Changes

Little boy consisted of two masses of Uranium 235 as radioactive material. A "gun-assembly method" ignited the bomb as follows: one subcritical mass of uranium was fired at another, and together they reached a critical mass to set off a nuclear explosion.  

Little boy consisted of two masses of Uranium 235 as radioactive material. A "gun-assembly method" ignited the bomb as follows: one subcritical mass of uranium was fired at another, and together they reached a critical mass to set off a nuclear explosion.  

Little boy was dropped on Hiroshima.

Little boy was dropped on Hiroshima Japan on August 9th, 1945. It is estimated that the bomb killed 140,000 people.  

[[Category:Weapons]]

[[Category:Weapons]]