The demon core, known as "Rufus" before the incidents, was a spherical 6.2-kilogram subcritical mass of plutonium 3.5 inches (89 millimeters) in diameter that was used in experiments at Los Alamos ...

"I can not let you escape, Squidward. I'm adding another demon core to your confinement until you calm down." This short but simple one-liner viral meme's made for a few laughs recently. There's ...

Demon Core ' is a research-use plutonium lump that was converted from a nuclear weapon that was planned to be dropped on Japan, and is known for dangerous criticality experiments that are performed ...

The Demon Core was the nickname given to a 6.2-kilogram (14 lb) subcritical mass of plutonium that accidentally went critical on two separate instances at t… ...