This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.
Hungarian-American physicist Leo Szilard's petition sought to avert use of the atomic bombs against Japan.
The Limited Test Ban Treaty (LTBT), also known as the Partial Test Ban Treaty (PTBT), is an arms control agreement intended to restrict the testing of nuclear weapons and limit nuclear proliferation.
Technical description, photographs, and video of atomic bombs Little Boy and Fat Man dropped on Hiroshima and Nagasaki in August 1945.
Innovations in high-speed photography at Los Alamos helped develop photography into its modern-day form.
The summer of 1942 proved to be troublesome for the fledgling bomb project.
With the US now at war, a sense of great urgency permeated the government's scientific enterprise.
During the early part of the twentieth century, physicists and chemists toyed with the idea of obtaining energy from atoms.
Many of the communities established during the Manhattan Project relied on Native American cooperation.
This article summarizes multilateral and bilateral treaties dealing with non-proliferation, limitation, and reduction of nuclear weapons.