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

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

While the demonstration boosted demand for used SIM cards and gold-refining kits online, Qiao warned that the process is ...

Qiao has said that his video was not meant to showcase “alchemy” but was simply sharing his work.

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.

There's treasure in trash — literally. Discarded computers, circuit boards, and other electronic waste contain valuable metals like gold. Now, breakthrough research could make extracting gold easier ...

While you won't get rich off your old electronics, cleaner methods for extracting materials like gold is a win for the environment. In 2025, it’s not uncommon for a typical household to have a drawer ...

An interdisciplinary team of experts in green chemistry, engineering and physics at Flinders University in Australia has developed a safer and more sustainable approach to extract and recover gold ...

Refractory gold ores present significant challenges to conventional extraction methods. In these ores, gold is tightly encapsulated within sulphide minerals or locked by carbonaceous matter, thereby ...