2023.12.31

Inside the Pit Factory

For the first time in decades the U.S. is ramping up production of plutonium cores for nuclear weapons

A mockup of a plutonium pit is shown at Los Alamos National Laboratory in the 1940s, where Manhattan Project scientists were developing the first nuclear weapons. (Los Alamos National Laboratory)  

A mockup of a plutonium pit is shown at Los Alamos National Laboratory in the 1940s, where Manhattan Project scientists were developing the first nuclear weapons. (Los Alamos National Laboratory)  

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