{"id":11168,"date":"2016-06-19T13:11:06","date_gmt":"2016-06-19T11:11:06","guid":{"rendered":"http:\/\/www.serbia.com\/?p=11168"},"modified":"2016-06-22T17:11:24","modified_gmt":"2016-06-22T15:11:24","slug":"uzbrdna-nizbrdica-cudo-ili-uzbudljiva-opticka-varka-2","status":"publish","type":"post","link":"https:\/\/serbia.com\/srpski\/uzbrdna-nizbrdica-cudo-ili-uzbudljiva-opticka-varka-2\/","title":{"rendered":"Uzbrdna nizbrdica na planini Radan: \u010dudo ili uzbudljiva opti\u010dka varka?"},"content":{"rendered":"<h4>Uzbrdna nizbrdica na Radan planini kao i sve sli\u010dne pojave i mesta na kojima voda te\u010de uzvodno a isklju\u010deni automobili klize uzbrdo, nisu \u010duda prirode ve\u0107 opti\u010dke varke, ka\u017eu fizi\u010dari. Ali kako je mogu\u0107e da se na\u0161e o\u010di toliko varaju, da na\u0161e noge \u010dine korak uzbrdo, a da kro\u010de nizbrdo, zapravo?<\/h4>\n<p>Odavno su stanovnici Ivanja na Radan planini i putnici namernici primetili tu neobi\u010dnu pojavu. Sve izgleda kao da se pred vama nalazi nizbrdica koja se du\u017einom od nekih 300 m spu\u0161ta u podno\u017eje brda. Me\u0111utim, <strong>ako na sred tog puta isklju\u010dite automobil, on ne\u0107e nastaviti nizbrdo, ve\u0107 \u0107e se sam vra\u0107ati uzbrdo.<\/strong> Ukoliko na istom putu prospete vodu, ona ne\u0107e te\u0107i nizbrdo, ve\u0107 \u0107e se slivati uzbrdo. Kada pogledate Ivanjski potok pored puta, delova\u0107e vam da te\u010de uzbrdo.<\/p>\n<p>Me\u0161tani i mediji su govorili o tzv. gravitacionoj anomaliji, <strong><em>\u201c\u010dudu na Radan planini\u201d<\/em><\/strong> i da je tajna u magnetnom polju koje se nalazi u samom brdu. U prilog tome se navodi i to \u0161to su tokom Drugog svetskog rata, ni\u010dim izazvani, ovde padali nema\u010dki avioni.<\/p>\n<p>Kako fizika vidi ovu pojavu za Serbia.com obja\u0161njava<strong> Branislav Aleksi\u0107, ista\u017eiva\u010d-saradnik Instituta za fiziku u Beogradu:<\/strong><\/p>\n<p><em>Fizika ka\u017ee da je sve u radu na Radanu, da je gravitacija normalna, i da ne postoji nikakva \u201cgravitaciona anomalija\u201d. Niko nikada do sada nije otkrio da ne\u0161to mo\u017ee da omete gravitaciju.<\/em><\/p>\n<h4>Kako je mogu\u0107e da se na\u0161e o\u010di toliko varaju da vidimo nizbrdicu kao uzbrdicu?<\/h4>\n<p>Takve varke za na\u0161e o\u010di se de\u0161avaju uglavnom u nekim brdima i \u0161umovitim predelima gde nemamo jasan horizont, ravan ili recimo, neke objekte, zgrade na primer, koje su savr\u0161eno vertikalne ili drve\u0107e koje je vertikalno. U tim planinskim krajevima drve\u0107e je \u010desto nako\u0161eno, pa u kombinaciji sa brdima daje iskrivljenu sliku na\u0161em oku koje ne mo\u017ee da proceni da li je to uzbrdo ili nizbrdo. Naime, izgleda kao uzbrdica, a zapravo je nizbrdica. Moje kolege su nekolicinom ogleda upravo na ovom mestu to i dokazale.<\/p>\n<p><strong>Da li telo ula\u017ee odre\u0111eni napor kada krene tom \u201cuzbrdicom\u201d?<\/strong><\/p>\n<p>Ne, kada biste zatvorili o\u010di, mislili biste da hodate nizbrdo. Potpuno je isti ose\u0107aj.<\/p>\n<h4>Kako se dolazi do takvih nalaza?<\/h4>\n<p>Postoji nekoliko na\u010dina. Visinu strana mogu izmeriti geometri kori\u0161\u0107enjem nivelira (geodetskih instrumenata). GPS ure\u0111ajtako\u0111e mo\u017ee odrediti visinu terena jer se njime mo\u017ee izmeriti razdaljina od satelita (ukoliko se stavi na oba kraja, GPS \u0107e pokazati \u0161ta je bli\u017ee satelitu)\u2026 Vrednost gravitacionog ubrzanja meri uz pomo\u0107 matemati\u010dkog klatna. Svi ovi eksperimenti su ra\u0111eni na Radanu i svi su pokazali da je sa gravitacijom sve u redu, da je u pitanju nizbrdica i da nema govora o nekakvom \u201cmagnetnom brdu\u201d.<\/p>\n<p>Ovakvih pojava ima na jo\u0161 nekoliko mesta u Srbiji. Iako se radi o opti\u010dkoj varci, oni koji su iskusili ovo \u201e\u010dudo na Radan planini\u201d ka\u017eu da je ova varka dovoljno uzbudljiva \u010dak i kao takva. Zbog svoje prividne nelogi\u010dnosti i neshvatljivosti lai\u010dkom oku ona je postala neka vrsta turisti\u010dke atrakcije. Ipak, jo\u0161 uvek ima onih koji veruju da su \u0111avoli iz obli\u017enje <strong><a href=\"http:\/\/www.serbia.com\/srpski\/posetite-srbiju\/prirodne-lepote\/jedinstvena-priroda\/davolja-varos\/\" target=\"_blank\">\u0110avolje varo\u0161i<\/a><\/strong> upleli svoje prste u tu malu deonicu puta na Radan planini.