"Gadget," the first atomic bomb — a 6-foot sphere with a grapefruit-sized Plutonium core, covered in cables — was born out of the Albert Einstein-inspired Manhattan Project, and was detonated ...

So why not the atomic bomb? Nazi Germany ... an element roughly half the size of uranium. Their former colleague Lise Meitner, who a few months before had been forced to flee Germany and seek ...

The lives of two atomic bombing survivors have become unexpectedly linked through the rescue of a life-size model of the bomb dropped on Hiroshima that was bound for the junkyard. When Hiroshi ...

The education ministry on Nov. 28 announced the 1,532 photos and two videos taken between Aug. 6, 1945, when the atomic bomb was dropped on Hiroshima, and December 1945 would be recommended.

"It is," the observer assured him. The bomb had in fact yielded 20 kilotons, making it about the same size as Trinity, the first U.S. atomic test. Two months later the scientists principally ...