Nuclear Weapons

Definition

Powerful explosive devices that derive their destructive force from nuclear reactions - either fission or a combination of fission and fusion.

Related terms

Manhattan Project: The research project during World War II that resulted in the creation of nuclear weapons by the United States.

Hiroshima/Nagasaki Bombings: These were devastating nuclear attacks on Japan by U.S forces during World War II using atomic bombs developed under Manhattan Project.

Non-Proliferation Treaty (NPT): An international treaty aimed at preventing spread of nuclear weapons and promoting disarmament.