{"id":172475,"date":"2023-09-20T23:25:52","date_gmt":"2023-09-21T04:25:52","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2023\/09\/researchers-make-sand-that-flows-uphill"},"modified":"2023-09-20T23:25:52","modified_gmt":"2023-09-21T04:25:52","slug":"researchers-make-sand-that-flows-uphill","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2023\/09\/researchers-make-sand-that-flows-uphill","title":{"rendered":"Researchers make sand that flows uphill"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/IpINh2iRZJg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Engineering researchers at Lehigh University have discovered that sand can actually flow uphill.<\/p>\n<p>The <a href=\"https:\/\/www.nature.com\/articles\/s41467-023-41327-1\">team\u2019s findings<\/a> were published today in the journal <i>Nature Communications<\/i>. A corresponding video shows what happens when torque and an <a href=\"https:\/\/phys.org\/tags\/attractive+force\/\" rel=\"tag\" class=\"\">attractive force<\/a> is applied to each grain\u2014the grains flow uphill, up walls, and up and down stairs.<\/p>\n<p>\u201cAfter using equations that describe the flow of granular materials,\u201d says James Gilchrist, the Ruth H. and Sam Madrid Professor of Chemical and Biomolecular Engineering in Lehigh\u2019s P.C. Rossin College of Engineering and Applied Science and one of the authors of the paper, \u201cwe were able to conclusively show that these particles were indeed moving like a <a href=\"https:\/\/phys.org\/tags\/granular+material\/\" rel=\"tag\" class=\"\">granular material<\/a>, except they were flowing uphill.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Engineering researchers at Lehigh University have discovered that sand can actually flow uphill. The team\u2019s findings were published today in the journal Nature Communications. A corresponding video shows what happens when torque and an attractive force is applied to each grain\u2014the grains flow uphill, up walls, and up and down stairs. \u201cAfter using equations that [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,38,41,48],"tags":[],"class_list":["post-172475","post","type-post","status-publish","format-standard","hentry","category-chemistry","category-engineering","category-information-science","category-particle-physics"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/172475","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=172475"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/172475\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=172475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=172475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=172475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}