{"id":215910,"date":"2025-06-14T05:19:32","date_gmt":"2025-06-14T10:19:32","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/06\/3d-printed-device-splits-white-noise-into-an-acoustic-rainbow-without-electricity"},"modified":"2025-06-14T05:19:32","modified_gmt":"2025-06-14T10:19:32","slug":"3d-printed-device-splits-white-noise-into-an-acoustic-rainbow-without-electricity","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/06\/3d-printed-device-splits-white-noise-into-an-acoustic-rainbow-without-electricity","title":{"rendered":"3D-printed device splits white noise into an acoustic rainbow without electricity"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/3d-printed-device-splits-white-noise-into-an-acoustic-rainbow-without-electricity2.jpg\"><\/a><\/p>\n<p>In a <a href=\"https:\/\/www.science.org\/doi\/10.1126\/sciadv.ads7497\" target=\"_blank\">study<\/a> published in <i>Science Advances<\/i>, researchers from Technical University of Denmark and Universidad Polit\u00e9cnica de Madrid demonstrate a new device called an acoustic rainbow emitter (ARE) that takes in broadband white-noise signals from a point source that radiates sound equally in all directions and scatters it up so that different sound frequencies or pitches are emitted.<\/p>\n<p>Similar to how a prism splits <a href=\"https:\/\/phys.org\/tags\/white+light\/\" rel=\"tag\" class=\"\">white light<\/a> into a <a href=\"https:\/\/phys.org\/tags\/rainbow\/\" rel=\"tag\" class=\"\">rainbow<\/a>, the ARE device steers each <a href=\"https:\/\/phys.org\/tags\/frequency\/\" rel=\"tag\" class=\"\">frequency<\/a> in different directions, creating an acoustic rainbow.<\/p>\n<p>In nature, some animals\u2014like humans, bats, and dolphins\u2014have evolved intricate ears (pinnae) that can catch, shape and direct sound in amazing ways, helping them sense and navigate their surroundings.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a study published in Science Advances, researchers from Technical University of Denmark and Universidad Polit\u00e9cnica de Madrid demonstrate a new device called an acoustic rainbow emitter (ARE) that takes in broadband white-noise signals from a point source that radiates sound equally in all directions and scatters it up so that different sound frequencies or [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-215910","post","type-post","status-publish","format-standard","hentry","category-futurism"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/215910","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=215910"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/215910\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=215910"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=215910"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=215910"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}