-
Discovery of Uranium
Uranium is a significant discovery by Martin Klaproth, a German chemist, and was named after the planet Uranus. It is one of the key ingredients in making some types of nuclear warheads. https://world-nuclear.org/information-library/current-and-future-generation/outline-history-of-nuclear-energy#conceiving-the-atomic-bomb -
Discovery of nuclear fission
Italian physicist Enrico Fermi performed a series of experiments in which he exposed many elements to low-speed neutrons. https://www.britannica.com/technology/nuclear-weapon/Residual-radiation-and-fallout#ref275639 -
Advisory Committee on Uranium
Chain reaction of Uranium deemed possible, but unproven by the Advisory Committee on Uranium after U.S. taken interest after Nazi Germany begins to show interest. https://www.britannica.com/technology/nuclear-weapon/Residual-radiation-and-fallout -
Manhattan Project
The decision was made to proceed simultaneously on all promising production methods for nuclear weapons. Project got its name in August of that year. https://www.britannica.com/technology/nuclear-weapon/Residual-radiation-and-fallout#ref275639 -
First Atomic bomb dropped by US
The atomic bomb, nicknamed "Little Boy," was dropped. Estimated to yield 15 kilotons of TNT. It was the first atom bomb used for a non-testing purpose. https://www.britannica.com/technology/nuclear-weapon/Residual-radiation-and-fallout#ref275639 -
Thermonuclear Weapons developed
In secret, a small Defence Policy Committee chaired by Churchill decided to further the development of nuclear weapons in Britain. https://www.britannica.com/technology/nuclear-weapon/The-spread-of-nuclear-weapons -
The near future
Modern ICBMs (Intercontinental ballistic missiles) travel at high speed carrying an ever-growing payload. In the future, these ICBMs are made to be able to move faster and to cause more destruction.