear weapons research on the Internet.
Russia’s Nuclear and Missile Complex: The Human Factor in Proliferation
Where the Nukes Are, US Nuclear Weapon Locations - State by State
www.nukefix.org /link.html   (714 words)

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