Linda Grashoff's Photography Adventures

Evidence of Iron Bacteria in October 2016—2

November 12, 2016

Sometimes a shadow reveals a less-visible Leptothrix discophora film. Someone explained to me why this happens, but I’m afraid I didn’t quite get it. Perhaps one of you knows and can explain it again?

10192016-schoepfle-garden-137

This entry was posted on November 12, 2016 by . It was filed under River and was tagged with , , , , , , , .

5 responses

  1. bluebrightly

    🙂 I fear that even the explanation would be hard for me to follow! But I wonder if it has anything to do with the quality of light in shadow being more blue, and light in sunlight being more yellow.

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    November 13, 2016 at 12:39 PM

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    • Linda Grashoff

      Hm. Don’t know, but I don’t think so. Wonder where I put that other explanation . . .

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      November 13, 2016 at 12:51 PM

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  2. LensScaper

    The colour is there but it takes a shadow to reveal it.

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    November 16, 2016 at 3:18 AM

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    • Linda Grashoff

      Right, Andy. Why is that?

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      November 16, 2016 at 7:10 AM

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      • LensScaper

        I have no idea unfortunately unless it could be something to do with whether light is polarized or not

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        November 16, 2016 at 5:20 PM

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