As soon as the video went viral, a rush to buy old SIM cards began on second-hand platforms.

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.

Scrap metal refiner who has been dubbed the ‘alchemist’ says he is simply showing off his skills, warns amateurs not to attempt process.

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 ...