Fair enough! My compliments on your character's backstory - that sounds fun!
Also, I would think that a second big bang would be morally neutral on a universal scale, but that's not much comfort for the people currently existing...
You may know about the Bessemer process, but how would your character discover this process? Unless your character is an accomplished blacksmith or engineer, I'd call metagaming.
... I know that's a bit of a buzzkill, but that's where my mind goes.
Episode 10 of the podcast Let's Learn Everything! starts with a discussion of this incident and the ways that epidemiologists have studied it to draw real-world parallels.
It's a great comedy/science podcast; I strongly recommended it.
I like the boldness of the new colors, but they're also very reminiscent of the French tricolor. I kind of prefer the first flag for its distinctness, even if I prefer the colors of the new flag.
It's about 3 Hiroshima Bombs long