Iridescence along the River 2
August 1, 2018
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This entry was posted on August 1, 2018 by Linda Grashoff. It was filed under River, Sand and Mud, Water and was tagged with biofilm, iridescence, Leptothrix discophora, nature, photography, Vermilion River.
Romancing Reality 
It looks just like an oil spillage – the same iridescence. And I guess that some people seeing this would think it is oil. But, thanks to you, I know it is something rather special. A stunning image, Linda
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August 2, 2018 at 3:25 AM
Thanks, Andy. It is the same iridescence—a manifestation of color interference. I’m not sure I’ve shared this web page before; it has an interesting discussion of color interference: https://www.olympus-lifescience.com/en/microscope-resource/primer/lightandcolor/interference/. This page does, too, though without illustrations: Color – Diffraction And Interference.
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August 2, 2018 at 1:18 PM
Thanks for the link, linda, which makes interesting reading. I’ve learnt something new!
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August 2, 2018 at 3:43 PM
Hooray!
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August 2, 2018 at 4:35 PM
Lovely composition!
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August 4, 2018 at 12:10 PM
Thanks, Lynn.
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August 4, 2018 at 1:36 PM