Wired offers a fascinating behind-the-scenes article about the “ultra-pure, super-secret sand” we use to create iPhones.

Spruce Pine, it turns out, is the source of the purest natural quartz—a species of pristine sand—ever found on Earth. This ultra‑elite deposit of silicon dioxide particles plays a key role in manufacturing the silicon used to make computer chips. In fact, there’s an excellent chance the chip that makes your laptop or cell phone work…

Check It Out: We Shoot Lightning Into Rocks and Metal to Create iPhones

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