{"id":5633,"date":"2011-11-16T17:00:05","date_gmt":"2011-11-16T17:00:05","guid":{"rendered":"http:\/\/www.driko.org\/blog\/2011\/11\/16\/viking-sunstone-guided-ships-in-cloudy-weather\/"},"modified":"2011-11-16T17:00:05","modified_gmt":"2011-11-16T17:00:05","slug":"viking-sunstone-guided-ships-in-cloudy-weather","status":"publish","type":"post","link":"http:\/\/www.driko.org\/blog\/2011\/11\/16\/viking-sunstone-guided-ships-in-cloudy-weather\/","title":{"rendered":"Viking Sunstone Guided Ships in Cloudy Weather?"},"content":{"rendered":"<p><a href='http:\/\/www.wired.com\/wiredscience\/2011\/11\/viking-polarized-navigation'>Viking Sunstone Guided Ships in Cloudy Weather?<\/a><\/p>\n<div class=\"link_description\">\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.wired.com\/images_blogs\/wiredscience\/2011\/11\/viking-sunstone-polarized-light-guy-ropars.jpg\" height=\"357\" align=\"top\" width=\"480\" \/><\/p>\n<p>No such artifacts have been recovered from Viking shipwrecks (yet?), but the concept is pretty cool:<\/p>\n<blockquote>\n<p>To avoid getting lost on their voyages across the North Atlantic  1,000  years ago, Vikings relied on the sun to determine their heading.  (This  was long before magnetic compasses had been invented.) But cloudy  days  could have sent their ships dangerously off course, especially  during  the all-day summer sun at those far-north latitudes. The Norse  sagas  mention a mysterious \u201csunstone\u201d used for navigation. Now a team of   scientists claims that the sunstones could have been calcite crystals   and that Vikings could have used them to get highly accurate compass   readings even when the sun was hidden.<\/p>\n<\/blockquote>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Viking Sunstone Guided Ships in Cloudy Weather? No such artifacts have been recovered from Viking shipwrecks (yet?), but the concept is pretty cool: To avoid getting lost on their voyages across the North Atlantic 1,000 years ago, Vikings relied on the sun to determine their heading. (This was long before magnetic compasses had been invented.) &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.driko.org\/blog\/2011\/11\/16\/viking-sunstone-guided-ships-in-cloudy-weather\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Viking Sunstone Guided Ships in Cloudy Weather?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"link","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5633","post","type-post","status-publish","format-link","hentry","category-uncategorized","post_format-post-format-link"],"_links":{"self":[{"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/posts\/5633","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/comments?post=5633"}],"version-history":[{"count":0,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/posts\/5633\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/media?parent=5633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/categories?post=5633"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.driko.org\/blog\/wp-json\/wp\/v2\/tags?post=5633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}