Photo: Atomic bomb test explosion in Alamagordo ... They designed two bombs, one using uranium (called "Little Boy") and one using plutonium ("Fat Man"). By early 1945, the plants at Oak Ridge ...

was more efficient than Oak Ridge and that German bomb designs used methods more efficient than the U.S. "Little Boy" atomic bomb, so Germany would have needed much less power than Oak Ridge.

Little Boy is hailed as the ‘bomb that changed the world’. For the men who developed the atomic bomb and masterminded the mission, their families and the rest of the world finally know the top ...

At an estimated 360-kiloton yield, the B61-13 dwarfs “Little Boy,” the 15-kiloton atomic bomb used in Hiroshima, by sheer destructive potential. Designed to target large areas and fortified military ...

It’s not just a faster bomb. It’s a more lethal one. A single B61-13 carries a yield of up to 360 kilotons — that’s 361,000 tonnes of TNT. By comparison, the “Little Boy” dropped on ...

To end it, the most powerful weapon the world had ever seen was about to be unleashed, a watershed in world history: the atomic bomb ... Oppenheimer’s bomb, codenamed Little Boy, was ready.