There are two main purposes for writing a business plan. The first, and most important, is to. serve as a guide during the life of your business. It is the blueprint of your business and will. serve to keep you on the right track.
Nuclear fission of heavy elements was discovered on December 17, 1938 by German Otto Hahn and his assistant Fritz Strassmann, and explained theoretically in January 1939 by Lise Meitner and her nephew Otto Robert Frisch.Frisch named the process by analogy with biological fission of living cells.uclear fission produces energy for nuclear power and drives the explosion of nuclear weapons. Both uses are possible because certain substances called nuclear fuels undergo fission when struck by fission neutrons, and in turn emit neutrons when they break apart.
Hiroshima. On August 6, 1945, a uranium fission bomb was detonated over the Japanese city of Hiroshima. The bomb, called Little Boy was a  gun-type  device which used an explosive charge to force two sub-critical masses of U-235 together.lutonium Bomb. Plutonium-239 is a fissionable isotope and can be used to make a nuclear fission bomb similar to that produced with uranium-235. The bomb which was dropped at Nagasaki was a plutonium bomb. Not enough Pu-239 exists in nature to make a major weapons supply, but it is easily produced in breeder reactors.