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Shutdown is the state of a nuclear reactor when the fission reaction is slowed significantly or halted completely. Different nuclear reactor designs have different definitions for what "shutdown" means, but it typically means that the reactor is not producing a measurable amount of electricity or heat and is in a stable condition with very low reactivity.
The Soviet November-class attack submarine K-8 sank during salvage with 52 sailors on board after suffering fires in two compartments simultaneously. Both reactors were shut down. The crew attempted to hook a tow line to a Bulgarian merchant vessel, but ultimately failed. [66] December 18, 1970 Nevada Test Site: Accidental venting of nuclear ...
A clean-up crew working to remove radioactive contamination after the Three Mile Island accident. Nuclear safety is defined by the International Atomic Energy Agency (IAEA) as "The achievement of proper operating conditions, prevention of accidents or mitigation of accident consequences, resulting in protection of workers, the public and the environment from undue radiation hazards".
Reactor unit 4 is in "hot shutdown", mainly for heating purposes. IAEA Director General Rafael Grossi says that fighting a war around a nuclear plant has put nuclear safety and security in ...
Nuclear power protest in Berlin, 2011 After Chernobyl, nuclear debate became a topic in galleries and exhibitions. Artwork by French-American Jean Dupuy in 1986 dedicated to Chernobyl disaster. The accident also raised concerns about the cavalier safety culture in the Soviet nuclear power industry, slowing industry growth and forcing the Soviet ...
The vulnerability of nuclear plants to deliberate attack is of concern in the area of nuclear safety and security. [44] Nuclear power plants , civilian research reactors, certain naval fuel facilities, uranium enrichment plants, fuel fabrication plants, and potentially even uranium mines are vulnerable to attacks which could lead to widespread ...
The issue was worsened by leaders referring to B-52 sorties as "nuclear strikes", [48] by the increased use of encrypted diplomatic channels between the US and UK, [49] and by the nuclear attack false alarm in September. In response, Soviet nuclear capable aircraft were fueled and armed ready to launch on the runway, and ICBMs were brought up ...
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