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6.2 Kg of Plutonium, Two Beryllium Shells and a DIY Tool: in Los Alamos, a Physicist Handled the Critical Mass by Hand

Summary by SciencePost
A screwdriver that slides one centimeter. A blue flash. And nine days later, a man dies irradiated in atrocious suffering. Louis Slotin's story has nothing to do with an urban legend: it is the exact story of how nuclear physics has approached, then crossed, a deadly limit in the heart of the Los [...]
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A screwdriver that slides one centimeter. A blue flash. And nine days later, a man dies irradiated in atrocious suffering. Louis Slotin's story has nothing to do with an urban legend: it is the exact story of how nuclear physics has approached, then crossed, a deadly limit in the heart of the Los [...]

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SciencePost broke the news on Thursday, November 5, 2026.
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