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 ...
Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...
According to research released yesterday, small-scale gold mining has led to the destruction of more than 170,000 acres of primary rainforest in the Peruvian Amazon over the past five years.
Quantitative models show that New Kingdom expeditions in Nubia achieved significant profits, with alluvial mining in streams and the Nile as the most productive sources, challenging previous theories.
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