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The intermediate time scale is between 1 and 30 days, with long term fallout occurring after that. Examples of both intermediate and long term fallout occurred after the 1986 Chernobyl accident, which contaminated over 20,000 km 2 (7,700 sq mi) of land in Ukraine and Belarus.
[3] [4] Staying indoors until after the most hazardous fallout isotope, I-131 decays away to 0.1% of its initial quantity after ten half-lives – which is represented by 80 days in the care of I-131 cases, would make the difference between likely contracting thyroid cancer or escaping completely from this substance depending on the actions of ...
The effects of a nuclear explosion on its immediate vicinity are typically much more destructive and multifaceted than those caused by conventional explosives.In most cases, the energy released from a nuclear weapon detonated within the lower atmosphere can be approximately divided into four basic categories: [1]
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[3] [4] [5] The accident is the second biggest nuclear accident after the Chernobyl disaster, but is more complicated as three reactors suffered at least partial meltdowns. [6] Once a proponent of building more reactors, Prime Minister Naoto Kan took an increasingly anti-nuclear stance in the months following the Fukushima disaster.
The 2011 Fukushima Daiichi nuclear disaster, the worst nuclear incident in 25 years, displaced 50,000 households after radioactive material leaked into the air, soil and sea. [1] Radiation checks led to bans on some shipments of vegetables and fish. [ 2 ]
Nickel-60 is a stable isotope and undergoes no further decays after the transmutation is complete. The 5.27 year half-life of the 60 Co is long enough to allow it to settle out before significant decay has occurred and to render it impractical to wait in shelters for it to decay, yet short enough that intense radiation is produced. [4]
Mushroom cloud from the 1954 explosion of Castle Bravo, the largest nuclear weapon detonated by the U.S.. A nuclear holocaust, also known as a nuclear apocalypse, nuclear annihilation, nuclear armageddon, or atomic holocaust, is a theoretical scenario where the mass detonation of nuclear weapons causes widespread destruction and radioactive fallout, with global consequences.