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Available in 29 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-29" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">29 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AA%D9%84%D8%A9_%D9%85%D8%BA%D9%86%D8%A7%D8%B7%D9%8A%D8%B3%D9%8A%D8%A9" title="تلة مغناطيسية – Arabic" lang="ar" hreflang="ar" data-title="تلة مغناطيسية" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Llomba_gravitacional" title="Llomba gravitacional – Asturian" lang="ast" hreflang="ast" data-title="Llomba gravitacional" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%85%E0%A6%AD%E0%A6%BF%E0%A6%95%E0%A6%B0%E0%A7%8D%E0%A6%B7_%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%AC%E0%A6%A4" title="অভিকর্ষ পর্বত – Bangla" lang="bn" hreflang="bn" data-title="অভিকর্ষ পর্বত" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Magnetick%C3%BD_kopec" title="Magnetický kopec – Czech" lang="cs" hreflang="cs" data-title="Magnetický kopec" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Gravitationsbakke" title="Gravitationsbakke – Danish" lang="da" hreflang="da" data-title="Gravitationsbakke" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Colina_gravitacional" title="Colina gravitacional – Spanish" lang="es" hreflang="es" data-title="Colina gravitacional" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D9%BE%D9%87_%DA%AF%D8%B1%D8%A7%D9%86%D8%B4%DB%8C" title="تپه گرانشی – Persian" lang="fa" hreflang="fa" data-title="تپه گرانشی" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/C%C3%B4te_magn%C3%A9tique" title="Côte magnétique – French" lang="fr" hreflang="fr" data-title="Côte magnétique" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%9A%E0%AB%81%E0%AA%82%E0%AA%AC%E0%AA%95%E0%AB%80%E0%AA%AF_%E0%AA%9F%E0%AB%87%E0%AA%95%E0%AA%B0%E0%AB%80%E0%AA%93" title="ચુંબકીય ટેકરીઓ – Gujarati" lang="gu" hreflang="gu" data-title="ચુંબકીય ટેકરીઓ" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%8F%84%EA%B9%A8%EB%B9%84%EB%8F%84%EB%A1%9C" title="도깨비도로 – Korean" lang="ko" hreflang="ko" data-title="도깨비도로" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%84%D5%A1%D5%A3%D5%B6%D5%AB%D5%BD%D5%A1%D5%AF%D5%A1%D5%B6_%D5%AC%D5%A5%D5%BC" title="Մագնիսական լեռ – Armenian" lang="hy" hreflang="hy" data-title="Մագնիսական լեռ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Bukit_gravitasi" title="Bukit gravitasi – Indonesian" lang="id" hreflang="id" data-title="Bukit gravitasi" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Salita_in_discesa" title="Salita in discesa – Italian" lang="it" hreflang="it" data-title="Salita in discesa" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%9B%D7%91%D7%99%D7%A9_%D7%94%D7%9E%D7%9B%D7%95%D7%A9%D7%A3" title="הכביש המכושף – Hebrew" lang="he" hreflang="he" data-title="הכביש המכושף" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Punthuk_magn%C3%A8t" title="Punthuk magnèt – Javanese" lang="jv" hreflang="jv" data-title="Punthuk magnèt" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9B%E1%83%90%E1%83%92%E1%83%9C%E1%83%98%E1%83%A2%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%91%E1%83%9D%E1%83%A0%E1%83%AA%E1%83%95%E1%83%98" title="მაგნიტური ბორცვი – Georgian" lang="ka" hreflang="ka" data-title="მაგნიტური ბორცვი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%96%D0%BE%D0%B1%D0%B0:%D0%98%D0%BD%D0%BA%D1%83%D0%B1%D0%B0%D1%82%D0%BE%D1%80/%D0%93%D1%80%D0%B0%D0%B2%D0%B8%D1%82%D0%B0%D1%86%D0%B8%D1%8F%D0%BB%D1%8B%D2%9B_%D1%82%D3%A9%D0%B1%D0%B5" title="Жоба:Инкубатор/Гравитациялық төбе – Kazakh" lang="kk" hreflang="kk" data-title="Жоба:Инкубатор/Гравитациялық төбе" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Gravit%C3%A1ci%C3%B3s_domb" title="Gravitációs domb – Hungarian" lang="hu" hreflang="hu" data-title="Gravitációs domb" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%99%E1%80%BC%E1%80%B1%E1%80%86%E1%80%BD%E1%80%B2%E1%80%A1%E1%80%AC%E1%80%B8_%E1%80%90%E1%80%B1%E1%80%AC%E1%80%84%E1%80%BA%E1%80%80%E1%80%AF%E1%80%94%E1%80%BA%E1%80%B8" title="မြေဆွဲအား တောင်ကုန်း – Burmese" lang="my" hreflang="my" data-title="မြေဆွဲအား