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UN☢️ The Demon Core: When Curiosity Turned Fatal ☢️
The Demon Core was a small plutonium sphere designed for atomic bombs. It came dangerously close to reaching critical mass, triggering a self-sustaining nuclear chain reaction. Plutonium releases neutrons when atoms split; if too many neutrons bounce back, the reaction escalates rapidly.
In 1945, Harry Daghlian dropped a neutron-reflecting brick near the core, causing a fatal radiation burst. He died weeks later. In 1946, Louis Slotin used a screwdriver to separate metal halves, but it slipped, fully enclosing the core. A massive radiation flash followed, killing him in 9 days. These accidents proved how easily a deadly chain reaction could start—without an explosion.
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