Uncategorized

  1. Math

    Folding Perfect Thirds

    Origami provides a hands-on way to explore mathematical concepts. For more math, visit the MathTrek blog.

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  2. Humans

    From the June 13, 1936, issue

    A giant spectrographic camera and an electric fencing judge.

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  3. Tech

    How Products are Made

    What does it take to manufacture an accordion or a zipper? Organized alphabetically by product name, this intriguing Web site provides details on how a wide variety of everyday and basic products are made. Go to: http://www.madehow.com/

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  4. Materials Science

    Greenhouse Glass: Squeezing and heating carbon dioxide yields exotic, see-through solid

    Researchers have forged solid glass from carbon dioxide.