တောင်ကုန်း" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Gravitatieheuvel" title="Gravitatieheuvel – Dutch" lang="nl" hreflang="nl" data-title="Gravitatieheuvel" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%B0%E3%83%A9%E3%83%93%E3%83%86%E3%82%A3%E3%83%92%E3%83%AB" title="グラビティヒル – Japanese" lang="ja" hreflang="ja" data-title="グラビティヒル" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Magiczna_g%C3%B3rka" title="Magiczna górka – Polish" lang="pl" hreflang="pl" data-title="Magiczna górka" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ladeira_gravitacional" title="Ladeira gravitacional – Portuguese" lang="pt" hreflang="pt" data-title="Ladeira gravitacional" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%93%D1%80%D0%B0%D0%B2%D0%B8%D1%82%D0%B0%D1%86%D0%B8%D0%BE%D0%BD%D0%BD%D1%8B%D0%B9_%D1%85%D0%BE%D0%BB%D0%BC" title="Гравитационный холм – Russian" lang="ru" hreflang="ru" data-title="Гравитационный холм" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Magnetisk_kulle" title="Magnetisk kulle – Swedish" lang="sv" hreflang="sv" data-title="Magnetisk kulle" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%99%E0%B8%B4%E0%B8%99%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B9%82%E0%B8%99%E0%B9%89%E0%B8%A1%E0%B8%96%E0%B9%88%E0%B8%A7%E0%B8%87" title="เนินความโน้มถ่วง – Thai" lang="th" hreflang="th" data-title="เนินความโน้มถ่วง" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%93%D1%80%D0%B0%D0%B2%D1%96%D1%82%D0%B0%D1%86%D1%96%D0%B9%D0%BD%D0%B8%D0%B9_%D0%BF%D0%B0%D0%B3%D0%BE%D1%80%D0%B1" title="Гравітаційний пагорб – Ukrainian" lang="uk" hreflang="uk" data-title="Гравітаційний пагорб" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DA%A9%D8%B4%D8%B4_%D8%AB%D9%82%D9%84_%D9%BE%DB%81%D8%A7%DA%91%DB%8C" title="کشش ثقل پہاڑی – Urdu" lang="ur" hreflang="ur" data-title="کشش ثقل پہاڑی" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%87%8D%E5%8A%9B%E5%B1%B1" title="重力山 – Chinese" lang="zh" hreflang="zh" data-title="重力山" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q2086896#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></span></div> </div> </div> </div> </header> <div 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data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">"Magnetic hill" and "Mystery hill" redirect here. For other uses, see <a href="/wiki/Magnetic_Hill_(disambiguation)" class="mw-disambig" title="Magnetic Hill (disambiguation)">Magnetic Hill (disambiguation)</a> and <a href="/wiki/Mystery_Hill_(disambiguation)" class="mw-redirect mw-disambig" title="Mystery Hill (disambiguation)">Mystery Hill (disambiguation)</a>.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Magnetic_Hill,_New_Brunswick.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Magnetic_Hill%2C_New_Brunswick.JPG/220px-Magnetic_Hill%2C_New_Brunswick.JPG" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Magnetic_Hill%2C_New_Brunswick.JPG/330px-Magnetic_Hill%2C_New_Brunswick.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Magnetic_Hill%2C_New_Brunswick.JPG/440px-Magnetic_Hill%2C_New_Brunswick.JPG 2x" data-file-width="2560" data-file-height="1920" /></a><figcaption>Water appearing to run uphill at <a href="/wiki/Magnetic_Hill_(Moncton)" title="Magnetic Hill (Moncton)">Magnetic Hill</a> in <a href="/wiki/New_Brunswick" title="New Brunswick">New Brunswick</a></figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Magnetic_Hill-Moncton-New_Brunswick-20170620.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Magnetic_Hill-Moncton-New_Brunswick-20170620.jpg/220px-Magnetic_Hill-Moncton-New_Brunswick-20170620.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/Magnetic_Hill-Moncton-New_Brunswick-20170620.jpg/330px-Magnetic_Hill-Moncton-New_Brunswick-20170620.