Interesting Engineering on MSN
Chinese scientists recover 98% of gold from old phones in 20 minutes at low cost
Chinese researchers have discovered a fast, low-cost and environmentally cleaner method for extracting gold ...
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 takes to make a cup of coffee, and at a fraction of current costs. The new ...
In the Philippines, as in many places across the globe, mercury has long been central to how small-scale gold miners earn their living. Used as an easy way to separate gold from other minerals they ...
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