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ULA employee "critiques" Starship architecture
(sh.itjust.works)
A Lemmy analogue to r/SpaceXMasterRace.
Related communities for serious posts and discussion.
If you made a Factorio mod, I might learn metallurgy.....
Metallurgy is pretty neat stuff I think.
Xander mod is the one that comes closest to the way OP described metallurgy.