"Hardness" in science fiction is scarcely an academical subject of literature. I personally like Mohs Scale of Science Fiction Hardness [0] but not beyond a tho

"Hardness" in science fiction is scarcely an academical subject of literature. I personally like Mohs Scale of Science Fiction Hardness [0] but not beyond a thought excercise. If you can, find me a published author stating "I wrote this story strictly in terms of a level 5 in the Mohs scale"; there will be none (unless they're targeting reddit as a reader base). [0] https://tvtropes.org/pmwiki/pmwiki.php/SlidingScale/MohsScaleOfScienceFictionHardness https://tvtropes.org/pmwiki/pmwiki.php/SlidingScale/MohsScal...