https://www.sciencealert.com/this-is-how-ordinary-water-can-produce-dazzling-iridescent-colours
Have you ever seen fine water condensation on a transparent surface shimmer like a rainbow? Scientists have now figured out exactly how it happens - and have...
optical effectplain watercrazyturnsdazzling
https://www.metmuseum.org/art/collection/search/351454
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