{"id":86885,"date":"2025-02-13T13:54:39","date_gmt":"2025-02-13T11:54:39","guid":{"rendered":"https:\/\/www.technion.ac.il\/?post_type=article&#038;p=86885"},"modified":"2025-02-13T13:54:58","modified_gmt":"2025-02-13T11:54:58","slug":"greetings-from-the-fourth-dimension","status":"publish","type":"article","link":"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/","title":{"rendered":"Greetings from the Fourth Dimension"},"featured_media":86881,"menu_order":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-86885","article","type-article","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Greetings from the Fourth Dimension - \u05d4\u05d8\u05db\u05e0\u05d9\u05d5\u05df-\u05de\u05db\u05d5\u05df \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9 \u05dc\u05d9\u05e9\u05e8\u05d0\u05dc<\/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:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Greetings from the Fourth Dimension - \u05d4\u05d8\u05db\u05e0\u05d9\u05d5\u05df-\u05de\u05db\u05d5\u05df \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9 \u05dc\u05d9\u05e9\u05e8\u05d0\u05dc\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/\" \/>\n<meta property=\"og:site_name\" content=\"\u05d4\u05d8\u05db\u05e0\u05d9\u05d5\u05df-\u05de\u05db\u05d5\u05df \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9 \u05dc\u05d9\u05e9\u05e8\u05d0\u05dc\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-13T11:54:58+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.technion.ac.il\/wp-content\/uploads\/2025\/02\/A-tesseract-a-four-dimensional-cube-791x1024.png\" \/>\n\t<meta property=\"og:image:width\" content=\"791\" \/>\n\t<meta property=\"og:image:height\" content=\"1024\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/\",\"url\":\"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/\",\"name\":\"Greetings from the Fourth Dimension - \u05d4\u05d8\u05db\u05e0\u05d9\u05d5\u05df-\u05de\u05db\u05d5\u05df \u05d8\u05db\u05e0\u05d5\u05dc\u05d5\u05d2\u05d9 \u05dc\u05d9\u05e9\u05e8\u05d0\u05dc\",\"isPartOf\":{\"@id\":\"https:\/\/www.technion.ac.il\/en\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.technion.ac.il\/wp-content\/uploads\/2025\/02\/A-tesseract-a-four-dimensional-cube.png\",\"datePublished\":\"2025-02-13T11:54:39+00:00\",\"dateModified\":\"2025-02-13T11:54:58+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.technion.ac.il\/en\/blog\/article\/greetings-from-the-fourth-dimension\/#primaryimage\",\"url\":\"https:\/\/www.technion.ac.il\/wp-content\/uploads\/2025\/02\/A-tesseract-a-four-dimensional-cube.png\",\"contentUrl\":\"https:\/\/www.technion.ac.il\/wp-content\/uploads\/2025\/02\/A-tesseract-a-four-dimensional-cube.png\",\"width\":1700,\"height\":2200,\"caption\":\"In the illustration: A tesseract (a four-dimensional cube) and the \\\"shadow\\\" it casts on a plane\u2014the quasicrystal discovered by Shechtman. 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