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[o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Skrá inn</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Síður fyrir útskráða notendur <a href="/wiki/Hj%C3%A1lp:Introduction" aria-label="Læra meira um breytingar"><span>Læra meira</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Framl%C3%B6g_m%C3%ADn" title="Listi yfir breytingar frá þessu IP-staðfangi [y]" accesskey="y"><span>Framlög</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Spjallas%C3%AD%C3%B0a_m%C3%ADn" title="Spjall um breytingar frá þessu IP-staðfangi [n]" accesskey="n"><span>Spjall</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Vefsíða"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-namespace">Gátt</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Raunvísindi</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Fara á grein á öðru tungumáli. Til staðar á 101 tungumáli" > <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-101" 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">101 tungumál</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Portal:Wisseschaft" title="Portal:Wisseschaft – svissnesk þýska" lang="gsw" hreflang="gsw" data-title="Portal:Wisseschaft" data-language-autonym="Alemannisch" data-language-local-name="svissnesk þýska" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8B%8D%E1%8A%AD%E1%8D%94%E1%8B%B2%E1%8B%AB:%E1%88%B3%E1%8B%AD%E1%8A%95%E1%88%B5" title="ውክፔዲያ:ሳይንስ – amharíska" lang="am" hreflang="am" data-title="ውክፔዲያ:ሳይንስ" data-language-autonym="አማርኛ" data-language-local-name="amharíska" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-ar badge-Q17580674 badge-featuredportal mw-list-item" title="featured portal badge"><a href="https://ar.wikipedia.org/wiki/%D8%A8%D9%88%D8%A7%D8%A8%D8%A9:%D8%B9%D9%84%D9%88%D9%85" title="بوابة:علوم – arabíska" lang="ar" hreflang="ar" data-title="بوابة:علوم" data-language-autonym="العربية" data-language-local-name="arabíska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%82%D9%8A%D8%B3%D8%A7%D8%B1%D9%8A%D8%A9:%D8%B5%D9%8A%D9%88%D9%86%D8%B5" title="قيسارية:صيونص – Moroccan Arabic" lang="ary" hreflang="ary" data-title="قيسارية:صيونص" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%A8%D9%88%D8%A7%D8%A8%D8%A9:%D8%B9%D9%84%D9%88%D9%85" title="بوابة:علوم – Egyptian Arabic" lang="arz" hreflang="arz" data-title="بوابة:علوم" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Portal:Elm" title="Portal:Elm – aserska" lang="az" hreflang="az" data-title="Portal:Elm" data-language-autonym="Azərbaycanca" data-language-local-name="aserska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%BE%D9%88%D9%92%D8%B1%D8%AA%D8%A7%D9%84:%D8%B9%D9%84%D9%85" title="پوْرتال:علم – South Azerbaijani" lang="azb" hreflang="azb" data-title="پوْرتال:علم" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%A4%D3%99%D0%BD" title="Портал:Фән – baskír" lang="ba" hreflang="ba" data-title="Портал:Фән" data-language-autonym="Башҡортса" data-language-local-name="baskír" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Portal:Wissnschoft" title="Portal:Wissnschoft – Bavarian" lang="bar" hreflang="bar" data-title="Portal:Wissnschoft" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Portal:Siyensya" title="Portal:Siyensya – Central Bikol" lang="bcl" hreflang="bcl" data-title="Portal:Siyensya" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D0%B0%D1%80%D1%82%D0%B0%D0%BB:%D0%9D%D0%B0%D0%B2%D1%83%D0%BA%D0%B0" title="Партал:Навука – hvítrússneska" lang="be" hreflang="be" data-title="Партал:Навука" data-language-autonym="Беларуская" data-language-local-name="hvítrússneska" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9F%D0%B0%D1%80%D1%82%D0%B0%D0%BB:%D0%9D%D0%B0%D0%B2%D1%83%D0%BA%D0%B0" title="Партал:Навука – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Партал:Навука" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%9D%D0%B0%D1%83%D0%BA%D0%B0" title="Портал:Наука – búlgarska" lang="bg" hreflang="bg" data-title="Портал:Наука" data-language-autonym="Български" data-language-local-name="búlgarska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A6%AC%E0%A7%87%E0%A6%B6%E0%A6%A6%E0%A7%8D%E0%A6%AC%E0%A6%BE%E0%A6%B0:%E0%A6%AC%E0%A6%BF%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A8" title="প্রবেশদ্বার:বিজ্ঞান – bengalska" lang="bn" hreflang="bn" data-title="প্রবেশদ্বার:বিজ্ঞান" data-language-autonym="বাংলা" data-language-local-name="bengalska" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bpy mw-list-item"><a href="https://bpy.wikipedia.org/wiki/%E0%A6%B9%E0%A6%AE%E0%A6%BF%E0%A6%B2%E0%A6%A6%E0%A7%81%E0%A7%B1%E0%A6%BE%E0%A6%B0:%E0%A6%AC%E0%A6%BF%E0%A6%9C%E0%A7%8D%E0%A6%9E%E0%A6%BE%E0%A6%A8" title="হমিলদুৱার:বিজ্ঞান – Bishnupriya" lang="bpy" hreflang="bpy" data-title="হমিলদুৱার:বিজ্ঞান" data-language-autonym="বিষ্ণুপ্রিয়া মণিপুরী" data-language-local-name="Bishnupriya" class="interlanguage-link-target"><span>বিষ্ণুপ্রিয়া মণিপুরী</span></a></li><li class="interlanguage-link interwiki-btm