How did the atomic age start? It's a very good question and this digital exhibit from the Oregon State Universities Libraries Special Collection offers some wonderful archival material that tells part of this story. The materials here are divided into 17 different sections, including The Manhattan Project, Civil Defense, and Nuclear Engineering. Each of these sections includes various ephemera...

This latest electronic briefing book from the National Security Archive at George Washington University brings together some fascinating documents related to the 1963 accord outlawing nuclear testing in the atmosphere, under water, and in space. This treaty was called the Limited Test Ban Treaty (LTBT) and for decades many wondered if the nations that signed onto this document might have violated...

The National Security Archive is always working on new electronic briefing books, and this recent release will fascinate anyone with an interest in international diplomacy, international relations, or the United States government. This particular briefing book was released in December 2011 and offers a look at the reaction of President Richard Nixon's administration to the testing of nuclear...