Some of the images were colorized using artificial intelligence ... 9, 1945, the U.S. military dropped the “Fat Man” atomic bomb on Nagasaki. Kazuyuki was working at an elementary school ...

The Soviet Union detonated its first atomic bomb, known in the West as Joe-1, on Aug. 29, 1949, at Semipalatinsk Test Site, in Kazakhstan. The Soviets called their first atomic test "First Lightning." ...

Some of the images were colorized using artificial intelligence ... 6, 1945, the B-29 bomber Enola Gay was heading for Hiroshima with an atomic bomb aboard. That morning, about 8,000 children ...