You can make ceramics harder than the hardest steel so staying sharp shouldn’t b... | Hacker News

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		erikpukinskis on June 23, 2023 \| parent \| context \| favorite \| on: Eating microwave popcorn increases the level of PF... You can make ceramics harder than the hardest steel so staying sharp shouldn’t be a problem.

carlmr on June 23, 2023 [–]

I've had ceramic salt grinders for years now. Anecdotally you're right, never thought about replacing them.

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