If you open almost any modern gadget you'll almost definitely strike a tiny bit of gold. Thanks to the precious metal's high conductivity and resistance to corrosion it's used on printed circuit board ...
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 ...
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 ...
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