Researchers in Switzerland have developed an innovative method to extract pure gold from electronic waste using whey, a byproduct of cheese production. This eco-friendly process utilizes protein ...
These days, there is an assumption worldwide that gold should be purchased for future investment. All the big investors would suggest buying gold as the best way to invest the money. Scientists at ETH ...
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. The man, ...
The life of a discarded smartphone does not end when its owner gets a shiny new replacement. Many people cast the old model aside, sending the bundle of metal, battery acid, and plastic to a landfill, ...