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/46/Magnetic_Hill-Moncton-New_Brunswick-20170620.jpg/440px-Magnetic_Hill-Moncton-New_Brunswick-20170620.jpg 2x" data-file-width="2560" data-file-height="1920" /></a><figcaption>Magnetic Hill in <a href="/wiki/Moncton" title="Moncton">Moncton</a>, <a href="/wiki/Canada" title="Canada">Canada</a></figcaption></figure> <p>A <b>gravity hill</b>, also known as a <b>magnetic hill</b>, <b>mystery hill</b>, <b>mystery spot</b>, <b>gravity road</b>, or <b>anti-gravity hill</b>, is a place where the layout of the surrounding land produces an <a href="/wiki/Illusion" title="Illusion">illusion</a>, making a slight downhill slope appear to be an uphill slope. Thus, a car left out of gear will appear to be rolling uphill against <a href="/wiki/Gravity" title="Gravity">gravity</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p><p>Although the slope of gravity hills is an illusion,<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> sites are often accompanied by claims that <a href="/wiki/Magnetism" title="Magnetism">magnetic</a> or <a href="/wiki/Supernatural" title="Supernatural">supernatural</a> forces are at work. The most important factor contributing to the illusion is a completely or mostly obstructed <a href="/wiki/Horizon" title="Horizon">horizon</a>. Without a horizon, it becomes difficult for a person to judge the slope of a surface, as a reliable reference point is missing, and misleading visual cues can adversely affect the <a href="/wiki/Sense_of_balance" title="Sense of balance">sense of balance</a>. Objects which one would normally assume to be more or less <a href="/wiki/Perpendicular" title="Perpendicular">perpendicular</a> to the ground, such as trees, may be leaning, offsetting the visual reference.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>A 2003 study looked into how the absence of a horizon can skew the perspective on gravity hills, by recreating a number of antigravity places in the lab to see how volunteers would react. As a conclusion, researchers from Universities of <a href="/wiki/University_of_Padua" title="University of Padua">Padova</a> and <a href="/wiki/University_of_Pavia" title="University of Pavia">Pavia</a> in Italy found that without a true horizon in sight, the human brain could be tricked by common landmarks such as trees and signs.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>The illusion is similar to the <a href="/wiki/Ames_room" title="Ames room">Ames room</a>, in which objects can also appear to roll against gravity. </p><p>The opposite phenomenon—an uphill road that appears flat—is known in <a href="/wiki/Bicycle_racing" class="mw-redirect" title="Bicycle racing">bicycle racing</a> as a "<a href="/wiki/Glossary_of_bicycling#F" class="mw-redirect" title="Glossary of bicycling">false flat</a>".<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gravity_hill&action=edit&section=1" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/List_of_gravity_hills" title="List of gravity hills">List of gravity hills</a></li> <li><a href="/wiki/The_Crooked_House" title="The Crooked House">The Crooked House</a> – a pub (now demolished) with an internal gravity hill illusion.</li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Gravity_hill&action=edit&section=2" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style 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.citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://math.ucr.edu/home/baez/physics/General/roll-uphill.html">"Can Things Roll Uphill?"</a>. <i>Math.ucr.edu</i><span class="reference-accessdate">. Retrieved <span class="nowrap">8 April</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Math.ucr.edu&rft.atitle=Can+Things+Roll+Uphill%3F&rft_id=https%3A%2F%2Fmath.ucr.edu%2Fhome%2Fbaez%2Fphysics%2FGeneral%2Froll-uphill.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGravity+hill" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBressanGarlaschelliBarracano2003" class="citation journal cs1">Bressan, Paola; Garlaschelli, Luigi; Barracano, Monica (2003). <a rel="nofollow" class="external text" href="https://zenodo.org/record/1006741">"Antigravity Hills are Visual Illusions"</a>. <i>Psychological Science</i>. <b>14</b> (5): 441–449. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1111%2F1467-9280.02451">10.1111/1467-9280.02451</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/12930474">12930474</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:10405595">10405595</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Psychological+Science&rft.atitle=Antigravity+Hills+are+Visual+Illusions&rft.volume=14&rft.issue=5&rft.pages=441-449&rft.date=2003&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A10405595%23id-name%3DS2CID&rft_id=info%3Apmid%2F12930474&rft_id=info%3Adoi%2F10.1111%2F1467-9280.02451&rft.aulast=Bressan&rft.aufirst=Paola&rft.au=Garlaschelli%2C+Luigi&rft.au=Barracano%2C+Monica&rft_id=https%3A%2F%2Fzenodo.org%2Frecord%2F1006741&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGravity+hill" class="Z3988"></span> <a rel="nofollow" class="external text" href="https://zenodo.org/record/1006741#.Wdx33hhh1YI">Free full text</a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20080217004146/http://www.sciencedaily.com/videos/2006/0609-the_mysterious_gravity_hill.htm">"The Mysterious Gravity Hill:Physicists Show "Antigravity" Mystery Spots Are Optical Illusions"</a>. <i>ScienceDaily.com</i>. Science Daily. Archived from the original on 2008-02-17.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=ScienceDaily.com&rft.atitle=The+Mysterious+Gravity+Hill%3APhysicists+Show+%22Antigravity%22+Mystery+Spots+Are+Optical+Illusions&rft_id=http%3A%2F%2Fwww.sciencedaily.com%2Fvideos%2F2006%2F0609-the_mysterious_gravity_hill.htm&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGravity+hill" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_web" title="Template:Cite web">cite web</a>}}</code>: CS1 maint: bot: original URL status unknown (<a href="/wiki/Category:CS1_maint:_bot:_original_URL_status_unknown" title="Category:CS1 maint: bot: original URL status unknown">link</a>)</span></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.sciencealert.com/gravity-hills-physics-defying-optical-illusion-car-drifts-uphill">"These Gravity-Defying Hills Are One of The Strangest Natural Phenomena We've Seen"</a>. <i>ScienceAlert.com</i>. 6 March 2017<span class="reference-accessdate">. Retrieved <span class="nowrap">8 April</span> 2022</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=ScienceAlert.com&rft.atitle=These+Gravity-Defying+Hills+Are+One+of+The+Strangest+Natural+Phenomena+We%27ve+Seen&rft.date=2017-03-06&rft_id=https%3A%2F%2Fwww.sciencealert.com%2Fgravity-hills-physics-defying-optical-illusion-car-drifts-uphill&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGravity+hill" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSchweikherDiamond2007" class="citation cs2">Schweikher, Erich; Diamond, Paul, eds. (2007), <a rel="nofollow" class="external text" href="https://books.google.com/books?id=PCO8d0hhzK4C&pg=PA114"><i>Cycling's Greatest Misadventures</i></a>, Casagrande Press LLC, p. 114, <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/978-0-9769516-2-9" title="Special:BookSources/978-0-9769516-2-9"><bdi>978-0-9769516-2-9</bdi></a><span class="reference-accessdate">, retrieved <span class="nowrap">July 20,</span> 2013</span></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Cycling%27s+Greatest+Misadventures&rft.pages=114&rft.pub=Casagrande+Press+LLC&rft.date=2007&rft.isbn=978-0-9769516-2-9&rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3DPCO8d0hhzK4C%26pg%3DPA114&rfr_id=info%3Asid%2Fen.wikipedia.org%3AGravity+hill" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External 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typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/30px-Commons-logo.svg.png" decoding="async" width="30" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/45px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/59px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /></span></span></div> <div class="side-box-text plainlist">Wikimedia Commons has media related to <span style="font-weight: bold; font-style: italic;"><a href="https://commons.wikimedia.org/wiki/Category:Gravity_hills" class="extiw" title="commons:Category:Gravity hills">Gravity hills</a></span>.