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October 16, 2017 Cover

Volume 95, Issue 41

Interest from manufacturers and big chemical companies shows that 3-D printing isn’t just for hobbyists

Full Article
Volume 95 | Issue 41

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3-D printing: A tool for production

Interest from manufacturers and big chemical companies shows that 3-D printing isn’t just for hobbyists

  • Periodic graphics: The chemistry of spiderwebs

    Chemical educator and Compound Interest blogger Andy Brunning explains the chemistry that makes spider silk strong and elastic.

  • Engineered bacteria build microstructures on their own

    Microbe-built domes coated with gold nanoparticles can serve as simple pressure sensors

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Analytical Chemistry

Forgery of ancient silk leaves chemical footprint

Amino acid signature suggests artificial aging of purported Persian silks

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