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January 9, 2012 Cover

Volume 90, Issue 2

Full Article
Volume 90 | Issue 2

All Issues

  • How 3M Stays Tech Savvy

    Firm uses an internal technology network to drive innovation and keep up with the pace of change

  • Law Completes 2012 Federal R&D Funding

    Science-related programs at DOE, NIH, EPA get appropriations for fiscal year ending on Sept. 30

  • Company Of The Year

    Standing tall after a disaster makes Shin-Etsu the top choice for 2011

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Materials

How Nanotubes Get Color

Tiny tubes’ coloration mechanism, different from other colorful materials such as gold nanoparticles, belies their metallic nature

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