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The 15 Best Hard Sci-Fi Movies That Define the Genre
(movieweb.com)
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December book club canceled. Short stories instead!
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Lol the Mohs scale is a hardness scale for gemstones/minerals sorry to disappoint. Goes from 1 to 10, 10 being diamond 1 being talc.
I honestly feel bad taking it away, I want an awesome scientific scale rating how hard scifi is.