Mesmerizing videos offer a new look at the ways crystals form. The real-time clips, described March 30 in Nature Nanotechnology, show closeup views of microscopic gold particles tumbling, sliding and ...
Gold has always been a hot commodity. But these days, finding a nugget isn’t too tricky: Much of the world’s gold is mined from natural veins of quartz, a glassy mineral that streaks through large ...
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