A comprehensive look at the 50 years of nuclear testing in Nevada through oral histories of the participants. In addition to the histories, the site includes a timeline, information about the test sites, and videos.

This site from the University of Missouri-Columbia offers a comprehensive list of primary source documents from Truman regarding the Potsdam Conference and decision to use atomic weapons.

Report on Iran's commitment to a nuclear arms control treaty insisting that they be allowed to pursue a nuclear program for peaceful purposes. The US and allies believe Iran is developing atomic weapons. Of particular interest is the...

Provides interesting information, history, and facts on the Atomic Bomb and its use during WWII.

Read about Harry Truman and his decision to drop atomic bombs on Japan which ultimately ended World War II.

Originally published on July 16, 1945, this is a dramatic account of the government's testing of their latest, most powerful weapon, the atomic bomb. Describes the emotions of scientists and war officials before, during and after...

Read summaries of 20 accidents that moved the United States and USSR dangerously close to "mutually assured destruction" and nuclear war during the Cold War. A chilling reminder of the constant threat faced by all during that period of...

Read this detailed account of the decision and action to drop two atomic bombs on Japan after the attacks on Pearl Harbor.

Students don't generally learn much about Edward Teller in school. But with the progress in science in the 20th century, maybe they should. Edward Teller was one of the main architects of the hydrogen bomb. This is a great site by...

Defense-related research leads to the computer, the world enters the atomic age and TV conquers America.

Learn about the Pakistani nuclear physicist who was the founder of the uranium enrichment program for Pakistan's atomic bomb project.

Identifies how many warheads different countries have throughout the world. Also provides information about the United States' and Russia's current arsenals. Discusses which countries have signed the non-proliferation treaties and which...

Gives the students an idea that sometimes there is not a correct answer especially when dealing with nuclear war. Students discuss possible outcomes of a nuclear exchange.

A complete description of the concept of Mutual Assured Destruction. Explains what the concept means, and how the concept was used during the Cold War and up to the George W. Bush Administration. Includes links to terms that may require...

Online exhibit from Oregon State University on radioactive materials.

Links to seven different documents regarding the hydrogen bomb and its development during the Cold War. Excellent resource.

Here you will find a video and photo gallery of the plane that dropped the first atomic bomb. This is the online version of the former exhibition of the plane.

The atomic bomb dropped on Hiroshima had lasting and far reaching effects on all mankind! Learn about a young girl, Sadako, and her paper cranes as well as the Kids Peace Movement and building of the Hiroshima Peace Memorial Museum for...

A digital archive of documents from the 1940s-1980s that relate to the nuclear weapons race in the Soviet Union. Included in archive are notes from the head of the Soviet atomic bomb project, Igor Kurchatov and documents related to...

[Free Registration/Login Required] Documents by Manhattan Project scientists expressing their concern about nuclear weapons after the bombings in Japan.

Read background information about Harry Truman and the development of the atomic bomb prior to his presidency. Includes excerpts from official documents and conversations during the Truman Administration.

A timeline with primary source documents and photos of the invention and use of the atomic bomb during World War II. Links to additional information and videos are also provided.

A comprehensive overview of the Manhattan Project, a research and development project initiated by President Roosevelt to produce nuclear weapons in World War II.

This site from Nuclearfiles.org allows you to read about Robert J. Oppenheimer's role in the Manhattan Project, as head of the Atomic Energy Commission and then his dismissal as a "security threat" to the U.S. government during the era...