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 ...

That was the end of a 14-pound metallic sphere that had killed two scientists not 11 months before. This is the true story of the Demon Core.