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Building on major scientific breakthroughs made during the 1930s, the United Kingdom began the world's first nuclear weapons research project, codenamed Tube Alloys, in 1941, during World War II. The United States, in collaboration with the United Kingdom, initiated the Manhattan Project the following year to build a weapon using nuclear fission.
May 5, 2024 · nuclear weapon, device designed to release energy in an explosive manner as a result of nuclear fission, nuclear fusion, or a combination of the two processes. Fission weapons are commonly referred to as atomic bombs. Fusion weapons are also referred to as thermonuclear bombs or, more commonly, hydrogen bombs; they are usually defined as ...
- A nuclear weapon is a device designed to release energy in an explosive manner as a result of nuclear fission, nuclear fusion, or a combination of...
- Concerns about the devastating effects of nuclear weapons have driven governments to negotiate arms control agreements. Some of the earliest ones i...
- The first test of a nuclear weapon occurred in the United States on July 16, 1945, at the Alamogordo Bombing Range in south-central New Mexico. The...
- The Soviet Union had the most nuclear weapons during the Cold War. The Soviet stockpile reached a peak of about 33,000 operational warheads in 1988...
A nuclear weapon [a] is an explosive device that derives its destructive force from nuclear reactions, either fission (fission bomb) or a combination of fission and fusion reactions ( thermonuclear bomb ), producing a nuclear explosion.
Sep 6, 2017 · Learn about the development, use and impact of nuclear weapons in World War II and the Cold War. Explore the Manhattan Project, the Hiroshima and Nagasaki bombings, and the nuclear arms race.
- Missy Sullivan
- 1 min
Learn about the key events and milestones in the history of nuclear weapons, from the Manhattan Project to the Treaty on the Prohibition of Nuclear Weapons. Explore the impacts, challenges and achievements of the nuclear age with ICAN, the Nobel Peace Laureate campaign for a world free of nuclear weapons.
Jul 15, 2020 · Learn how the U.S. developed and used nuclear weapons in World War II, sparking the Cold War and the arms race with the Soviet Union. Explore the impact of nuclear tests, accidents, and disarmament movements on the world and the environment.
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Learn about the history and data of nuclear weapons, from their creation in the 1940s to the current arsenals and risks. See charts and maps on the number, destructiveness, and use of nuclear warheads by countries and over time.
