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"Tsar Bomba; slang term, derived from Russian; "Supreme Bomb" In the 1950s the Soviet Union (Communist Russia) detonated the largest thermonuclear fusion explosion of that or any time, 50 megatons = 50 million tons of TNT (250 x Hiroshima/Nagasaki) A maximum superlative, refers to a major feat, revelation or devastating point or refutation. That which cannot be equaled nor exceeded.
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