{"id":8166,"date":"2026-03-12T12:53:26","date_gmt":"2026-03-12T12:53:26","guid":{"rendered":"http:\/\/osnovnaskolakrk.hr\/krk\/?p=8166"},"modified":"2026-03-12T12:53:26","modified_gmt":"2026-03-12T12:53:26","slug":"tajni-agenti-trecih-i-cetvrtih-razreda","status":"publish","type":"post","link":"http:\/\/osnovnaskolakrk.hr\/krk\/tajni-agenti-trecih-i-cetvrtih-razreda\/","title":{"rendered":"TAJNI AGENTI TRE\u0106IH I \u010cETVRTIH RAZREDA"},"content":{"rendered":"<p>Danas je u na\u0161oj \u0161koli gostovao g. Kre\u0161imir \u010cani\u0107. Odr\u017eao je zanimljivo i pou\u010dno<br \/>\npredavanje o kriptografiji u sklopu projekta STEMerica ide dalje za u\u010denike tre\u0107ih i<br \/>\n\u010detvrtih razreda. Razlog njegova posjeta je popularizacija STEM podru\u010dja i poticanje<br \/>\ninteresa za prirodne znanosti.<\/p>\n<p><span style=\"font-size: 1rem;\">Kriptografija je znanstvena disciplina koja se bavi <\/span><span style=\"font-size: 1rem;\">skrivanjem i za\u0161titom poruka. G. \u010cani\u0107 pokazao je u\u010denicima spartansku napravu za <\/span><span style=\"font-size: 1rem;\">\u0161ifriranje uz pomo\u0107 drvenog cilindra te \u0161ifriranje poruka koje je osmislio Leonardo da <\/span><span style=\"font-size: 1rem;\">Vinci (sustav rasporeda znakova u mre\u017eu poput \u0161ahovske plo\u010de).<\/span><\/p>\n<p>U\u010denici su u\u010dili kako de\u0161ifrirati skrivene poruke i na koji na\u010din poslati skrivenu poruku.<br \/>\nPosebno nas se dojmio prakti\u010dni dio radionice &#8211; uzimanje otisaka prstiju. U\u010denici su<br \/>\npod mikroskopom prou\u010dili svoj otisak i odredili kojoj skupini otisaka pripada &#8211;<br \/>\nlukovima, petljama ili spiralama. Upoznali su se sa sustavom identifikacije pomo\u0107u<br \/>\notisaka prstiju koji je razvio hrvatski znanstvenik i izumitelj Ivan Vu\u010deti\u0107.<br \/>\nBilo je vrlo zanimljivo nakratko zaviriti u tajanstveni svijet kriptografije i forenzike!<!--more--><\/p>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 33%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-8166 gallery-columns-3 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/osnovnaskolakrk.hr\/krk\/wp-content\/uploads\/k1-16.jpg' title=\"\" data-rl_title=\"\" 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height=\"150\" src=\"http:\/\/osnovnaskolakrk.hr\/krk\/wp-content\/uploads\/k9-4-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" \/><\/a>\n\t\t\t<\/dt><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/osnovnaskolakrk.hr\/krk\/wp-content\/uploads\/k10-3.jpg' title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img width=\"150\" height=\"150\" src=\"http:\/\/osnovnaskolakrk.hr\/krk\/wp-content\/uploads\/k10-3-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" \/><\/a>\n\t\t\t<\/dt><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='http:\/\/osnovnaskolakrk.hr\/krk\/wp-content\/uploads\/k11-2.jpg' title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img width=\"150\" height=\"150\" src=\"http:\/\/osnovnaskolakrk.hr\/krk\/wp-content\/uploads\/k11-2-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" loading=\"lazy\" \/><\/a>\n\t\t\t<\/dt><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Danas je u na\u0161oj \u0161koli gostovao g. Kre\u0161imir \u010cani\u0107. Odr\u017eao je zanimljivo i pou\u010dno predavanje o kriptografiji u sklopu projekta STEMerica ide dalje za u\u010denike tre\u0107ih i \u010detvrtih razreda. Razlog njegova posjeta je popularizacija STEM podru\u010dja i poticanje interesa za prirodne znanosti. Kriptografija je znanstvena disciplina koja se bavi skrivanjem i za\u0161titom poruka. G. \u010cani\u0107 [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":8167,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/posts\/8166"}],"collection":[{"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/comments?post=8166"}],"version-history":[{"count":1,"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/posts\/8166\/revisions"}],"predecessor-version":[{"id":8179,"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/posts\/8166\/revisions\/8179"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/media\/8167"}],"wp:attachment":[{"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/media?parent=8166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/categories?post=8166"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/osnovnaskolakrk.hr\/krk\/wp-json\/wp\/v2\/tags?post=8166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}