"2.7e+07"^^ . "8.0"^^ . . "Tsar Bomba (Russian: \u0426\u0430\u0440\u044C-\u0431\u043E\u043C\u0431\u0430; \"Tsar of bombs\") is the nickname for the AN602 hydrogen bomb, the most powerful nuclear weapon ever detonated. Its test on October 30, 1961, remains the most powerful man-made explosion in human history. It was also referred to as Kuz'kina Mat' (Russian: \u041A\u0443\u0437\u044C\u043A\u0438\u043D\u0430 \u043C\u0430\u0442\u044C, Kuzma's mother), referring to Nikita Khrushchev's promise to show the United States a \"Kuz'kina Mat'\" at the 1960 United Nations General Assembly."@en . . "Tsar Bomba (AN602)"@en . . "2.1"^^ . .