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Re:Colour-changing magnifying glass gives clear view of infr... by ChrisMarshallNY on Wednesday December 08, 2021 @08:46AM (#29484609)
Gold is an awesome conductor, and, more importantly, it is nearly impervious to corrosion.

That’s why it’s used in circuit board solder points and various types of plugs.

I think that platinum may be slightly better, but it is even more expensive.

Gold electroplating is not for the faint of heart. They use cyanide as a catalyst. At one of the companies I worked for, they had 50-gallon drums of cyanide, down in the electroplating lab.

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