> Yes, we have been since 1945, when the first persistent existential threat we created ourselves first arose... Nuclear Weapons. That makes me wonder at what

> Yes, we have been since 1945, when the first persistent existential threat we created ourselves first arose... Nuclear Weapons. That makes me wonder at what point the world's nuclear arsenal became big enough to be an existential threat. For reference, there were apparently ~300 atomic bombs in the world in 1950: https://en.wikipedia.org/wiki/Historical_nuclear_weapons_stockpiles_and_nuclear_tests_by_country https://en.wikipedia.org/wiki/Historical_nuclear_weapons_sto...