Synopsis: The atomic bombing of Hiroshima, on August 6, 1945, was a moment that changed the world. Power that fueled the stars had been unleashed and turned into a lethal technology. Now learn the second-by-second story of that defining moments through those hit hardest by that weapon - the survivors. Interwoven throughout the survivors' stories, we hear from atomic bomb experts like Massachusetts Institute of Technology Professor Theodore Postol and "The Making of the Atomic Bomb" author Richard Rhodes, who draw from declassified military reports to break down the bomb's devastating effects and the lasting implications of humanity's newfound power to destroy the world.