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To receive the radioactive wastes from the chemical separations process, there were "tank farms" consisting of 64 single-shell underground waste tanks. [70] The first batch of plutonium was refined in the 221‑T plant from December 26, 1944, to February 2, 1945, and delivered to the Los Alamos Laboratory in New Mexico on February 5, 1945. [71]
Nuclear materials scientist Dr Lewis Blackburn from the University of Sheffield said the plutonium would be "converted into a ceramic material" which, while still radioactive, is solid and stable ...
Plutonium–gallium–cobalt alloy (PuCoGa 5) is an unconventional superconductor, showing superconductivity below 18.5 K, an order of magnitude higher than the highest between heavy fermion systems, and has large critical current. [46] [50] Plutonium–zirconium alloy can be used as nuclear fuel. [51]
One of four example estimates of the plutonium (Pu-239) plume from the 1957 fire at the Rocky Flats nuclear weapons plant. The Rocky Flats Plant, a former United States nuclear weapons production facility located about 15 miles (24 km) northwest of Denver, caused radioactive (primarily plutonium, americium, and uranium) contamination within and outside its boundaries. [1]
May 22—Sometime in 2018, a cache of defense plutonium was clandestinely shipped from the Savannah River Site south of Aiken to the Nevada National Security Site, an installation near Las Vegas ...
Watchdogs are raising new concerns about legacy contamination in Los Alamos, the birthplace of the atomic bomb and home to a renewed effort to manufacture key components for nuclear weapons. A ...
At discharge, total fissile component is still 0.5% (0.2% 235 U, 0.3% fissile 239 Pu, 241 Pu). Fuel is discharged not because fissile material is fully used-up, but because the neutron-absorbing fission products have built up and the fuel becomes significantly less able to sustain a nuclear reaction.
Letters to the editor on the history of plutonium, Project 2025, ageism on the Benton Commission, Trump, syphilis, drug laws and Hanford. | Opinion