{"id":106932,"date":"2020-05-11T12:43:29","date_gmt":"2020-05-11T19:43:29","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2020\/05\/electromagnetic-water-cloak-eliminates-drag-and-wake"},"modified":"2020-05-11T12:43:29","modified_gmt":"2020-05-11T19:43:29","slug":"electromagnetic-water-cloak-eliminates-drag-and-wake","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2020\/05\/electromagnetic-water-cloak-eliminates-drag-and-wake","title":{"rendered":"Electromagnetic water cloak eliminates drag and wake"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/electromagnetic-water-cloak-eliminates-drag-and-wake.jpg\"><\/a><\/p>\n<p>Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object\u2019s wake, greatly reducing its drag while simultaneously helping it avoid detection.<\/p>\n<p>The idea originated at Duke University in 2011 when researchers outlined the general concept. By matching the acceleration of the surrounding water to an <a href=\"https:\/\/phys.org\/tags\/object\/\" rel=\"tag\" class=\"\">object<\/a>\u2019s movement, it would theoretically be possible to greatly increase its propulsion efficiency while leaving the surrounding sea undisturbed. The theory was an extension of the group\u2019s pioneering work in metamaterials, where a material\u2019s structure, rather than its chemistry, creates desired properties.<\/p>\n<p>Six years later, Yaroslav Urzhumov, adjunct assistant professor of electrical and computer engineering at Duke, has updated the theory by detailing a potential approach. But rather than using a complex system of very small pumps as originally speculated, Urzhumov is turning to electromagnetic fields and the dense concentration of charged particles found in saltwater.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object\u2019s wake, greatly reducing its drag while simultaneously helping it avoid detection. The idea originated at Duke University in 2011 when researchers outlined the general concept. By matching the acceleration of the surrounding water to an object\u2019s movement, it would [\u2026]<\/p>\n","protected":false},"author":513,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,48],"tags":[],"class_list":["post-106932","post","type-post","status-publish","format-standard","hentry","category-chemistry","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/106932","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\/513"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=106932"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/106932\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=106932"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=106932"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=106932"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}