"fat man" was the name of the atomic bomb dropped on Nagaski. "little boy" was dropped in Hiroshima.
The Enola Gay wasn't the atomic bomb. That honor goes to Little Boy and Fat Man. The Enola Gay was the plane specially created to drop the atomic bombs :)
See: Atomic bombings of Hiroshima and Nagasaki
Actually there is no secret to the atomic bomb. However Klaus Fuchs & Ted Hall provided the plans of Fat Man. This saved them considerable engineering effort.
Plutonium was and still is used for atomic bombs. The atomic bombs you are talking about would be fat man and little boy. They were the two used to bomb Hiroshima and Nagasaki Many people were killed when the b-29 bomber dropped fat man.
1st Atomic Bomb- (FAT MAN) Hiroshima 2nd Atomic Bomb- (LITTLE BOY) Nagasaki Actually, the first bomb dropped was Little Boy, and that was on Hiroshima. Fat Man, the second bomb, was dropped on Nagasaki.
On August 9th 1945 the Fat Man atomic bomb was dropped on Nagasaki Japan.
Fat Man
fat boy
fat man
Fat boy was the big bomb and little boy was the smaller bomb.
20 kilotons
128.375 inches
Fat man.
Fat Man
Little boy was a uranium fission bomb and Fat man was a plutonium implosion type bomb. Both required the needed research. There is no record into was harder to produce.
"fat man" was the name of the atomic bomb dropped on Nagaski. "little boy" was dropped in Hiroshima.