The principle of steam power was known, but the ancient steam engines could only move stuff against little resistance once, while releasing all steam.It wasn't possible to build a steam engine that could build up pressure and do actual work, until metallurgy and precision machining were developed.
It's never been a real country. Actually it always belonged to Russia, and I hear it's voted to become part of it again in a free and fair referendum.Time to send some soldiers and liberate all the Plutonium Plutonians!
A functional physics engine.Thinking back to KSP, it really was kinda weird what you had to put up with.Even without doing anything fancy or big, you'd constantly lose craft to physics glitches.
My baseline is to upvote everyone who replies to me, cause it's neat that you're here, contributing to the fediverse.I only downvote trolls and bad faith actors.