</div></div> </div> <ul><li><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDunning2011" class="citation web cs1"><a href="/wiki/Brian_Dunning_(author)" title="Brian Dunning (author)">Dunning, Brian</a> 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href="/wiki/Template:Optical_illusions" title="Template:Optical illusions"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Optical_illusions" title="Template talk:Optical illusions"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Optical_illusions" title="Special:EditPage/Template:Optical illusions"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Optical_illusions_(list)" style="font-size:114%;margin:0 4em"><a href="/wiki/Optical_illusion" title="Optical illusion">Optical illusions</a> (<a href="/wiki/List_of_optical_illusions" title="List of optical illusions">list</a>)</div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">Illusions</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Afterimage" title="Afterimage">Afterimage</a></li> <li><a href="/wiki/Ambigram" title="Ambigram">Ambigram</a></li> <li><a href="/wiki/Ambiguous_image" title="Ambiguous image">Ambiguous image</a></li> <li><a href="/wiki/Ames_room" title="Ames room">Ames room</a></li> <li><a href="/wiki/Autostereogram" title="Autostereogram">Autostereogram</a></li> <li><a href="/wiki/Barberpole_illusion" title="Barberpole illusion">Barberpole</a></li> <li><a href="/wiki/Bezold_effect" title="Bezold effect">Bezold</a></li> <li><a href="/wiki/Caf%C3%A9_wall_illusion" title="Café wall illusion">Café wall</a></li> <li><a href="/wiki/Checker_shadow_illusion" title="Checker shadow illusion">Checker shadow</a></li> <li><a href="/wiki/Chubb_illusion" title="Chubb illusion">Chubb</a></li> <li><a href="/wiki/Cornsweet_illusion" title="Cornsweet illusion">Cornsweet</a></li> <li><a href="/wiki/Delboeuf_illusion" title="Delboeuf illusion">Delboeuf</a></li> <li><a href="/wiki/Ebbinghaus_illusion" title="Ebbinghaus illusion">Ebbinghaus</a></li> <li><a href="/wiki/Ehrenstein_illusion" title="Ehrenstein illusion">Ehrenstein</a></li> <li><a href="/wiki/Flash_lag_illusion" title="Flash lag illusion">Flash lag</a></li> <li><a href="/wiki/Fraser_spiral_illusion" title="Fraser spiral illusion">Fraser spiral</a></li> <li><a class="mw-selflink selflink">Gravity hill</a></li> <li><a href="/wiki/Grid_illusion" title="Grid illusion">Grid</a></li> <li><a href="/wiki/Hering_illusion" title="Hering illusion">Hering</a></li> <li><a href="/wiki/Impossible_trident" title="Impossible trident">Impossible trident</a></li> <li><a href="/wiki/Irradiation_illusion" title="Irradiation illusion">Irradiation</a></li> <li><a href="/wiki/Jastrow_illusion" title="Jastrow illusion">Jastrow</a></li> <li><a href="/wiki/Lilac_chaser" title="Lilac chaser">Lilac chaser</a></li> <li><a href="/wiki/Mach_bands" title="Mach bands">Mach bands</a></li> <li><a href="/wiki/McCollough_effect" title="McCollough effect">McCollough</a></li> <li><a href="/wiki/M%C3%BCller-Lyer_illusion" title="Müller-Lyer illusion">Müller-Lyer</a></li> <li><a href="/wiki/Necker_cube" title="Necker cube">Necker cube</a></li> <li><a href="/wiki/Oppel-Kundt_illusion" title="Oppel-Kundt illusion">Oppel-Kundt</a></li> <li><a href="/wiki/Orbison_illusion" title="Orbison illusion">Orbison</a></li> <li><a href="/wiki/Penrose_stairs" title="Penrose stairs">Penrose stairs</a></li> <li><a href="/wiki/Penrose_triangle" title="Penrose triangle">Penrose triangle</a></li> <li><a href="/wiki/Peripheral_drift_illusion" title="Peripheral drift illusion">Peripheral drift</a></li> <li><a href="/wiki/Poggendorff_illusion" title="Poggendorff illusion">Poggendorff</a></li> <li><a href="/wiki/Ponzo_illusion" title="Ponzo illusion">Ponzo</a></li> <li><a href="/wiki/Rubin_vase" title="Rubin vase">Rubin vase</a></li> <li><a href="/wiki/Sander_illusion" title="Sander illusion">Sander</a></li> <li><a href="/wiki/Schroeder_stairs" title="Schroeder stairs">Schroeder stairs</a></li> <li><a href="/wiki/Shepard_tables" title="Shepard