mw-list-item"><a href="https://btm.wikipedia.org/wiki/Portal:Elmu" title="Portal:Elmu – Batak Mandailing" lang="btm" hreflang="btm" data-title="Portal:Elmu" data-language-autonym="Batak Mandailing" data-language-local-name="Batak Mandailing" class="interlanguage-link-target"><span>Batak Mandailing</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Portal:Ci%C3%A8ncia" title="Portal:Ciència – katalónska" lang="ca" hreflang="ca" data-title="Portal:Ciència" data-language-autonym="Català" data-language-local-name="katalónska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/%D0%9A%D0%BE%D0%B2:%D3%80%D0%B8%D0%BB%D0%BC%D0%B0" title="Ков:Ӏилма – tsjetsjenska" lang="ce" hreflang="ce" data-title="Ков:Ӏилма" data-language-autonym="Нохчийн" data-language-local-name="tsjetsjenska" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Ganghaan:Kaalamdag" title="Ganghaan:Kaalamdag – kebúanó" lang="ceb" hreflang="ceb" data-title="Ganghaan:Kaalamdag" data-language-autonym="Cebuano" data-language-local-name="kebúanó" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AF%DB%95%D8%B1%D9%88%D8%A7%D8%B2%DB%95:%D8%B2%D8%A7%D9%86%D8%B3%D8%AA" title="دەروازە:زانست – miðkúrdíska" lang="ckb" hreflang="ckb" data-title="دەروازە:زانست" data-language-autonym="کوردی" data-language-local-name="miðkúrdíska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Portal:Wissenschaft" title="Portal:Wissenschaft – þýska" lang="de" hreflang="de" data-title="Portal:Wissenschaft" data-language-autonym="Deutsch" data-language-local-name="þýska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Portal:Zan%C4%B1%C5%9Fiye" title="Portal:Zanışiye – Zazaki" lang="diq" hreflang="diq" data-title="Portal:Zanışiye" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%82%DE%AC%DE%83%DE%AA:%DE%87%DE%AA%DE%8D%DE%AB%DE%89%DE%AA" title="ނެރު:އުލޫމު – dívehí" lang="dv" hreflang="dv" data-title="ނެރު:އުލޫމު" data-language-autonym="ދިވެހިބަސް" data-language-local-name="dívehí" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CF%8D%CE%BB%CE%B7:%CE%95%CF%80%CE%B9%CF%83%CF%84%CE%AE%CE%BC%CE%B7" title="Πύλη:Επιστήμη – gríska" lang="el" hreflang="el" data-title="Πύλη:Επιστήμη" data-language-autonym="Ελληνικά" data-language-local-name="gríska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Portal:Science" title="Portal:Science – enska" lang="en" hreflang="en" data-title="Portal:Science" data-language-autonym="English" data-language-local-name="enska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Portal:Ciencia" title="Portal:Ciencia – spænska" lang="es" hreflang="es" data-title="Portal:Ciencia" data-language-autonym="Español" data-language-local-name="spænska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Portaal:Loodusteadused" title="Portaal:Loodusteadused – eistneska" lang="et" hreflang="et" data-title="Portaal:Loodusteadused" data-language-autonym="Eesti" data-language-local-name="eistneska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fa badge-Q17580674 badge-featuredportal mw-list-item" title="featured portal badge"><a href="https://fa.wikipedia.org/wiki/%D8%AF%D8%B1%DA%AF%D8%A7%D9%87:%D8%AF%D8%A7%D9%86%D8%B4" title="درگاه:دانش – persneska" lang="fa" hreflang="fa" data-title="درگاه:دانش" data-language-autonym="فارسی" data-language-local-name="persneska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Teemasivu:Tiede" title="Teemasivu:Tiede – finnska" lang="fi" hreflang="fi" data-title="Teemasivu:Tiede" data-language-autonym="Suomi" data-language-local-name="finnska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Portail:Sciences" title="Portail:Sciences – franska" lang="fr" hreflang="fr" data-title="Portail:Sciences" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Tema:Wittenskip" title="Tema:Wittenskip – vesturfrísneska" lang="fy" hreflang="fy" data-title="Tema:Wittenskip" data-language-autonym="Frysk" data-language-local-name="vesturfrísneska" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Ok%E1%BA%BDndusu:Tembikuaaty" title="Okẽndusu:Tembikuaaty – gvaraní" lang="gn" hreflang="gn" data-title="Okẽndusu:Tembikuaaty" data-language-autonym="Avañe'ẽ" data-language-local-name="gvaraní" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Kofa:Kimiyya" title="Kofa:Kimiyya – hása" lang="ha" hreflang="ha" data-title="Kofa:Kimiyya" data-language-autonym="Hausa" data-language-local-name="hása" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AA%E0%A5%8D%E0%A4%B0%E0%A4%B5%E0%A5%87%E0%A4%B6%E0%A4%A6%E0%A5%8D%E0%A4%B5%E0%A4%BE%E0%A4%B0:%E0%A4%B5%E0%A4%BF%E0%A4%9C%E0%A5%8D%E0%A4%9E%E0%A4%BE%E0%A4%A8" title="प्रवेशद्वार:विज्ञान – hindí" lang="hi" hreflang="hi" data-title="प्रवेशद्वार:विज्ञान" data-language-autonym="हिन्दी" data-language-local-name="hindí" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Portal:Scientia" title="Portal:Scientia – interlingua" lang="ia" hreflang="ia" data-title="Portal:Scientia" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Portal:Ilmu" title="Portal:Ilmu – indónesíska" lang="id" hreflang="id" data-title="Portal:Ilmu" data-language-autonym="Bahasa