{"id":24345,"date":"2025-08-24T08:53:15","date_gmt":"2025-08-24T08:53:15","guid":{"rendered":"https:\/\/www.otegroupmuseum.gr\/?post_type=draseis&#038;p=24345"},"modified":"2026-02-10T11:07:46","modified_gmt":"2026-02-10T11:07:46","slug":"secret-codes","status":"publish","type":"draseis","link":"https:\/\/www.otegroupmuseum.gr\/en\/education\/live\/secret-codes\/","title":{"rendered":"Secret Codes"},"content":{"rendered":"\n<p><em>Can light hide secret messages? And how does information travel through an <strong>optical fiber<\/strong>?<\/em><\/p>\n\n\n\n<p>In this interactive <strong>STEM workshop<\/strong>, students become&#8230; secret agents on a mission! They learn about <strong>optical transmission technology<\/strong> and the science of <strong>cryptography<\/strong>, and discover how information is converted into light signals, encoded, transmitted, and finally decoded. Students work together to solve puzzles and decrypt optical communication signals, familiarizing themselves with concepts such as <strong>encoding, FDMA (frequency division multiple access), and optical fiber,<\/strong> and cultivate 21st-century skills\u2014collaboration, problem solving, and creative thinking. The team that decrypts the most signals is declared the <strong>FIBER Hacker!<\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Can light hide secret messages? And how does information travel through an optical fiber? In this interactive STEM workshop, students become&#8230; secret agents on a mission! They learn about optical transmission technology and the science of cryptography, and discover how information is converted into light signals, encoded, transmitted, and finally decoded. Students work together to [&hellip;]<\/p>\n","protected":false},"featured_media":36259,"menu_order":0,"template":"","format":"standard","template-drasis":[],"ilikiakes-omades-sxolia":[121],"tipos--drasis":[97],"ilikiakes-omades":[],"katigories-draseon":[102,99,100],"class_list":["post-24345","draseis","type-draseis","status-publish","format-standard","has-post-thumbnail","hentry","ilikiakes-omades-sxolia-1st-2nd-and-3rd-primary-school-grades","tipos--drasis-stem-en","katigories-draseon-live","katigories-draseon-schools","katigories-draseon-stem-en"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Secret Codes - Otemuseum<\/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.otegroupmuseum.gr\/en\/education\/live\/secret-codes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Secret Codes - Otemuseum\" \/>\n<meta property=\"og:description\" content=\"Can light hide secret messages? 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