Another explosion at the Japanese nuclear facility, anyone worried about another another Chernobyl?
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the soviets blew up the largest nuclear bomb in history and was so large that they scared themselfs. the japan reactor meltdown is bad yes but not as bas as how much radioactive stuff both the US and the soviets did in the 50's and 60's testing nuclear weapons
The critical masses in our atomic weapons used against Japan were about 120 pounds of Uranium and 13 pounds of Plutonium. Most of their energy was expended at detonation as prompt gamma and x-ray radiation; most of the people who got radiation sickness or died were irradiated by gamma rays and x-rays from the detonations.*
An operating reactor has*hundreds of tons*of low-enriched Uranium and some Plutonium (depending on when the reactor was last fueled) and so, a reactor meltdown is much more dangerous from a radiation standpoint than a nuclear weapon.