You might be throwing away a goldmine: scientists extract 22-karat gold from these common appliances
Researchers have found a sustainable way to recover gold from discarded electronics using a technique that you may struggle to believe.
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How to securely get rid of old electronicsPHOENIX (AZFamily) — We use a lot of electronics ... but those are precious metals that we will never get back if they go to a landfill, so we will take those in, pull those boards off, send ...
Silver is the second most-common precious metal. It's an important industrial metal used in the electrical, electronics ... Some jewelry is also made out of platinum. Given its rarity, the ...
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