{"id":40424,"date":"2021-02-02T09:46:52","date_gmt":"2021-02-02T09:46:52","guid":{"rendered":"http:\/\/www.labri.fr\/perso\/barla\/blog\/?p=40424"},"modified":"2021-02-02T14:53:23","modified_gmt":"2021-02-02T14:53:23","slug":"iridescent-nature","status":"publish","type":"post","link":"https:\/\/www.labri.fr\/perso\/barla\/blog\/?p=40424","title":{"rendered":"Iridescent nature"},"content":{"rendered":"<p id=\"top\" \/>\n<p><em> &#8220;Iridescence : a functional perspective&#8221;, Doucet and Meadows<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">What is iridescence?<\/h3>\n\n\n\n<p><strong>Broad definition:<\/strong> color that changes in hue or saturation with viewing geometry.<\/p>\n\n\n\n<p>Not necessarily only due to structural colors: can be due to scattering, anisotropy, combination with absorption and scatering, etc.<\/p>\n\n\n\n<p>Not all structural colors are iridescent: correlated disorder can yield vivid colors with no directionnality; scattering can broaden scatterered directions so much that iridescence merely goes unnoticed.<\/p>\n\n\n\n<p>Iridescence may be &#8220;masked&#8221; by micro and meso-scale roughness (especially in reptiles).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(Very rough) Taxonomy<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Invertebrates<\/h4>\n\n\n\n<p><strong>Crustaceans:<\/strong> sea sapphires, comb jellies, polychaete worms.<\/p>\n\n\n\n<p><strong>Arachnids:<\/strong> jumping spiders, peacock spiders<\/p>\n\n\n\n<p><strong>Insects:<\/strong> cuckoo wasps, orchid bees, jewel beetles, morpho (and many other) butterflies, rainbow grasshopper, harlequin bugs<\/p>\n\n\n\n<p><strong>Molluscs: <\/strong>dynamic iridescent cephalopods, iridescent nacre inside gastropods &amp; bivalvia molluscs, flame scallops, tridacna (giant clams)<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Vertebrates<\/h4>\n\n\n\n<p><strong>Fishes: <\/strong>silvery iridescence, brilliant colors in reef fishes,  <\/p>\n\n\n\n<p><strong>Birds:<\/strong> wide diversity of structures, peacocks, birds of paradise, hummingbirds, etc<\/p>\n\n\n\n<p><strong>Reptiles &amp; <strong>Amphibians<\/strong>:<\/strong> structural\/absorption (blue\/yellow) in (green) amphibians\/reptiles, sunbeam snakes, rainbow boas, indigo snakes, rainbow skinks<\/p>\n\n\n\n<p><strong>Mammals:<\/strong> very few (golden moles), but iridescent eyes!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Iridescence : a functional perspective&#8221;, Doucet and Meadows What is iridescence? Broad definition: color that changes in hue or saturation with viewing geometry. Not necessarily only due to structural colors: can be due to scattering, anisotropy, combination with absorption and scatering, etc. Not all structural colors are iridescent: correlated disorder can yield vivid colors with &#8230; <a title=\"Iridescent nature\" class=\"read-more\" href=\"https:\/\/www.labri.fr\/perso\/barla\/blog\/?p=40424\" aria-label=\"Read more about Iridescent nature\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[71],"tags":[],"class_list":["post-40424","post","type-post","status-publish","format-standard","hentry","category-lists"],"_links":{"self":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=40424"}],"version-history":[{"count":4,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40424\/revisions"}],"predecessor-version":[{"id":40431,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=\/wp\/v2\/posts\/40424\/revisions\/40431"}],"wp:attachment":[{"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=40424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=40424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.labri.fr\/perso\/barla\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=40424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}