{"id":669693,"date":"2020-10-13T06:59:43","date_gmt":"2020-10-13T10:59:43","guid":{"rendered":"http:\/\/spaceweekly.com\/?p=669693"},"modified":"2020-10-13T06:59:43","modified_gmt":"2020-10-13T10:59:43","slug":"sapphires-show-their-true-colors-not-water-loving","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=669693","title":{"rendered":"Sapphires show their true colors: Not water-loving"},"content":{"rendered":"<p>In 1805, Thomas Young studied the mechanical equilibrium at the solid\/liquid\/gas three-phase contact line (the balance of forces acting on the contact line formed by the intersection of the liquid-gas interface and the solid surface), and introduced the macroscopic concept of &#8220;contact angle&#8221; and Young&#8217;s equation. Based on the assumptions of an isotropic, homogeneous and smooth surface, Young&#8217;s equation gives the relationship between the intrinsic contact angle of the solid surface and the interfacial free energy at the solid\/liquid\/gas three-phase contact line.&#013;<br \/>\n&#013;<br \/>\n&#013;<br \/>\n Click here for original story, <a href=\"https:\/\/phys.org\/news\/2020-10-sapphires-true-water-loving.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Sapphires show their true colors: Not water-loving<\/a>&#013;<br \/>\n&#013;<br \/>\n&#013;<br \/>\nSource: Phys.org&#013;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In 1805, Thomas Young studied the mechanical equilibrium at the solid\/liquid\/gas three-phase contact line (the balance of forces acting on the contact line formed by the intersection of the liquid-gas&hellip; <\/p>\n","protected":false},"author":1,"featured_media":615444,"comment_status":"false","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-669693","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-phys-org"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/669693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=669693"}],"version-history":[{"count":0,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/669693\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=669693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=669693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=669693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}