Preparation and physicochemical characteristics of the aminated polyacrylonitrile fibers (PANFs). Representative illustrations of PANF (a) before and after coupling reaction of various alkylamine ...

A new method for recovering high-purity gold from discarded electronics is paying back US$50 for every dollar spent, according to researchers – who found the key gold-filtering substance in ...

A Chinese man has extracted 191 grams of gold from old SIM cards, worth Rs 26 lakh, revealing a risky yet fascinating method ...

A viral video by Qiao, a professional refiner in Guangdong, China, shows him extracting 191g of gold worth ₹28 lakhs from two ...

Khaberni - A video showing a Chinese man demonstrating the process of extracting gold from SIM cards has swept through social ...

Add Yahoo as a preferred source to see more of our stories on Google. A novel method developed by a Cornell-led research team offers a dual solution to two pressing environmental problems: e-waste ...

ETH Zurich researchers have developed a sustainable method to recover gold from electronic waste. The method uses a sponge made from denatured whey proteins that selectively adsorb gold ions. The ...

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.

Tackling the issues: Electronic waste is a growing problem. Each year, consumers produce millions of tons of used and broken electronics. Only a portion of the metals they contain are recycled because ...

In context: The Royal Mint, which has been producing British coins since the Middle Ages, is now adapting to a world where physical money is becoming less essential. In an effort to reinvent itself, ...