Records, Random Facts, History, Daily FactsCuriousOneJanuary 13, 2015Tsar, fact, Most, Single, Ever, Nuclear, Verified, Powerful, Bomba, Physically, staycurious, Used, Device, Mankind, Bomb, FactsComment The Tsar Bomba is the single most physically powerful device ever used by mankind Records, Random Facts, History, Daily FactsCuriousOneJanuary 13, 2015Tsar, fact, Most, Single, Ever, Nuclear, Verified, Powerful, Bomba, Physically, staycurious, Used, Device, Mankind, Bomb, FactsComment