The Demon Core Killed Two Scientists Twice

Added: 2026-05-26

[00:00:00]Did you know a single metal ball killed two scientists [music] just by getting too close? During the Manhattan Project, there was a plutonium sphere called [music] the Demon Core. It sat innocently on a lab table, no bigger than a softball, but this wasn't ordinary metal. In 1945, [music] physicist Harry Daghlian was working alone late at night. He accidentally dropped a brick [music] of tungsten carbide onto the sphere. The room filled with blue light. Daghlian had triggered a nuclear reaction with his [music] bare hands. He died 25 days later, his body destroyed from the inside. Nine months later, Louis Slotin made the same mistake. [music] The same sphere claimed another victim.

[00:00:39]Both men killed by invisible death.