Editor's note: If you'd like to pinpoint the instant when the world entered the nuclear age, 5:29:45 a.m. Mountain War Time on 16 July 1945, is an excellent choice. That was the moment when human ...

Few names are as closely linked with the atomic bomb as Albert Einstein's. Mention nuclear weapons and, sooner or later, ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. On a dark July morning in ...