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Topic: List of nuclear accidents

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In the News (Sun 23 Jun 19)

  Nuclear reactor at opensource encyclopedia   (Site not responding. Last check: 2007-11-06)
A nuclear reactor is an apparatus in which nuclear fission chain reactions are initiated, controlled, and sustained at a steady rate.
In the vast majority of the world's nuclear power plants, heat energy generated by fissioning uranium fuel is collected in purified water and is carried away from the reactor's core either as steam in boiling water reactors or as superheated water in pressurized-water reactors.
Nuclear power does have very useful additional advantages such as the production of radioisotopes (used in medicine and food preservation), though the demand for these products can be satisfied by a relatively small number of plants.
wiki.tatet.com /Nuclear_reactor.html   (3078 words)

 Encyclopedia article on Nuclear weapon [EncycloZine]   (Site not responding. Last check: 2007-11-06)
Nuclear weapons are often described as either fission or fusion devices based on the dominant source of the weapon's energy.
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.
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.
encyclozine.com /Atom_bombs   (4686 words)

 [No title]
The accident occurred not long after takeoff when the aircraft lost power in two of its engines during a training flight as it was returning from Labrador, Canada, to its home base at Davis-Monthan AFB in Tucson, Arizona.
Following the accident, Air Force crews were ordered to "lock in" their nuclear bombs, which reduced the possibility of accidental drops but increased the danger during a plane crash.
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)

 MILNET: U.S. Nuclear Weapons Accidents - Mirror
In the case of an accident involving nuclear weapons, their presence may or may not be divulged at the time depending upon the possibility of public hazard or alarm.
With some early models of nuclear weapons, it was standard procedure during most operations to keep a capsule of nuclear material separate from the weapon for safety purposes.
CDI: This dissappearance of the B-47, its crew, and nuclear weapons material was assumed to be an accident.
www.milnet.com /cdiart.htm   (8360 words)

The following list of nuclear accidents-in-progress in this section of RADNET is only a sampling of some of the most important source points of radioactive contamination of the environment; this list is incomplete, in progress and subject to revision.
Accident plume pulses are grouped into three categories: releases having a world-wide impact; major releases within the US; and major regional releases outside of the US (excluding the huge Russian source points discussed in RAD 11: 6).
Major accidents outside the US There are thousands of other regional source points of anthropogenic radioactivity; this is an attempt to list a few of the major source points which are ongoing accidents-in-progress.
www.davistownmuseum.org /cbm/Rad16.html   (8913 words)

 CDI List of Accidents 1950-80
According to The Nation, February 7, 1981, between 1950 and 1980 the U.S. had 27 nuclear accidents acknowledged by the Pentagon, several of which have spewed radiation into earth, sea, and atmosphere.
One of four nuclear weapons recovered by Seabees from ocean floor; others may have been destroyed by fire; 237,000 cubic feet of contaminated ice, snow, and water removed to U.S. Comment from Scott Portzline, happen@pipeline.com: Three of the four bombs were destroyed by fire.
Of an average of 29.3 nuclear weapon accidents and incidents per year during the 12-year period, 146 involved tactical nuclear bombs carried by Naval aircraft.
www.prop1.org /2000/accident/cdilist.htm   (824 words)

 The Memory Hole > Accidents Involving Nukes: Official List from the UK Ministry of Defence
British nuclear weapons have been repeatedly dropped, struck by other weapons, and on one occasion carried on a truck that slid down a hill and toppled over, the Ministry of Defence has admitted after decades of secrecy.
This was included as Serial 13 of Section 2 of the revised table supplied with our letter to you of 3 October which the Ombudsman regarded as a satisfactory outcome to your complaint about the level of information we had previously been willing to provide on incidents referred to by Oxburgh.
As you will be aware, the Royal Navy's surface ships ceased to carry nuclear weapons in the early 1990s and the records which are still available do not show how these recommendations were implemented.
www.thememoryhole.org /nukes/mod-nuke-accidents.htm   (665 words)

 U.S. Nuclear Accidents
Despite claims by the nuclear industry that "no one died at Three Mile Island," a study by Dr. Ernest J. Sternglass, professor of radiation physics at the University of Pittsburgh, showed that the accident led to a minimum of 430 infant deaths.
The Nuclear Regulatory Commission released a warning to the operators of 34 nuclear reactors around the country that the instruments used to measure levels of water in the reactor could give false readings during routine shutdowns and fail to detect important leaks.
Details of the accident remained classified until November 1993, when Navy reports revealed that the cause of the sinking was an accidental detonation of the conventional explosives in one of Scorpion's warheads.
www.lutins.org /nukes.html   (6257 words)

 Nuclear and Chemical Accidents
radioactive core of reactor in the Lubmin nuclear power plant nearly melted down due to the failure of safety systems during a fire.
IAEA conventions on nuclear safety provide for co-operation in wake of nuclear accident.
Iraq completely free of nuclear, biological, chemical weapons, Iraqi Foreign Minister tells General Assembly; Sweden welcomes Iraqi decision to cooperate with United Nations; Stresses that weapons of mass destruction are `the heart of the issue'.
www.infoplease.com /ipa/A0001457.html   (512 words)

 5 yen coin
One reason that it is notable is that following the Tokimura nuclear accident, physicists Masuchika Konho and Yoshnobu Koizumi showed how the coin could be used to estimate neutron dosage to the surrounding population, by measuring its zinc isotope ratios.
To obtain a record of the dosage of neutrons released as a result of the accident, we collected exposed coins from people's houses at distances 100–550 m from the facility.
The coin on the right was shrunk with a very strong magnetic field by an amateur scientist in the United States (unrelated to nuclear power).
encycl.opentopia.com /term/5_yen_coin   (241 words)

 Calendar of Nuclear Accidents
Below is a calendar that shows the threat that humanity faces from the atom bomb and the nuclear fuel cycle.
26-1986: Explosion of reactor 4 at Chernobyl nuclear power plant; the worst civilian nuclear accident to date.
11-1969: Fire at Rocky Flats nuclear weapons plant causes plutonium to spontaneously ignite.
archive.greenpeace.org /comms/nukes/chernob/rep02.html   (3566 words)

 IEER Reports: Nuclear Power Deception   (Site not responding. Last check: 2007-11-06)
For more information on nuclear reactors and reactor accidents, order the full report, "The Nuclear Power Deception."
Safety experiment went awry; total release 50 to 80 million curies or more; potential for continuing large releases exists
near Idaho Falls, U.S. accidental supercriticality followed by explosion and destruction of the reactor
www.ieer.org /reports/accident.html   (215 words)

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