Technology of the 20th Century

"There will one day spring from the brain of science a machine or force so fearful in its potentialities, so absolutely terrifying, that even man, the fighter, who will dare torture and death in order to inflict torture and death, will be appalled, and so will abandon war forever." Although spoken in 1922, Thomas Edison's words tell ominously of what is to come. The exploitation of the atom altered the world forever, changing the nature of war, giving us a new source of electric power, and providing new capabilities in medical research and imaging.
…