Indonesia" data-language-local-name="indónesíska" 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/Portale:Scienza_e_tecnica" title="Portale:Scienza e tecnica – ítalska" lang="it" hreflang="it" data-title="Portale:Scienza e tecnica" data-language-autonym="Italiano" data-language-local-name="ítalska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Portal:%E8%87%AA%E7%84%B6%E7%A7%91%E5%AD%A6" title="Portal:自然科学 – japanska" lang="ja" hreflang="ja" data-title="Portal:自然科学" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9E%E1%83%9D%E1%83%A0%E1%83%A2%E1%83%90%E1%83%9A%E1%83%98:%E1%83%9B%E1%83%94%E1%83%AA%E1%83%9C%E1%83%98%E1%83%94%E1%83%A0%E1%83%94%E1%83%91%E1%83%90" title="პორტალი:მეცნიერება – georgíska" lang="ka" hreflang="ka" data-title="პორტალი:მეცნიერება" data-language-autonym="ქართული" data-language-local-name="georgíska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ki mw-list-item"><a href="https://ki.wikipedia.org/wiki/Portal:Science" title="Portal:Science – kíkújú" lang="ki" hreflang="ki" data-title="Portal:Science" data-language-autonym="Gĩkũyũ" data-language-local-name="kíkújú" class="interlanguage-link-target"><span>Gĩkũyũ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D2%92%D1%8B%D0%BB%D1%8B%D0%BC" title="Портал:Ғылым – kasakska" lang="kk" hreflang="kk" data-title="Портал:Ғылым" data-language-autonym="Қазақша" data-language-local-name="kasakska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%8F%AC%ED%84%B8:%EA%B3%BC%ED%95%99" title="포털:과학 – kóreska" lang="ko" hreflang="ko" data-title="포털:과학" data-language-autonym="한국어" data-language-local-name="kóreska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/Wikipedia:Pooz/We%C3%9F%C3%9Feschaaf_%26_Teschnigk" title="Wikipedia:Pooz/Weßßeschaaf & Teschnigk – kölníska" lang="ksh" hreflang="ksh" data-title="Wikipedia:Pooz/Weßßeschaaf & Teschnigk" data-language-autonym="Ripoarisch" data-language-local-name="kölníska" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Portal:Zanist" title="Portal:Zanist – kúrdíska" lang="ku" hreflang="ku" data-title="Portal:Zanist" data-language-autonym="Kurdî" data-language-local-name="kúrdíska" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Portal:W%C3%ABssenschaft" title="Portal:Wëssenschaft – lúxemborgíska" lang="lb" hreflang="lb" data-title="Portal:Wëssenschaft" data-language-autonym="Lëtzebuergesch" data-language-local-name="lúxemborgíska" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Portaol:Exakte_weitesjappe" title="Portaol:Exakte weitesjappe – limbúrgíska" lang="li" hreflang="li" data-title="Portaol:Exakte weitesjappe" data-language-autonym="Limburgs" data-language-local-name="limbúrgíska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Port%C4%81ls:Zin%C4%81tne" title="Portāls:Zinātne – lettneska" lang="lv" hreflang="lv" data-title="Portāls:Zinātne" data-language-autonym="Latviešu" data-language-local-name="lettneska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%9D%D0%B0%D1%83%D0%BA%D0%B0" title="Портал:Наука – makedónska" lang="mk" hreflang="mk" data-title="Портал:Наука" data-language-autonym="Македонски" data-language-local-name="makedónska" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%91%D2%AF%D0%BB%D0%B3%D1%8D%D0%BC:%D0%A8%D0%B8%D0%BD%D0%B6%D0%BB%D1%8D%D1%85_%D1%83%D1%85%D0%B0%D0%B0%D0%BD" title="Бүлгэм:Шинжлэх ухаан – mongólska" lang="mn" hreflang="mn" data-title="Бүлгэм:Шинжлэх ухаан" data-language-autonym="Монгол" data-language-local-name="mongólska" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mnw mw-list-item"><a href="https://mnw.wikipedia.org/wiki/%E1%80%95%E1%80%AB%E1%80%84%E1%80%BA%E1%80%99%E1%80%AF%E1%80%80%E1%80%BA:%E1%80%9E%E1%80%AD%E1%80%95%E1%80%B9%E1%80%95%E1%80%B6" title="ပါင်မုက်:သိပ္ပံ – Mon" lang="mnw" hreflang="mnw" data-title="ပါင်မုက်:သိပ္ပံ" data-language-autonym="ဘာသာမန်" data-language-local-name="Mon" class="interlanguage-link-target"><span>ဘာသာမန်</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Portal:Sains" title="Portal:Sains – malaíska" lang="ms" hreflang="ms" data-title="Portal:Sains" data-language-autonym="Bahasa Melayu" data-language-local-name="malaíska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%99%E1%80%AF%E1%80%81%E1%80%BA%E1%80%9D:%E1%80%9E%E1%80%AD%E1%80%95%E1%80%B9%E1%80%95%E1%80%B6" title="မုခ်ဝ:သိပ္ပံ – búrmneska" lang="my" hreflang="my" data-title="မုခ်ဝ:သိပ္ပံ" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="búrmneska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Portal:Wetenschop_un_Technik" title="Portal:Wetenschop un Technik – lágþýska; lágsaxneska" lang="nds" hreflang="nds" data-title="Portal:Wetenschop un Technik" data-language-autonym="Plattdüütsch" data-language-local-name="lágþýska; lágsaxneska" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nia mw-list-item"><a href="https://nia.wikipedia.org/wiki/Portal:Hukum" title="Portal:Hukum – nías" lang="nia" hreflang="nia" data-title="Portal:Hukum" data-language-autonym="Li