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During the Cold War, the US produced hundreds of plutonium pits each year at the Rocky Flats Plant in Colorado. However, ...

The component, called a “plutonium pit,” is the radioactive component that acts as a first stage ‘trigger’ apparatus used to initiate the detonation of the thermonuclear device.

The component, called a “plutonium pit,” is the radioactive component that acts as a first stage ‘trigger’ apparatus used to initiate the detonation of the thermonuclear device. Plans call for the W87 ...

Plutonium-rich samples from Acid Canyon, Los Alamos. Credit: Michael Ketterer. A new study has revealed alarming levels of plutonium contamination near Los Alamos, New Mexico, the site where the ...

An image from Sentinel test conducted by Northrop Grumman in February. The US Department of Energy’s National Nuclear Security Administration (NNSA) has recently confirmed the successful ...

IN a recent article 1 a modification to the normally accepted close-packed face-centred cubic structure of δ-plutonium was suggested. The purpose of this was to give a continuous gradation ...

An undated photo capturing the Plutonium Facility at Los Alamos National Laboratory, with the Rio Grande valley and the Sangre de Cristo mountains in the background. (Photo courtesy of Los Alamos ...

Fields, P. R., Gindler, J. E., Harkness, A. L., Studier, M. H., Huizenga, J. R., and Friedman, A. M., Phys. Rev., 100, 172 (1955).

Two conflicting developments arose this month in US efforts to produce new plutonium pits for its nuclear weapons: The National Nuclear Security Administration (NNSA) announced it had produced a ...