Interesting Engineering on MSN

Chinese scientists recover 98% of gold from old phones in 20 minutes at low cost

Chinese scientists have developed a rapid e-waste mining method that extracts gold in under 20 minutes at around one-third of ...
New Atlas

Trashed circuit boards prove a literal gold mine for The Royal Mint

Using a proprietary chemical process pioneered by Canadian firm Excir, England's The Royal Mint has begun mining old circuit boards from electronic devices for gold and converting what's harvested ...