Case Researchers Invent Self-Healing Material

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File this under both, "Coolest thing you'll see all day," and, "Gee, we feel super dumb by comparison."

Engineers at Case Western have invented a self-healing polymer that fixes itself if you shine UV rays on it. So that scratch on your car? Yeah, it would fix itself. Seriously.

Stuart Rowan, a professor of engineering, explains: "Just as a quick experiment, we took out a razor blade and deliberately scratched the material and then put it under a UV light. Within 30 seconds, the scratch had disappeared. That was the eureka moment." (Via Yahoo!)

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