1. Foucault Pendulum on Flickr.

    This is the world largest Foucault Pendulum housed in the Oregon Convention Center in Portland Oregon.

     

  2. Sky High on Flickr.

    Sky High

     

  3. Splendid on Flickr.

    Splendid

     

  4. Whiz on Flickr.

    Whiz in Portland

     

  5. e·las·tic on Flickr.

    elastic arch

     

  6. Anamorphosis on Flickr.

    Anamorphosis

     

  7. Point Symmetry on Flickr.

    Point Symmetry

     

  8. untitled on Flickr.

     

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  10. Unsung Hero on Flickr.