Niha" data-language-local-name="nías" class="interlanguage-link-target"><span>Li Niha</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Portaal:Wetenschap_%26_Technologie" title="Portaal:Wetenschap & Technologie – hollenska" lang="nl" hreflang="nl" data-title="Portaal:Wetenschap & Technologie" data-language-autonym="Nederlands" data-language-local-name="hollenska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Tema:Vitskap" title="Tema:Vitskap – nýnorska" lang="nn" hreflang="nn" data-title="Tema:Vitskap" data-language-autonym="Norsk nynorsk" data-language-local-name="nýnorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Portal:Vitenskap" title="Portal:Vitenskap – norskt bókmál" lang="nb" hreflang="nb" data-title="Portal:Vitenskap" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bókmál" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Portal:Sci%C3%A9ncias" title="Portal:Sciéncias – oksítaníska" lang="oc" hreflang="oc" data-title="Portal:Sciéncias" data-language-autonym="Occitan" data-language-local-name="oksítaníska" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Poortaalii:Saayinsii" title="Poortaalii:Saayinsii – oromo" lang="om" hreflang="om" data-title="Poortaalii:Saayinsii" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%AA%E0%AD%8B%E0%AC%B0%E0%AD%8D%E0%AC%9F%E0%AC%BE%E0%AC%B2:%E0%AC%AC%E0%AC%BF%E0%AC%9C%E0%AD%8D%E0%AC%9E%E0%AC%BE%E0%AC%A8" title="ପୋର୍ଟାଲ:ବିଜ୍ଞାନ – óría" lang="or" hreflang="or" data-title="ପୋର୍ଟାଲ:ବିଜ୍ଞାନ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="óría" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AB%E0%A8%BE%E0%A8%9F%E0%A8%95:%E0%A8%B5%E0%A8%BF%E0%A8%97%E0%A8%BF%E0%A8%86%E0%A8%A8_%E0%A8%85%E0%A8%A4%E0%A9%87_%E0%A8%97%E0%A8%A3%E0%A8%BF%E0%A8%A4" title="ਫਾਟਕ:ਵਿਗਿਆਨ ਅਤੇ ਗਣਿਤ – púnjabí" lang="pa" hreflang="pa" data-title="ਫਾਟਕ:ਵਿਗਿਆਨ ਅਤੇ ਗਣਿਤ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="púnjabí" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pam badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://pam.wikipedia.org/wiki/Portal:Science" title="Portal:Science – pampanga" lang="pam" hreflang="pam" data-title="Portal:Science" data-language-autonym="Kapampangan" data-language-local-name="pampanga" class="interlanguage-link-target"><span>Kapampangan</span></a></li><li class="interlanguage-link interwiki-pcd mw-list-item"><a href="https://pcd.wikipedia.org/wiki/Portal:Sienches" title="Portal:Sienches – Picard" lang="pcd" hreflang="pcd" data-title="Portal:Sienches" data-language-autonym="Picard" data-language-local-name="Picard" class="interlanguage-link-target"><span>Picard</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%A8%D9%88%D8%A2:%D8%B3%D8%A7%D8%A6%DB%8C%D9%86%D8%B3" title="بوآ:سائینس – Western Punjabi" lang="pnb" hreflang="pnb" data-title="بوآ:سائینس" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%AA%D8%A7%D9%86%D8%A8%D9%87:%D9%BE%D9%88%D9%87%D9%87" title="تانبه:پوهه – pastú" lang="ps" hreflang="ps" data-title="تانبه:پوهه" data-language-autonym="پښتو" data-language-local-name="pastú" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt badge-Q17580674 badge-featuredportal mw-list-item" title="featured portal badge"><a href="https://pt.wikipedia.org/wiki/Portal:Ci%C3%AAncia" title="Portal:Ciência – portúgalska" lang="pt" hreflang="pt" data-title="Portal:Ciência" data-language-autonym="Português" data-language-local-name="portúgalska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Punku_p%27anqa:_Yachay" title="Punku p'anqa: Yachay – kvesjúa" lang="qu" hreflang="qu" data-title="Punku p'anqa: Yachay" data-language-autonym="Runa Simi" data-language-local-name="kvesjúa" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Portal:%C8%98tiin%C8%9B%C4%83" title="Portal:Știință – rúmenska" lang="ro" hreflang="ro" data-title="Portal:Știință" data-language-autonym="Română" data-language-local-name="rúmenska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%9D%D0%B0%D1%83%D0%BA%D0%B0" title="Портал:Наука – rússneska" lang="ru" hreflang="ru" data-title="Портал:Наука" data-language-autonym="Русский" data-language-local-name="rússneska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%A8%D8%A7%D8%A8:%D8%B3%D8%A7%D8%A6%D9%86%D8%B3" title="باب:سائنس – sindí" lang="sd" hreflang="sd" data-title="باب:سائنس" data-language-autonym="سنڌي" data-language-local-name="sindí" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-shi mw-list-item"><a href="https://shi.wikipedia.org/wiki/Aggur:Timassanin" title="Aggur:Timassanin – tachelhit" lang="shi" hreflang="shi" data-title="Aggur:Timassanin" data-language-autonym="Taclḥit" data-language-local-name="tachelhit" class="interlanguage-link-target"><span>Taclḥit</span></a></li><li class="interlanguage-link interwiki-shn mw-list-item"><a href="https://shn.wikipedia.org/wiki/%E1%81%B5%E1%80%AD%E1%80%B0%E1%81%BC%E1%80%BA%E1%82%87%E1%80%90%E1%80%B0:Science" title="ၵိူၼ်ႇတူ:Science – sjan" lang="shn" hreflang="shn" data-title="ၵိူၼ်ႇတူ:Science" data-language-autonym="ၽႃႇသႃႇတႆး " data-language-local-name="sjan" class="interlanguage-link-target"><span>ၽႃႇသႃႇတႆး </span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%AF%E0%B7%8A%E0%B7%80%E0%B7%8F%E0%B6%BB%E0%B6%BA:%E0%B6%B1%E0%B7%80%E0%B7%93%E0%B6%B1_%E0%B7%80%E0%B7%92%E0%B6%AF%E0%B7%8A%E2%80%8D%E0%B6%BA%E0%B7%8F%E0%B7%80" title="ද්වාරය:නවීන විද්‍යාව – singalíska" lang="si" hreflang="si" data-title="ද්වාරය:නවීන විද්‍යාව" data-language-autonym="සිංහල" data-language-local-name="singalíska" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Portal:Znanost" title="Portal:Znanost – slóvenska" lang="sl" hreflang="sl" data-title="Portal:Znanost" data-language-autonym="Slovenščina" data-language-local-name="slóvenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Ungamo:Sainzi" title="Ungamo:Sainzi – shona" lang="sn" hreflang="sn" data-title="Ungamo:Sainzi" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Portal:Saynis" title="Portal:Saynis – sómalska" lang="so" hreflang="so" data-title="Portal:Saynis" data-language-autonym="Soomaaliga" data-language-local-name="sómalska" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Portal:Shkenc%C3%AB" title="Portal:Shkencë – albanska" lang="sq" hreflang="sq" data-title="Portal:Shkencë" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Portoal:Wietenskup" title="Portoal:Wietenskup – Saterland Frisian" lang="stq" hreflang="stq" data-title="Portoal:Wietenskup" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Portal:Naturvetenskap" title="Portal:Naturvetenskap – sænska" lang="sv" hreflang="sv" data-title="Portal:Naturvetenskap" data-language-autonym="Svenska" data-language-local-name="sænska" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Lango:Sayansi" title="Lango:Sayansi – svahílí" lang="sw" hreflang="sw" data-title="Lango:Sayansi" data-language-autonym="Kiswahili" data-language-local-name="svahílí" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B5%E0%AE%B2%E0%AF%88%E0%AE%B5%E0%AE%BE%E0%AE%9A%E0%AE%B2%E0%AF%8D:%E0%AE%85%E0%AE%B1%E0%AE%BF%E0%AE%B5%E0%AE%BF%E0%AE%AF%E0%AE%B2%E0%AF%8D" title="வலைவாசல்:அறிவியல் – tamílska" lang="ta" hreflang="ta" data-title="வலைவாசல்:அறிவியல்" data-language-autonym="தமிழ்" data-language-local-name="tamílska" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B5%E0%B1%87%E0%B0%A6%E0%B0%BF%E0%B0%95:%E0%B0%B5%E0%B0%BF%E0%B0%9C%E0%B1%8D%E0%B0%9E%E0%B0%BE%E0%B0%A8%E0%B0%B6%E0%B0%BE%E0%B0%B8%E0%B1%8D%E0%B0%A4%E0%B1%8D%E0%B0%B0%E0%B0%AE%E0%B1%81" title="వేదిక:విజ్ఞానశాస్త్రము – telúgú" lang="te" hreflang="te" data-title="వేదిక:విజ్ఞానశాస్త్రము" data-language-autonym="తెలుగు" data-language-local-name="telúgú" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%98%D0%BB%D0%BC" title="Портал:Илм – tadsjikska" lang="tg" hreflang="tg" data-title="Портал:Илм" data-language-autonym="Тоҷикӣ" data-language-local-name="tadsjikska" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%96%E0%B8%B2%E0%B8%99%E0%B8%B5%E0%B8%A2%E0%B9%88%E0%B8%AD%E0%B8%A2:%E0%B8%A7%E0%B8%B4%E0%B8%97%E0%B8%A2%E0%B8%B2%E0%B8%A8%E0%B8%B2%E0%B8%AA%E0%B8%95%E0%B8%A3%E0%B9%8C" title="สถานีย่อย:วิทยาศาสตร์ – taílenska" lang="th" hreflang="th" data-title="สถานีย่อย:วิทยาศาสตร์" data-language-autonym="ไทย" data-language-local-name="taílenska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Portada:Agham" title="Portada:Agham – tagalog" lang="tl" hreflang="tl" data-title="Portada:Agham" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Portal:Bilim" title="Portal:Bilim – tyrkneska" lang="tr" hreflang="tr" data-title="Portal:Bilim" data-language-autonym="Türkçe" data-language-local-name="tyrkneska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-ts mw-list-item"><a href="https://ts.wikipedia.org/wiki/Portal:Science" title="Portal:Science – tsonga" lang="ts" hreflang="ts" data-title="Portal:Science" data-language-autonym="Xitsonga" data-language-local-name="tsonga" class="interlanguage-link-target"><span>Xitsonga</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%A4%D3%99%D0%BD" title="Портал:Фән – tatarska" lang="tt" hreflang="tt" data-title="Портал:Фән" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarska" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D9%BE%D9%88%D8%B1%D8%AA%D8%A7%D9%84:%D8%A8%D9%89%D9%84%D9%89%D9%85" title="پورتال:بىلىم – úígúr" lang="ug" hreflang="ug" data-title="پورتال:بىلىم" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="úígúr" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D0%BE%D1%80%D1%82%D0%B0%D0%BB:%D0%9D%D0%B0%D1%83%D0%BA%D0%B0" title="Портал:Наука – úkraínska" lang="uk" hreflang="uk" data-title="Портал:Наука" data-language-autonym="Українська" data-language-local-name="úkraínska" 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/%D8%A8%D8%A7%D8%A8:%D8%B3%D8%A7%D8%A6%D9%86%D8%B3" title="باب:سائنس – úrdú" lang="ur" hreflang="ur" data-title="باب:سائنس" data-language-autonym="اردو" data-language-local-name="úrdú" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Portal:Fan" title="Portal:Fan – úsbekska" lang="uz" hreflang="uz" data-title="Portal:Fan" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="úsbekska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/C%E1%BB%95ng_th%C3%B4ng_tin:Khoa_h%E1%BB%8Dc" title="Cổng thông tin:Khoa học – víetnamska" lang="vi" hreflang="vi" data-title="Cổng thông tin:Khoa học" data-language-autonym="Tiếng Việt" data-language-local-name="víetnamska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wo mw-list-item"><a href="https://wo.wikipedia.org/wiki/Bunt:_Xarala" title="Bunt: Xarala – volof" lang="wo" hreflang="wo" data-title="Bunt: Xarala" data-language-autonym="Wolof" data-language-local-name="volof" class="interlanguage-link-target"><span>Wolof</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/Portal:%E7%A7%91%E5%AD%A6" title="Portal:科学 – wu-kínverska" lang="wuu" hreflang="wuu" data-title="Portal:科学" data-language-autonym="吴语" data-language-local-name="wu-kínverska" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A4%D7%90%D7%A8%D7%98%D7%90%D7%9C:%D7%95%D7%95%D7%99%D7%A1%D7%A0%D7%A9%D7%90%D7%A4%D7%98" title="פארטאל:וויסנשאפט – jiddíska" lang="yi" hreflang="yi" data-title="פארטאל:וויסנשאפט" data-language-autonym="ייִדיש" data-language-local-name="jiddíska" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Portal:%E7%A7%91%E5%AD%B8" title="Portal:科學 – kínverska" lang="zh" hreflang="zh" data-title="Portal:科學" data-language-autonym="中文" data-language-local-name="kínverska" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%96%80:%E7%B6%93" title="門:經 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="門:經" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Portal:Kho-ha%CC%8Dk" title="Portal:Kho-ha̍k – Minnan" lang="nan" hreflang="nan" data-title="Portal:Kho-ha̍k" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/Portal:%E7%A7%91%E5%AD%B8" title="Portal:科學 – kantónska" lang="yue" hreflang="yue" data-title="Portal:科學" data-language-autonym="粵語" data-language-local-name="kantónska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Portal:Isayensi" title="Portal:Isayensi – súlú" lang="zu" hreflang="zu" data-title="Portal:Isayensi" data-language-autonym="IsiZulu" data-language-local-name="súlú" class="interlanguage-link-target"><span>IsiZulu</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/Q4541810#sitelinks-wikipedia" title="Breyta tungumálatenglum" class="wbc-editpage">Breyta tenglum</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Nafnrými"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-gátt" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/G%C3%A1tt:Raunv%C3%ADsindi" title="Skoða síðu viðfangsefnis [c]" accesskey="c"><span>Gátt</span></a></li><li id="ca-talk" class="new 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vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Verkfæri</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">fela</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Fleiri valkostir" > <div class="vector-menu-heading"> Aðgerðir </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected 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id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:N%C3%BDlegar_breytingar_tengdar/G%C3%A1tt:Raunv%C3%ADsindi" rel="nofollow" title="Nýlegar breytingar á ítengdum síðum [k]" accesskey="k"><span>Skyldar breytingar</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:Hlaða_inn_skrá" title="Hlaða inn skrám [u]" accesskey="u"><span>Hlaða inn skrá</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Kerfiss%C3%AD%C3%B0ur" title="Listi yfir kerfissíður [q]" accesskey="q"><span>Kerfissíður</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=G%C3%A1tt:Raunv%C3%ADsindi&oldid=1410213" title="Varanlegur tengill í þessa útgáfu síðunnar"><span>Varanlegur tengill</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=G%C3%A1tt:Raunv%C3%ADsindi&action=info" title="Frekari upplýsingar um þessa síðu"><span>Síðuupplýsingar</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:UrlShortener&url=https%3A%2F%2Fis.wikipedia.org%2Fwiki%2FG%25C3%25A1tt%3ARaunv%25C3%25ADsindi"><span>Fá styttan tengil</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:QrCode&url=https%3A%2F%2Fis.wikipedia.org%2Fwiki%2FG%25C3%25A1tt%3ARaunv%25C3%25ADsindi"><span>Niðurhlaða QR-kóða</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Prenta/flytja út </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:Book&bookcmd=book_creator&referer=G%C3%A1tt%3ARaunv%C3%ADsindi"><span>Búa til bók</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:DownloadAsPdf&page=G%C3%A1tt%3ARaunv%C3%ADsindi&action=show-download-screen"><span>Sækja sem PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=G%C3%A1tt:Raunv%C3%ADsindi&printable=yes" title="Prentanleg útgáfa af þessari síðu [p]" accesskey="p"><span>Prentvæn útgáfa</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Í öðrum verkefnum </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q4541810" title="Tengill á tengdan hlut í gagnagrunni [g]" accesskey="g"><span>Wikidata