tables">Shepard tables</a></li> <li><a href="/wiki/Spinning_dancer" title="Spinning dancer">Spinning dancer</a></li> <li><a href="/wiki/Ternus_illusion" title="Ternus illusion">Ternus</a></li> <li><a href="/wiki/Vertical%E2%80%93horizontal_illusion" title="Vertical–horizontal illusion">Vertical–horizontal</a></li> <li><a href="/wiki/White%27s_illusion" title="White's illusion">White's</a></li> <li><a href="/wiki/Wundt_illusion" title="Wundt illusion">Wundt</a></li> <li><a href="/wiki/Z%C3%B6llner_illusion" title="Zöllner illusion">Zöllner</a></li></ul> </div></td><td class="noviewer navbox-image" rowspan="3" style="width:1px;padding:0 0 0 2px"><div><span typeof="mw:File"><a href="/wiki/File:Optical_Illustion-Ambiguous_Patterns.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Optical_Illustion-Ambiguous_Patterns.svg/30px-Optical_Illustion-Ambiguous_Patterns.svg.png" decoding="async" width="30" height="112" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/51/Optical_Illustion-Ambiguous_Patterns.svg/45px-Optical_Illustion-Ambiguous_Patterns.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/51/Optical_Illustion-Ambiguous_Patterns.svg/60px-Optical_Illustion-Ambiguous_Patterns.svg.png 2x" data-file-width="117" data-file-height="438" /></a></span></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Popular culture</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Op_art" title="Op art">Op art</a></li> <li><i><a href="/wiki/Trompe-l%27%C5%93il" title="Trompe-l'œil">Trompe-l'œil</a></i></li> <li><i><a href="/wiki/Spectropia" title="Spectropia">Spectropia</a></i> (1864 book)</li> <li><i><a href="/wiki/Ascending_and_Descending" title="Ascending and Descending">Ascending and Descending</a></i> (1960 drawing)</li> <li><i><a href="/wiki/Waterfall_(M._C._Escher)" title="Waterfall (M. C. Escher)">Waterfall</a></i> (1961 drawing)</li> <li><i><a href="/wiki/The_dress" title="The dress">The dress</a></i> (2015 photograph)</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Related</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Accidental_viewpoint" title="Accidental viewpoint">Accidental viewpoint</a></li> <li><a href="/wiki/Auditory_illusion" title="Auditory illusion">Auditory illusions</a></li> <li><a href="/wiki/Illusion" title="Illusion">Illusions</a></li> <li><a href="/wiki/Tactile_illusion" title="Tactile illusion">Tactile illusions</a></li> <li><a href="/wiki/Time_perception" title="Time perception">Temporal illusion</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Gravity_hill&oldid=1240266995">https://en.wikipedia.org/w/index.php?title=Gravity_hill&oldid=1240266995</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:Gravity_hills" title="Category:Gravity hills">Gravity hills</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden categories: <ul><li><a href="/wiki/Category:CS1_maint:_bot:_original_URL_status_unknown" title="Category:CS1 maint: bot: original URL status unknown">CS1 maint: bot: original URL status unknown</a></li><li><a href="/wiki/Category:Articles_with_short_description" title="Category:Articles with short description">Articles with short description</a></li><li><a href="/wiki/Category:Short_description_is_different_from_Wikidata" title="Category:Short description is different from Wikidata">Short description is different from Wikidata</a></li><li><a href="/wiki/Category:Commons_category_link_from_Wikidata" title="Category:Commons category link from Wikidata">Commons category link from Wikidata</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> This page was last edited on 14 August 2024, at 13:20<span class="anonymous-show"> (UTC)</span>.</li> <li id="footer-info-copyright">Text is available under the <a href="/wiki/Wikipedia:Text_of_the_Creative_Commons_Attribution-ShareAlike_4.0_International_License" title="Wikipedia:Text of the Creative Commons Attribution-ShareAlike 4.0 International License">Creative Commons Attribution-ShareAlike 4.0 License</a>; additional terms may apply. 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