{"id":182131,"date":"2015-12-10T21:45:00","date_gmt":"2015-12-11T02:45:00","guid":{"rendered":"https:\/\/www.panix.com\/~msaroff\/40years\/2015\/12\/10\/seriously-neat-tech-2\/"},"modified":"2015-12-10T21:45:00","modified_gmt":"2015-12-11T02:45:00","slug":"seriously-neat-tech-2","status":"publish","type":"post","link":"https:\/\/www.panix.com\/~msaroff\/40years\/2015\/12\/10\/seriously-neat-tech-2\/","title":{"rendered":"Seriously Neat Tech"},"content":{"rendered":"<p>Do you know how GPS works?<\/p>\n<p>Basically, the satellites broadcast the time using very accurate clocks, and the differences in times received from various satellites in different positions allow a receiver to determine its positions.<\/p>\n<p>Well, it looks like someone is on the cusp of using a natural clock to do the same thing, <a href=\"http:\/\/awin.aviationweek.com\/ArticlesStory.aspx?id=91b42118-df7b-4254-adbd-38a29ebabf36\">using pulsars<\/a>: (<i>paid subscription required<\/i>)<\/p>\n<blockquote><p><span style=\"color: blue;\">Celestial navigation was a mainstay in the early days of aviation, and astronavigation is still used in nuclear bombers to overcome jamming. Now a European research project has shown the feasibility of employing pulsars for aircraft navigation that is independent of ground- or space-based equipment.<\/span><br \/><span style=\"color: blue;\"><br \/><\/span><span style=\"color: blue;\">The PulsarPlane project is investigating the use of pulsar signals for real-time navigation and timing, to overcome the vulnerabilities of global navigation satellite systems and reduce operating costs for aviation in the second half of this century.<\/span><br \/><span style=\"color: blue;\"><br \/><\/span><span style=\"color: blue;\">Begun in 2013 and funded by the European Union\u2019s Framework 7 research program, the project is coordinated by the Dutch aerospace laboratory NLR and involves universities in the Netherlands, Finland, Portugal and Bulgaria.<\/span><br \/><span style=\"color: blue;\"><br \/><\/span><span style=\"color: blue;\">Pulsars are fast-rotating neutron stars that emit stable, fast electromagnetic pulses with unique periods between 1.4 millisec and 5 sec. and unique shapes. Pulsars are visible from everywhere on Earth and across a wide band of frequencies.<\/span><\/p><\/blockquote>\n<p>This is insanely <strike>cook<\/strike> cool.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do you know how GPS works? Basically, the satellites broadcast the time using very accurate clocks, and the differences in times received from various satellites in different positions allow a receiver to determine its positions. Well, it looks like someone is on the cusp of using a natural clock to do the same thing, using &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1154,1025,1035],"tags":[],"class_list":["post-182131","post","type-post","status-publish","format-standard","hentry","category-astronomy","category-technology","category-transportation"],"_links":{"self":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/182131"}],"collection":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/comments?post=182131"}],"version-history":[{"count":0,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/posts\/182131\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/media?parent=182131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/categories?post=182131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.panix.com\/~msaroff\/40years\/wp-json\/wp\/v2\/tags?post=182131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}