A man in southern China has drawn attention after demonstrating how he extracted 191.73 grams of gold worth over 210,000 yuan (US$30,222) from discarded SIM cards and other electronic waste.
Do you know that your old phones, laptops contain gold? Yes, gold is used in the internal components of a phone, including the CPU, where it's used in bonding wires and plating for contacts. In a ...
Mining PCBs wouldn't be my cup of tea. But depending on whose assay numbers you believe, there's something like a quadrillion dollars worth of gold dissolved in the world's oceans (at parts per ...
(Nanowerk Spotlight) Electronic waste poses one of the fastest growing waste challenges worldwide, with over 50 million tons generated annually. Yet hidden in obsolete devices lies substantial amounts ...