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 ...

At US$1,455 per ounce, China’s e-waste gold recovery is world’s most efficient

New method can extract precious metals from old mobile phones, computers and home appliances in less than 20 minutes.