Nearly every silicon chip on Earth begins its life in a crucible of ultra-pure quartz, and almost all of that quartz comes from mines outside Spruce Pine, a North Carolina town of about 2,200 people, because almost no other deposit yet found is clean enough to m - Space Daily

Nearly every silicon chip on Earth begins its life in a crucible of ultra-pure quartz, and almost all of that quartz comes from mines outside Spruce Pine, a North Carolina town of about 2,200 people, because almost no other deposit yet found is clean enough to m Space Daily