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History

This section provides an overview of the history of the Manhattan Project, the key organizations involved, the science behind the bomb, and more.

Nuclear Reactors

A nuclear reactor is a device that initiates, moderates, and controls the output of a nuclear chain reaction.

Nuclear Testing in Mississippi

After nine years of negotiations, the United States, the Soviet Union, and other countries signed the Limited Nuclear Test Ban Treaty (LTBT) in 1963, which prohibited “any nuclear weapon test explosion, or any other nuclear explosion” “in the atmosphere; beyond its limits, including outer space; or under water, including waters or high seas.”^{^[i]} This treaty, in part, resulted from the

Nuclear Weapon Free Zones and Denuclearization

This article discusses Nuclear Weapon Free Zones and other denuclearization agreements.

Nuclear Weapon Test Bans

This article summarizes multilateral and bilateral nuclear weapon test ban treaties.

The late Bill Wilcox by the Friendship Bell. Courtesy of the Friends of the International Friendship Bell.

Oak Ridge International Friendship Bell

Since World War II, bells have served as proponents of freedom, peace, and remembrance internationally. At the A.K. Bissell Park in Oak Ridge, Tennessee, the Oak Ridge International Friendship Bell symbolizes the strides for peace and reconciliation between Japan and the United States.