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The ultra-pure, super-secret sand that makes your phone possible

The processor that makes your laptop or cell phone work was fabricated using quartz from this obscure Appalachian backwater. BY VINCE BEISER https://www.wired.com/story/book-excerpt-science-of-ultra-pure-silicon/ FRESH FROM CHURCH on a cool, overcast Sunday morning in Spruce Pine, North Carolina, Alex Glover slides onto the plastic bench of a McDonald’s booth. He rummages through his knapsack, then pulls[…]