Chinese scientists turn copper into ‘gold’

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jimdoc said:
https://www.scmp.com/news/china/science/article/2179209/chinese-scientists-turn-copper-gold


It’s interesting, but effectively they’re just ablating copper with an argon plasma jet. They do say that it’s still copper though, so they’re not claiming to have transmuted anything. It sounds like they just increased its properties as a catalyst by turning it into copper nanoparticles which vastly increased it’s surface area? So it really could not replace gold for any other uses.
 
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