May 5, 1943 - The Military Policy Committee of the Manhattan Project develops the idea to use the atomic bomb on Japan rather than on Germany.
May 6, 2004 - The US Government Accountability Offices releases a report accusing the US Department of Energy of moving too slowly to upgrade security at the nation's nuclear weapons sites.
May 9, 1951 - U.S. nuclear test shot "George" confirmes for the first time that a fission device can produce the conditions needed to ignite a thermonuclear reaction.
May 10, 1994 - German officials seize 0.19 ounces of nearly pure weapons-grade plutonium-239 in the Stuttgart garage of a German businessman.
May 13, 1998 - India conducts two more nuclear tests despite worldwide protests.
May 15, 1957 - The United Kingdom tests its first thermonuclear weapon at the Christmas Islands in the Pacific.
Explore the Nuclear Files Educator’s section. Resources for the classroom and beyond.
This project is part of the National Science Digital Library
funded by the Division of Undergraduate Education. National Science Foundation Grant #0085657
