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arachnoid

A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia.
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    00: Adventures in Ray Tracing: 07: Changes to the Interior of Objects

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    arachnoid

    A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia.
    via @tdro arachnoid arachnoid.com view
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    00: Adventures in Ray Tracing: 13: Virtual Telescope II: Cassegrain

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    Monks Mound at the Cahokia Mounds UNESCO World Heritage Site near Collinsville, Illinois (© Matthew Gush/Alamy)

    Monks Mound at the Cahokia Mounds UNESCO World Heritage Site near Collinsville,
    Monks Mound at the Cahokia Mounds UNESCO World Heritage Site near Collinsville,
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    Bing Images

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    Cranberry bog (© SHSPhotography/Getty Images)

    Cranberry bog (© SHSPhotography/Getty Images)
    Cranberry bog (© SHSPhotography/Getty Images)
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