{"id":163,"date":"2016-04-13T16:16:54","date_gmt":"2016-04-13T21:16:54","guid":{"rendered":"https:\/\/uwm.edu\/science-bag\/?p=163"},"modified":"2023-12-11T11:53:39","modified_gmt":"2023-12-11T17:53:39","slug":"a-survey-of-spacetime","status":"publish","type":"post","link":"https:\/\/uwm.edu\/science-bag\/a-survey-of-spacetime\/","title":{"rendered":"A Survey of Spacetime"},"content":{"rendered":"\n<p><strong>Jolien Creighton<\/strong> \u2014 Geometry was invented to measure the Earth\u2014to survey plots of land and to find distances between towns. We now use the same surveying methods to measure the distances to stars and the shape of the universe. But geometry is now understood to be the essence of space and time and the origin of gravity. Ripples in the geometry of spacetime produced by colliding black holes or by the big bang are now being sought with new types of observatories that are giving us our most precise survey of spacetime.<\/p>\n\n\n\n<div id=\"23873108\" class=\"vimeo archived\">&nbsp;<\/div>\n\n\n\n<p><iframe loading=\"lazy\" src=\"https:\/\/player.vimeo.com\/video\/23873108\" width=\"640\" height=\"480\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jolien Creighton \u2014 Geometry was invented to measure the Earth\u2014to survey plots of land and to find distances between towns. We now use the same surveying methods to measure the distances to stars and the shape of the universe. But &hellip;<\/p>\n","protected":false},"author":45,"featured_media":6869,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"video","meta":{"_acf_changed":false,"footnotes":"","uwm_wg_additional_authors":[]},"categories":[1,31],"tags":[32],"class_list":["post-163","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-all-videos","category-physics","tag-astronomy","post_format-post-format-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>A Survey of Spacetime - 51ÁÔÆæ Science Bag<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/uwm.edu\/science-bag\/a-survey-of-spacetime\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A Survey of Spacetime\" \/>\n<meta property=\"og:description\" content=\"Jolien Creighton \u2014 Geometry was invented to measure the Earth\u2014to survey plots of land and to find distances between towns. 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