hlutur</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Síðuverkfæri"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Útlit"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Útlit</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">fela</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Úr Wikipediu, frjálsa alfræðiritinu</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="is" dir="ltr"><table align="center" style="border: 0; background-color: #ffffff" cellpadding="0" cellspacing="10" width="100%"> <tbody><tr> <td colspan="2" style="border:1px solid #aaa; background-color: white;"> <div style="background-color:#E0E0E0; font-size:1px; height:8px; border-bottom:1px solid #aaa;"></div> <table border="0" cellpadding="5" cellspacing="0" width="90%" align="center" style="text-align: center; margin-bottom: 2px;"> <tbody><tr> <td><div style="text-align:center;"><span style="float:centre; font-size:14pt"><b>Velkomin á raunvísindagáttina!</b></span></div> <p><br /> </p> <div style="text-align:center;">Gáttinni er í senn ætlað að vera eins konar forsíða að efni um raun- og náttúruvísindi á Wikipediu og um leið vettvangur samstarfs um vísindalegt efni í alfræðiritinu.<br /> <a href="/wiki/St%C3%A6r%C3%B0fr%C3%A6%C3%B0i" title="Stærðfræði">stærðfræði</a> • <a href="/wiki/E%C3%B0lisfr%C3%A6%C3%B0i" title="Eðlisfræði">eðlisfræði</a> • <a href="/wiki/Efnafr%C3%A6%C3%B0i" title="Efnafræði">efnafræði</a> • <a href="/wiki/L%C3%ADffr%C3%A6%C3%B0i" title="Líffræði">líffræði</a> • <a href="/wiki/Erf%C3%B0afr%C3%A6%C3%B0i" title="Erfðafræði">erfðafræði</a> • <a href="/wiki/Grasafr%C3%A6%C3%B0i" title="Grasafræði">grasafræði</a> • <a href="/wiki/D%C3%BDrafr%C3%A6%C3%B0i" title="Dýrafræði">dýrafræði</a> • <a href="/wiki/Vistfr%C3%A6%C3%B0i" title="Vistfræði">vistfræði</a> • <a href="/wiki/Landfr%C3%A6%C3%B0i" title="Landfræði">landfræði</a> • <a href="/wiki/Jar%C3%B0v%C3%ADsindi" title="Jarðvísindi">jarðvísindi</a> • <a href="/wiki/Stjarnv%C3%ADsindi" class="mw-redirect" title="Stjarnvísindi">stjarnvísindi</a> • <a href="/wiki/Verkfr%C3%A6%C3%B0i" title="Verkfræði">verkfræði</a> • <a href="/wiki/L%C3%A6knisfr%C3%A6%C3%B0i" title="Læknisfræði">læknisfræði</a></div> <p><br /> </p> </td></tr></tbody></table> </td></tr> <tr> <td style="width: 50%; vertical-align: top; border:1px solid #8898BF; background-color: #FFFFFF"> <div style="background-color:#FFA500; font-size:1px; height:8px; border-bottom:1px solid #8898BF;"></div> <div style="float:right; margin:5px; margin-top:5px"><span typeof="mw:File"><a href="/wiki/Mynd:Books-aj.svg_aj_ashton_01f.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Books-aj.svg_aj_ashton_01f.png/50px-Books-aj.svg_aj_ashton_01f.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/13/Books-aj.svg_aj_ashton_01f.png/75px-Books-aj.svg_aj_ashton_01f.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/13/Books-aj.svg_aj_ashton_01f.png/100px-Books-aj.svg_aj_ashton_01f.png 2x" data-file-width="128" data-file-height="128" /></a></span></div> <div style="font: 13pt Verdana; font-weight:bold; padding:5px; border-bottom:1px solid #AAAAAA;">Valin grein</div> <div style="font-size:9pt; padding:5px"> <p><b>Orka</b> er grundvallarstærð sem að hvert <a href="/wiki/E%C3%B0lisfr%C3%A6%C3%B0i" title="Eðlisfræði">eðlisfræðilegt</a> <a href="/wiki/Kerfi" title="Kerfi">kerfi</a> hefur að geyma. Orka er skilgreind sem magn <i><a href="/wiki/Vinna_(e%C3%B0lisfr%C3%A6%C3%B0i)" title="Vinna (eðlisfræði)">vinnu</a></i> sem þarf til að breyta <a href="/w/index.php?title=%C3%81stand_(e%C3%B0lisfr%C3%A6%C3%B0i)&action=edit&redlink=1" class="new" title="Ástand (eðlisfræði) (síða er ekki enn til)">ástandi</a> eðlisfræðilegs kerfis. Til dæmis tekur það <i>W</i> = ½<i>mv</i>² vinnu til að hraða <a href="/w/index.php?title=Byssuk%C3%BAla&action=edit&redlink=1" class="new" title="Byssukúla (síða er ekki enn til)">byssukúlu</a> frá núll hraða í hraða <i>v</i> — og er því stærðin ½<i>mv</i>² kölluð <a href="/wiki/Hreyfiorka" title="Hreyfiorka">hreyfiorka</a> byssukúlunnar. Önnur dæmi eru <a href="/wiki/Raforka" title="Raforka">raforkan</a> sem geymd er í <a href="/wiki/Rafhla%C3%B0a" title="Rafhlaða">rafhlöðu</a>, <a href="/w/index.php?title=Efnaorka&action=edit&redlink=1" class="new" title="Efnaorka (síða er ekki enn til)">efnaorka</a> sem er í <a href="/wiki/Matur" title="Matur">matarbita</a>, <a href="/w/index.php?title=Hitaorka&action=edit&redlink=1" class="new" title="Hitaorka (síða er ekki enn til)">hitaorka</a> <a href="/w/index.php?title=Vatnshitari&action=edit&redlink=1" class="new" title="Vatnshitari (síða er ekki enn til)">vatnshitara</a>, og <a href="/wiki/St%C3%B6%C3%B0uorka" title="Stöðuorka">stöðuorka</a> upphækkaðs vatns á bak við <a href="/wiki/St%C3%ADfla" title="Stífla">stíflu</a>. </p><p>Hægt er auðveldlega að breyta orku úr einni mynd yfir í aðra; sem dæmi, ef rafhlaða er notuð til að knýja rafmagnshitara, er efnaorku breytt í raforku, sem að svo er aftur breytt í hitaorku. Eða, með því að láta upphækkað vatn renna niður á við, er stöðuorku vatns breytt í hreyfiorku hreyfils, sem að svo breytist í raforku með hjálp rafals. Lögmálið um <a href="/w/index.php?title=Orkugeymd&action=edit&redlink=1" class="new" title="Orkugeymd (síða er ekki enn til)">orkugeymd</a> segir til um að í lokuðu kerfi haldist heildarmagn orku kerfisins, sem samsvarar samanlögðum orkuhlutum þess, fast. Þetta lögmál kemur út af hliðrunarsamhverfu tímans, sem merkir að eðlisfræðileg ferli eru óháð byrjunartíma. </p> <div style="text-align:right;"><b><a href="/wiki/Orka" title="Orka">Lesa meira...