The Demon Core killed two of them-and is now the subject of many killer memes. Alex Wellerstein collects the best of them and muses on the weird dark humor at hand. [via discussion at Hacker News ] ...

The so-called Demon Core was a cursed object, a 6.2 kilogram mass of plutonium intended to be installed in a nuclear weapon. Instead, slapdash experimental techniques saw it feature in several ...

"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.

Following the end of World War 2 and the devastating impacts of the Hiroshima and Nagasaki nuclear bombings, the Cold War was looming. The immense destruction and power promised by atomic bombs ...

Experiments on a so-called "demon core" of plutonium caused the deaths of two Manhattan Project physicists. Both scientists died after their hands slipped, causing the core to release deadly ...

Unlike the first two cores, however, the third one — one that would later earn the nickname “the demon core” — had a ring around the flat surfaces to contain nuclear flux during implosion.

Except they weren't. The demon core of plutonium claimed numerous lives at Los Alamos due to sloppy science. Share on Facebook (opens in a new window) Share on X (opens in a new window ...

The plutonium orb, which had been playfully named Rufus before the incident, became known instead as the demon core. The Winnipeg Tribune story on Slotin's funeral says it was one of the largest ...