Atomic Bombs are devastating bombs that not only destroy everything within a huge radius, it creates the area inhabitable. After a nuclear blast, the blast zone becomes filled of radiation from the bomb, the radiation slowly kills survivors who are outside. As people are exposed to radiation, the radiation destroys their DNA, which eventually kills the person. A 1 megaton atomic bomb can cover 100 square miles, A 20 megaton blast firestorm can cover nearly 2500 square miles. Hiroshima and Nagasaki were small cities, and by today's standards the bombs dropped on them were small bombs.
Atomic bombs are detonated by splitting an atom of radioactive material, called nuclear fission, when the atom is split it releases so much energy, and the bomb