It’s called hard sci-fi because it’s not as easy
I thought it’d be fun if I made aliens that respirate CO² into O² like plants but I started thinking about how I’m not actually sure how exactly those chemical processes work and now I’m on the wikipedia page for nicotinamide adenine dinucleotide phosphate
I feel like the media literacy ogre for biochemistry
It's called hard sci-fi because it's not as easy