I think he's talking about this incident https://en.wikipedia.org/wiki/David_Hahn https://en.wikipedia.org/wiki/David_Hahn Backyard nuclear devices don't end t

I think he's talking about this incident https://en.wikipedia.org/wiki/David_Hahn https://en.wikipedia.org/wiki/David_Hahn Backyard nuclear devices don't end the world, but can still cause a lot of harm. Superdiseases made in a garage might one day have civilization-crippling consequences.