{"id":21721,"date":"2016-10-05T13:15:25","date_gmt":"2016-10-05T12:15:25","guid":{"rendered":"http:\/\/www.akehedman.se\/wordpress\/?p=21721"},"modified":"2016-10-05T13:15:25","modified_gmt":"2016-10-05T12:15:25","slug":"flettner-rotor-magnus-effect","status":"publish","type":"post","link":"https:\/\/www.akehedman.se\/wordpress\/?p=21721","title":{"rendered":"Flettner rotor &#8211; Magnus effect"},"content":{"rendered":"<blockquote><p><a href=\"http:\/\/interestingengineering.com\/worlds-strangest-boats-sailboats-without-sails\/\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"alignnone size-full\" src=\"https:\/\/i0.wp.com\/www.akehedman.se\/wordpress\/wp-content\/uploads\/2016\/10\/old-ship.jpg?w=580\" alt=\"\" \/><\/a><\/p><\/blockquote>\n<blockquote><p>Sail-less sailboats might be the newest trend in fuel-efficient boating. One boat can cut energy cost by 15 percent without traditional sails.<\/p><\/blockquote>\n<p>Source: <em><a href=\"http:\/\/interestingengineering.com\/worlds-strangest-boats-sailboats-without-sails\/\">The World&#8217;s Strangest Boats: Sailboats Without Sails| Interesting Engineering<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sail-less sailboats might be the newest trend in fuel-efficient boating. One boat can cut energy cost by 15 percent without traditional sails. Source: The World&#8217;s Strangest Boats: Sailboats Without Sails| Interesting Engineering<\/p>\n","protected":false},"author":24,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_crdt_document":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[45],"tags":[],"class_list":["post-21721","post","type-post","status-publish","format-standard","hentry","category-alternative-energy"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":45678,"url":"https:\/\/www.akehedman.se\/wordpress\/?p=45678","url_meta":{"origin":21721,"position":0},"title":"The 1,500 drone dragon that danced in the Shenzhen sky","author":"\u00c5ke Hedman","date":"2023-08-08","format":false,"excerpt":"Flying high to celebrate a popular Chinese festival, the dragon was seen alongside images of a whale, fish, dragon boat, eagle and solar system. Source: The 1,500 drone dragon that danced in the Shenzhen sky","rel":"","context":"In &quot;Swedish&quot;","block_context":{"text":"Swedish","link":"https:\/\/www.akehedman.se\/wordpress\/?cat=2"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":11188,"url":"https:\/\/www.akehedman.se\/wordpress\/?p=11188","url_meta":{"origin":21721,"position":1},"title":"H\u00e4lsingestorm","author":"\u00c5ke Hedman","date":"2013-11-28","format":false,"excerpt":"Jod\u00e5 det har bl\u00e5st ordentligt inatt. Har halvsovit kan man s\u00e4ga. Men inget bl\u00e5sov\u00e4der som ylar i fullt raseri utan mer ett som jobbar lite som en gammal boxare. Jabbar d\u00e5 och d\u00e5 allts\u00e5. Vill vara orkan men klarar det inte, satsar p\u00e5 att f\u00f6rs\u00f6ka vara en riktig storm ist\u00e4llet\u2026","rel":"","context":"In &quot;Betraktelser &amp; Ber\u00e4ttelse&quot;","block_context":{"text":"Betraktelser &amp; Ber\u00e4ttelse","link":"https:\/\/www.akehedman.se\/wordpress\/?cat=24"},"img":{"alt_text":"boat-storm","src":"https:\/\/i0.wp.com\/www.eurosource.se\/akhe\/wordpress\/wp-content\/uploads\/2013\/11\/boat-storm.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.eurosource.se\/akhe\/wordpress\/wp-content\/uploads\/2013\/11\/boat-storm.