in history (the first was the "Trinity" test), and it was the first uranium-based detonation ever. Approximately 600 milligrams of mass were converted into energy. It exploded with a destructive power equivalent to between 13 and 16 kilotons of TNT (estimates vary) and killed approximately 140000 people including associated effects. The full version of the video: uk.youtube.com ... Hiroshima Atomic Bomb After 1945 Color WW2 Enola Gay America Roosevelt Churchill Japan Kamikaze World War Banzai ...