Pictorial essay of the Japanese city of Nagasaki before and after the atomic bombing in August 1945.

Published on 8/04/05, the BBC interviewed three of the men involved in the mission to drop the atomic bomb on the city of Hiroshima. We get their viewpoints and an understanding of what their duties were on that day.

Innovations in transportation, communication, and weapons transformed the world in the 20th century. The modern era is the most complex yet, and the most fragile. This photo gallery highlights some of these innovations.

Hear a 1945 American radio report about the atomic bombing of Japan, see a photo of the atomic explosion over Nagasaki, and read an account of how the surrender was announced to the Japanese.