FUN: Inside the Box

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Science  20 May 2005:
Vol. 308, Issue 5725, pp. 1093
DOI: 10.1126/science.308.5725.1093e

If you're wondering what goes on in a CD burner or how the drug Botox erases wrinkles, check out How Stuff Works. The commercial site is packed with ads, but beyond them you'll find hundreds of brief articles on autos, electronics, health, and science (mostly written by nonscientists). Brush up on how fuel cells work, read about the chemicals inside fireworks, or get a quick overview of diabetes. Unlike CDs you buy, which have tiny bumps indicating 0s and 1s, a home CD burner encodes data by relying on a layer of material that turns dark when a laser passes over it.

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