{"id":71,"date":"2021-05-01T01:58:03","date_gmt":"2021-04-30T23:58:03","guid":{"rendered":"https:\/\/festivalznanosti.uniri.hr\/?p=71"},"modified":"2021-05-01T01:58:03","modified_gmt":"2021-04-30T23:58:03","slug":"znanost-na-korzu-3","status":"publish","type":"post","link":"https:\/\/festivalznanosti.uniri.hr\/2021\/znanost-na-korzu-3\/","title":{"rendered":"Znanost na Korzu"},"content":{"rendered":"<div class=\"post-content\">\n<h2 class=\"wp-block-heading\">Valna&nbsp;optika&nbsp;i&nbsp;akustika&nbsp;<\/h2>\n\n\n\n<p>Vedran Vujnovi\u0107, asistent, Odjel za fiziku i NANORI, UNIRI&nbsp;<\/p>\n\n\n\n<p>Viktorija Vuji\u0107, studentica Preddiplomskoga studija Fizika, Odjel za fiziku, UNIRI<\/p>\n\n\n\n<p>\u010covjek svakodnevno ve\u0107inu informacija dobiva pomo\u0107u svjetlosti i zvuka. Svjetlost je elektromagnetski val od 750 000 GHz do 400 000 GHz (tj. od 400 nm do 750 nm). Valna svojstva svjetlosti demonstrirat \u0107emo pomo\u0107u Michelsonova interferometra. Njegove su se velike i slo\u017eenije ina\u010dice koristile za opa\u017eanje gravitacijskih valova (Nobelova nagrada za fiziku 2017.), ali i dale odgovor o postojanju etera te pro\u0161irile mogu\u0107nosti spektroskopskih istra\u017eivanja. S druge strane, svima je dobro poznato da je zvuk val. To\u010dnije, mehani\u010dki val od 20 Hz do 20 kHz. Pomo\u0107u ure\u0111aja za akusti\u010dnu levitaciju demonstrirat \u0107emo kako zvukom mo\u017eemo zarobiti male \u010destice. Ovakvi i sli\u010dni ure\u0111aji posljednjih su se godina po\u010deli primjenjivati u gotovo svim granama znanosti \u2013 najvi\u0161e u istra\u017eivanjima gdje je potrebno beskontaktno manipuliranje \u010dvrstim i teku\u0107im uzorcima.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>\u017divotopis<\/strong>:<\/h5>\n\n\n\n<p><strong>Vedran Vujnovi\u0107<\/strong>&nbsp; student je doktorskog studija fizike na PMF-u i asistent u Zavodu za eksperimentalnu i primijenjenu fiziku Odjela za fiziku i Centru za mikro- i nanoznanosti i tehnologije Sveu\u010dili\u0161ta u Rijeci. Primarni mu je interes primjena kvantne fizike, konkretnije kvantna optika, kvantne tehnologije i precizna mjerenja. \u0160iri fokus istra\u017eivanja obuhva\u0107a eksperimentalni rad vezan uz opti\u010dku detekciju, intereferometriju i fiziku opti\u010dkih senzora.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Matemati\u010dki&nbsp;\u010dvorovi&nbsp;<\/h2>\n\n\n\n<p>Priznaj, sigurno nikada nisi pomislio\/pomislila da ti matematika mo\u017ee pomo\u0107i zapetljati ili otpetljati neki \u010dvor! Do\u0111i na Korzo i poku\u0161aj se otpetljati!\u00a0<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tajne&nbsp;\u0161ifriranja<\/h2>\n\n\n\n<p>Jesi li se ikada pitao\/pitala kako je Cezar skrivao tajne od svojih neprijatelja? Jesi li ikada \u010duo\/\u010dula za Enigmu? Zna\u0161 li kako je radila? Zna\u0161 li tko ju je \u201eprobio\u201c?&nbsp;<\/p>\n\n\n\n<p>\u0160ifriranje je maskiranje ili pretvaranje izvornog teksta u \u0161ifrirani tekst po odre\u0111enom klju\u010du. Otkada postoji civilizacija postoji i potreba za \u0161ifriranjem. U ovoj \u0107emo aktivnosti prikazati kratak vremeplov \u0161ifriranja.&nbsp;&nbsp;<\/p>\n\n\n\n<p>Pridru\u017ei nam se i oku\u0161aj se u \u0161ifriranju!&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&nbsp;<\/h2>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Valna optika i akustika-<br \/>\nMatemati\u010dki \u010dvorovi-<br \/>\nTajne \u0161ifriranja <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[9],"tags":[29,36],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Znanost na Korzu - Festival Znanosti, Rijeka 2021<\/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:\/\/festivalznanosti.uniri.hr\/2021\/znanost-na-korzu-3\/\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Znanost na Korzu - 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