The first nuclear bombs couldn't end life on Earth either, but it wasn't long before they could, and the scientists working on them saw the trajectory as clear as day when the rest of the world didn't.
The first nuclear bombs couldn't end life on Earth either, but it wasn't long before they could, and the scientists working on them saw the trajectory as clear as day when the rest of the world didn't.
> but it wasn't long before they could
The total amount of nuclear weapons ever built is laughably inadequate for the task of ending life on earth. They would not end human life either, and even ending human civilization (as in, agriculture and organized society) is off by many orders of magnitude.
Nuclear war would be horrible, but the actual impact got massively overinflated, largely because of good reasons.
https://blog.nuclearsecrecy.com/2012/09/12/in-search-of-a-bi...
Hence scientists extrapolated nukes really could end life on Earth, and in a slightly different reality than ours, they may have.
https://www.navalgazing.net/Nuclear-Weapon-Destructiveness
> To put this another way, each bomb can destroy an area of 34.2 square miles, and the maximum total area destroyed by our nuclear apocalypse is about 137,000 square miles, approximately the size of Montana, Bangladesh or Greece.
(I think that should be Bangladesh and Greece; Montana is larger than the two of them combined.)