Living the Scientific Life (Scientist, Interrupted)

Callanais Stone Circle, 4

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Detail of one of the Callanish stones. The stones are Lewisian gneiss, formed approximately 2.5 billion years ago.

Image: Dave Rintoul, Summer 2008 [larger view].


  1. #1 kevin
    September 29, 2008

    This is a pretty good example of lack of scale. Is this taken from space? Or with a microscope?

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