{"id":694063,"date":"2017-11-23T03:00:00","date_gmt":"2017-11-23T00:00:00","guid":{"rendered":"http:\/\/www.fyysika.ee\/?guid=03277854d414f235019618dd0dee2ca8"},"modified":"2017-11-23T03:00:00","modified_gmt":"2017-11-23T00:00:00","slug":"understanding-human-waves-exploiting-the-physics-in-a-viral-video","status":"publish","type":"post","link":"https:\/\/www.fyysika.ee\/?p=694063","title":{"rendered":"Understanding \u2018human\u2019 waves: exploiting the physics in a viral video"},"content":{"rendered":"<p>Waves are a relevant part of physics that students find difficult to grasp, even in those cases in<br \/>\nwhich wave propagation kinematics can be visualized. This may hinder a proper understanding of<br \/>\nsound, light or quantum physics phenomena that are explained using a wave model. So-called \u2018human\u2019<br \/>\nwaves, choreographed by people, have proved to be an advisable way to understand basic wave<br \/>\nconcepts. Videos are widely used as a teaching resource and can be of considerable help in order to<br \/>\nwatch and discuss \u2018human\u2019 waves provided their quality is reasonably good. In this paper we propose<br \/>\nand analyse a video that went viral online and has been revealed to be a useful teaching resource<br \/>\nfor introductory physics students. It shows a unique and very complete series of wave propagations,<br \/>\nincluding pulses with different polarizations and periodic waves that can hardly be found elsewhere.<br \/>\nAfter a proposal on how to discuss the video qualitatively, a quantitative analysis is carried out<br \/>\n(no video-&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Waves are a relevant part of physics that students find difficult to grasp, even in those cases in<br \/>\nwhich wave propagation kinematics can be visualized. This may hinder a proper understanding of<br \/>\nsound, light or quantum physics phenomena that are expla&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[178],"tags":[],"class_list":{"0":"post-694063","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-rss-fuusikaharidus","7":"entry"},"_links":{"self":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/694063","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=694063"}],"version-history":[{"count":0,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=\/wp\/v2\/posts\/694063\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=694063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=694063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fyysika.ee\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=694063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}