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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 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 ...
The Cold and the Dark: The World after Nuclear War: A book co-authored by Carl Sagan in 1984 which followed his co-authoring of the TTAPS study in 1983. Threads: A 1984 docu-drama that Carl Sagan assisted in an advisory capacity. This film was the first of its kind to depict a nuclear winter.
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 ...
Reactors 1, 2, 5 and 6 are in cold shutdown, while Reactor No. 3 is shut down for repair and Reactor No. 4 is in so-called hot shutdown, according to the plant.
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".
The four-minute warning was a public alert system conceived by the British Government during the Cold War and operated between 1953 and 1992. The name derived from the approximate length of time from the point at which a Soviet nuclear missile attack against the United Kingdom could be confirmed and the impact of those missiles on their targets.
Nor does Gardiner believe that a nuclear attack by Russia would require a nuclear response by the West. “Even if the Russians were to do something stupid, there is no need for us to follow that ...