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0 pointsDanBC10y ago0 comments

Gold's not a great conductor. It's used because unlike copper or silver it doesn't tarnish.

And because it's shiny so it looks good in adverts.

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1 comments · 1 top-level

This. Also, you can durably plate other metals with gold only tens-to-hundreds of atoms thick, so actual mass usage is kept very very small for these applications.

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