Chemistry

"Silver" and "gold" coating a 5 cent coin

By jeltsch on Tue, 03/07/2017 - 23:34

Last Friday, I coated with my kids 5 cent (copper) coins. They look pretty nice even though its only zinc and brass.

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By jeltsch on Mon, 10/12/2015 - 21:57

Three of this year's nobel prizes were given for topics we work on:

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