This resource describes the world's first nuclear reactor and the role which it played in the Manhattan Project. Also discussed are topics such as the goal of plutonium development for nuclear weapons, the goals of the top-secret,...

Credited with the creation of the atomic bomb, Robert Oppenheimer opposed the development of the hydrogen bomb. Read about Oppenheimer's education and involvement in the atomic explosions, which "changed the world forever."

A lengthy lecture-format page with key points of the development and emergence of the Cold War. Includes many useful links within the content.