Gold is valued because it doesn't tarnish. Bismuth, on the other hand, becomes b... | Hacker News

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logfromblammo on March 18, 2020 | parent | context | favorite | on: The Longest Record Broken: Gold/Silver Ratio Hits ...

Gold is valued because it doesn't tarnish. Bismuth, on the other hand, becomes beautiful only with a patina of oxide.

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