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Uzbrdna nizbrdica na Radan planini kao i sve sli\u010dne pojave i mesta na kojima voda te\u010de uzvodno a isklju\u010deni automobili klize uzbrdo, nisu \u010duda prirode ve\u0107 opti\u010dke varke, ka\u017eu fizi\u010dari. [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":51797,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1643,2846,1655],"tags":[723,732,2660,6502],"class_list":["post-11168","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-da-li-ste-vec-znali","category-istaknuto","category-planine","tag-davolja-varos-srpski","tag-planina-srpski","tag-radan","tag-uzbrdna-nizbrdica"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Uzbrdna nizbrdica: \u010dudo ili uzbudljiva opti\u010dka varka? - Serbia.com<\/title>\n<meta name=\"description\" content=\"Uzbrdna nizbrdica na Radan planini kao i sve sli\u010dne pojave i mesta na kojima voda te\u010de uzvodno a isklju\u010deni automobili klize uzbrdo, nisu \u010duda prirode ve\u0107 opti\u010dke varke, ka\u017eu fizi\u010dari. Ali kako je mogu\u0107e da se na\u0161e o\u010di toliko varaju, da na\u0161e noge \u010dine korak uzbrdo,a da kro\u010de nizbrdo, zapravo?\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/serbia.com\/srpski\/uzbrdna-nizbrdica-cudo-ili-uzbudljiva-opticka-varka-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uzbrdna nizbrdica: \u010dudo ili uzbudljiva opti\u010dka varka? - Serbia.com\" \/>\n<meta property=\"og:description\" content=\"Uzbrdna nizbrdica na Radan planini kao i sve sli\u010dne pojave i mesta na kojima voda te\u010de uzvodno a isklju\u010deni automobili klize uzbrdo, nisu \u010duda prirode ve\u0107 opti\u010dke varke, ka\u017eu fizi\u010dari. Ali kako je mogu\u0107e da se na\u0161e o\u010di toliko varaju, da na\u0161e noge \u010dine korak uzbrdo,a da kro\u010de nizbrdo, zapravo?\" \/>\n<meta property=\"og:url\" content=\"https:\/\/serbia.com\/srpski\/uzbrdna-nizbrdica-cudo-ili-uzbudljiva-opticka-varka-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Serbia.com\" \/>\n<meta property=\"article:published_time\" content=\"2016-06-19T11:11:06+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-06-22T15:11:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/serbia.com\/wp-content\/uploads\/2013\/07\/radan.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"803\" \/>\n\t<meta property=\"og:image:height\" content=\"471\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Serbia.com\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Serbia.com\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/serbia.com\/srpski\/uzbrdna-nizbrdica-cudo-ili-uzbudljiva-opticka-varka-2\/\",\"url\":\"https:\/\/serbia.com\/srpski\/uzbrdna-nizbrdica-cudo-ili-uzbudljiva-opticka-varka-2\/\",\"name\":\"Uzbrdna nizbrdica: \u010dudo ili uzbudljiva opti\u010dka varka? - Serbia.com\",\"isPartOf\":{\"@id\":\"https:\/\/serbia.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/serbia.com\/srpski\/uzbrdna-nizbrdica-cudo-ili-uzbudljiva-opticka-varka-2\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/serbia.com\/srpski\/uzbrdna-nizbrdica-cudo-ili-uzbudljiva-opticka-varka-2\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/serbia.com\/wp-content\/uploads\/2013\/07\/radan.jpg\",\"datePublished\":\"2016-06-19T11:11:06+00:00\",\"dateModified\":\"2016-06-22T15:11:24+00:00\",\"author\":{\"@id\":\"https:\/\/serbia.com\/#\/schema\/person\/6fe28d3055f5f291d832531e555da490\"},\"description\":\"Uzbrdna nizbrdica na Radan planini kao i sve sli\u010dne pojave i mesta na kojima voda te\u010de uzvodno a isklju\u010deni automobili klize uzbrdo, nisu \u010duda prirode ve\u0107 opti\u010dke varke, ka\u017eu fizi\u010dari. 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