It was Christmas afternoon, and I was wandering in the Rainbow Harbor area of Long Beach, California. Some kind of metal pipe device (perhaps a hydrant meant to be used by firefighters) suddenly caught my eye. I surmise that the blue corrosion is a result of constant exposure to salt air. It was a fun device to explore with my macro lens. (Olympus E-5 & Zuiko 50mm macro, f/8, 1/100 sec., ISO 640, open shade)
Featured in Art in Math (16 February 2012)
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