Image courtesy of US Department of Energy
The United States has a plutonium problem. This heavy metal, rarely found in nature but produced by nuclear reactors, is a primary ingredient of nuclear weaponry. A modern thermonuclear weapon, containing just a few kilograms of this material, could level much of a metropolitan area. During the Cold War, the United States and the Soviet Union produced enough plutonium to make tens of thousands of nuclear weapons (IPFM 2015). Both the United States and Russia, which inherited the Soviet nuclear weapons enterprise, have since declared large portions of their stockpiles to be excess: unnecessary for purposes of national defense. But after decades of effort and billions of dollars spent trying to dispose of this material, their weapons plutonium stockpiles remain undiminished (von Hippel and Takubo 2020).
This article was written by Cameron Tracy and originally published by The Bulletin Of The Atomic Scientists.
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