Interesting Engineering on MSN
Chinese scientists recover 98% of gold from old phones in 20 minutes at low cost
The novel technique, that can extract gold from discarded electronics in under 20 minutes at room temperature was developed ...
Morning Overview on MSN
China recovers 98% of gold from old phones in 20 minutes, cheaply
Chinese researchers say they can now strip almost all the gold out of discarded phones and circuit boards in the time it ...
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