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.eurosource.se\/akhe\/wordpress\/wp-content\/uploads\/2013\/11\/boat-storm.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":39221,"url":"https:\/\/www.akehedman.se\/wordpress\/?p=39221","url_meta":{"origin":21721,"position":2},"title":"Misommarkod","author":"\u00c5ke Hedman","date":"2021-06-22","format":false,"excerpt":"Photo by Lukas Hq on Pexels.com Jag midsommarkodar. Det finns inget annat ord f\u00f6r det. Men njutning i s\u00e5dan kod ocks\u00e5 s\u00e5klart. Om \u00e4n aningen j\u00e4ktad just nu. Semestern knackar h\u00e5rt p\u00e5 d\u00f6rren. Innan jag \u00f6ppnar den skall jag bara... Men en regnv\u00e4dersdag idag. Det tackar man f\u00f6r. F\u00e5r g\u00e4rna\u2026","rel":"","context":"In &quot;Betraktelser &amp; Ber\u00e4ttelse&quot;","block_context":{"text":"Betraktelser &amp; Ber\u00e4ttelse","link":"https:\/\/www.akehedman.se\/wordpress\/?cat=24"},"img":{"alt_text":"lonely boat on river with green shores","src":"https:\/\/i0.wp.com\/www.akehedman.se\/wordpress\/wp-content\/uploads\/2021\/06\/pexels-photo-6997485.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.akehedman.se\/wordpress\/wp-content\/uploads\/2021\/06\/pexels-photo-6997485.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.akehedman.se\/wordpress\/wp-content\/uploads\/2021\/06\/pexels-photo-6997485.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.akehedman.se\/wordpress\/wp-content\/uploads\/2021\/06\/pexels-photo-6997485.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":43303,"url":"https:\/\/www.akehedman.se\/wordpress\/?p=43303","url_meta":{"origin":21721,"position":3},"title":"Energy Storage &#8211; Ligna Energy","author":"\u00c5ke Hedman","date":"2022-11-08","format":false,"excerpt":"Groundbreaking\u00a0energy storage technology When there is a mismatch between energy production and demand, energy needs to be balanced. Energy is stored when demand is low and production is high. This excess is then used when energy is in high demand. 01HOW OUR ENERGY STORAGE TECHNOLOGY WORKS Source: Energy Storage -\u2026","rel":"","context":"In &quot;F\u00f6retagande&quot;","block_context":{"text":"F\u00f6retagande","link":"https:\/\/www.akehedman.se\/wordpress\/?cat=28"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":38831,"url":"https:\/\/www.akehedman.se\/wordpress\/?p=38831","url_meta":{"origin":21721,"position":4},"title":"Chalmers: Vill lagra energi i h\u00f6ghus \u2013 Elektroniktidningen","author":"\u00c5ke Hedman","date":"2021-05-18","format":false,"excerpt":"En skyskrapa som kan lagra energi och laddas upp g\u00e5ng p\u00e5 g\u00e5ng. Det kan bli verklighet d\u00e5 Chalmersforskare utvecklat ett uppladdningsbart cementbaserat batteri. Source: Chalmers: Vill lagra energi i h\u00f6ghus \u2013 Elektroniktidningen","rel":"","context":"In &quot;Alternative Energy&quot;","block_context":{"text":"Alternative Energy","link":"https:\/\/www.akehedman.se\/wordpress\/?cat=45"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":50952,"url":"https:\/\/www.akehedman.se\/wordpress\/?p=50952","url_meta":{"origin":21721,"position":5},"title":"Airloom Energys vertikala turbiner kan s\u00e4nka vindkraftskostnaderna | Nyheter om klimatl\u00f6sningar","author":"\u00c5ke Hedman","date":"2026-01-14","format":false,"excerpt":"Airloom Energy f\u00f6r\u00e4ndrar vindkraftslandskapet med avancerade turbiner. Ta reda p\u00e5 hur den h\u00e4r tekniken kan gynna energitryggheten. 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