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Heavily-reinforced concrete and/or underground. The more rebar, the better.

Jumping in a pool won't help much if you're in the big part of a pressure wave, I'd guess, since the water would probably all be removed.

Anywhere near a 20 psi overpressure thermonuclear blast near the target is going to be rough. Survivors will likely be on the outskirts of wherever it hits, being honest.

The amount more powerful a modern big fusion bomb is than what we dropped on Japan in 1945 boggles the mind. It's almost impossible to conceive of how bad they are.

Like, if a huge one was dropped on San Fran, about a million people would be dead immediately, plus some unknown potentially large number more due to fallout.

Simulated map here:

https://nuclearsecrecy.com/nukemap/?&kt=2300&lat=37.7564509&...



Yeah new bombs are crazy. No loss of cool if you're not--you're a nuke physicist, that's cool enough--but are you The Nukemap guy? Wow! That site is great, but scary.


No I'm not Alex wellerstein the nuclear history professor. He has like 44k followers on Twitter and a blue tick. I only have like 10k and no blue tick ;'(




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