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0:10
YouTube
Insider Entirety
☢️ The Demon Core: The Deadliest Plutonium Sphere in History | Critical Mass Explained #science #new
The Demon Core was a 6.2 kg plutonium-gallium sphere built during the Manhattan Project, originally meant for a Fat Man-type atomic bomb. Plutonium-239 triggers fission when its atoms absorb neutrons. If neutrons bounce back into the core instead of escaping, the core reaches critical mass, creating a rapid, self-sustaining chain reaction. To ...
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