New method can extract precious metals from old mobile phones, computers and home appliances in less than 20 minutes.
After the discovery of a 17-pound nugget in Little Meadow Creek, North Carolina, the state became a major hotbed of gold mining as a part of the first American gold rush in 1799. Early discoveries ...
The wildcat gold mining boom that swept across the Amazon beginning in the 1970s left behind an environmental catastrophe of ...
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 ...
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 ...
The largely hidden gold rush in Badakhshan poses considerable risks to Afghans, and others living downstream in Central Asia.
Economic pressures drive artisanal mining, impacting corporate operations Rising gold prices fuel conflicts between industrial and informal miners Miners are pressing governments for military support ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results