This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.
Jumbo was designed by Los Alamos lab to act as a failsafe device for the Trinity test explosion.
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.
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.
In the 1930s, scientists observed and explained nuclear fission--splitting an atom--for the first time.