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[–] G45Colt 0 points 1 point (+1|-0) ago 

They did not even come close to turning copper into gold. They created an alloy on the surface of the copper that they claim has characteristics similar to gold. I'm not familiar with gold as a catalyst, so that is a very strange claim to me. It is often used for the very reason that it doesn't react or corrode like other metals. There have been other alloys used in the electronics industry for many years to replace gold.