Sentences with phrase «produce iridescence»
Nanostructures that iridesce may often just be a way birds or butterflies can create an unusual color rather than a way to produce iridescence for its own sake.
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Floral iridescence, produced by diffractive optics, acts as a cue for animal pollinators.
Real flowers, however, grow imperfect sets of ridges (middle, yellow cross section) that mostly produce a smear of bluish - ultraviolet reflections that could be more useful than perfect iridescence.