</a></b></div> </div> <p><br /> </p> </td> <td style="width: 50%; vertical-align: top; border:1px solid #8898BF; background-color: #FFFFFF"> <div style="background-color:#A8D3FF; font-size:1px; height:8px; border-bottom:1px solid #8898BF;"></div> <div style="float:right; margin:5px; margin-top:5px"><span typeof="mw:File"><a href="/wiki/Mynd:Question_mark.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Question_mark.svg/50px-Question_mark.svg.png" decoding="async" width="50" height="88" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Question_mark.svg/75px-Question_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Question_mark.svg/100px-Question_mark.svg.png 2x" data-file-width="220" data-file-height="385" /></a></span></div> <div style="font: 13pt Verdana; font-weight:bold; padding:5px; border-bottom:1px solid #AAAAAA;">Vissir þú?</div> <div style="font-size:9pt; padding:5px"> <p><b>Vissir þú</b> </p><p>...að <b><a href="/wiki/P%C3%BD%C3%BEag%C3%B3r%C3%ADskir_%C3%BEr%C3%ADhyrningar" class="mw-redirect" title="Pýþagórískir þríhyrningar">pýþagórísk þrennd</a></b> er hverjar þær þrjár <a href="/wiki/Heiltala" class="mw-redirect" title="Heiltala">heiltölur</a> sem geta verið hliðarlengdir í rétthyrndum þríhyrningi? Minnsta slík þrennd er (3,4,5), en óendanlega margar eru til.<br /> ...að <b><a href="/wiki/Merk%C3%BAr%C3%ADus_(reikistjarna)" class="mw-redirect" title="Merkúríus (reikistjarna)">Merkúríus</a></b> (Merkúr) er næstminnsta <a href="/wiki/Reikistjarna" title="Reikistjarna">reikistjarnan</a> og sú sem næst er <a href="/wiki/S%C3%B3lin" title="Sólin">sólinni</a>?<br /> ...að <b><a href="/wiki/Snj%C3%B3r" title="Snjór">snjór</a></b> er <a href="/wiki/%C3%9Arkoma" title="Úrkoma">úrkoma</a> <a href="/wiki/Vatn" title="Vatn">vatns</a> í <a href="/w/index.php?title=Efnisform&action=edit&redlink=1" class="new" title="Efnisform (síða er ekki enn til)">formi</a> <a href="/wiki/Kristall" title="Kristall">kristallaðs</a> <a href="/wiki/%C3%8Ds" title="Ís">íss</a>, sem samsett er úr miklum fjölda óreglulegra <a href="/wiki/Korn" title="Korn">korna</a>, sem nefnast <a href="/wiki/Snj%C3%B3korn" class="mw-redirect" title="Snjókorn">snjókorn</a>?<br /> ...að <b><a href="/wiki/Frumutala" title="Frumutala">frumutala</a></b> mjólkur getur verið mælikvarði á júgurheilbrigði hjá kúm?<br /> ...að <b><a href="/wiki/Lj%C3%B3stvistur" title="Ljóstvistur">ljóstvistar</a></b> sem gefa <a href="/wiki/Innrautt_lj%C3%B3s" title="Innrautt ljós">innrautt ljós</a> eru notaðir m.a. í fjarstýringum?<br /> ...að <b><a href="/wiki/%C3%96r%C3%A6faj%C3%B6kull" title="Öræfajökull">Öræfajökull</a></b> (<i>sjá mynd</i>) hefur gosið tvisvar á sögulegum tíma?<br /> ...að í <b><a href="/wiki/Taugav%C3%ADsindi" title="Taugavísindi">taugavísindum</a></b> skoða menn byggingu taugakerfisins, virkni þess og þroska?<br /> ...að <b><a href="/wiki/Dyrh%C3%B3laey" title="Dyrhólaey">Dyrhólaey</a></b> er ekki eyja heldur móbergsstapi sem skagar út í sjó?<br /> ...að <b><a href="/wiki/Maurar" title="Maurar">maurar</a></b> eru <a href="/wiki/F%C3%A9lagsskord%C3%BDr" title="Félagsskordýr">félagsskordýr</a> sem tilheyra ættbálki æðvængja líkt og <a href="/w/index.php?title=Vespur&action=edit&redlink=1" class="new" title="Vespur (síða er ekki enn til)">vespur</a> og <a href="/wiki/B%C3%BDflugur" title="Býflugur">býflugur</a>?<br /> ...að <a href="/wiki/Gras" class="mw-redirect" title="Gras">grösum</a> er skipt í <b><a href="/wiki/Puntgr%C3%B6s" title="Puntgrös">puntgrös</a></b>, <b><a href="/wiki/Axpuntgr%C3%B6s" title="Axpuntgrös">axpuntgrös</a></b> og <b><a href="/wiki/Axgr%C3%B6s" title="Axgrös">axgrös</a></b> eftir því hvernig <a href="/wiki/Sm%C3%A1ax" title="Smáax">smáöxin</a> sitja á stráinu?<br /> ...að <b><a href="/wiki/Deildartunguhver" title="Deildartunguhver">Deildartunguhver</a></b> í <a href="/wiki/Reykholt_(Borgarfir%C3%B0i)" title="Reykholt (Borgarfirði)">Reykholtsdal</a> (<i>sjá mynd</i>) er vatnsmesti <a href="/wiki/Hver" title="Hver">hver</a> <a href="/wiki/Evr%C3%B3pa" title="Evrópa">Evrópu</a>?<br /> ...að eitrunaráhrif <b><a href="/wiki/Kolm%C3%B3nox%C3%AD%C3%B0" title="Kolmónoxíð">kolmónoxíðs</a></b> stafa af því að það binst <a href="/wiki/Hem%C3%B3gl%C3%B3b%C3%ADn" class="mw-redirect" title="Hemóglóbín">hemóglóbíni</a> í <a href="/wiki/Bl%C3%B3%C3%B0" title="Blóð">blóði</a> og kemur þannig í veg fyrir upptöku <a href="/wiki/S%C3%BArefni" title="Súrefni">súrefnis</a>?<br /> ...að <b><a href="/wiki/Geisla%C3%A1lag" title="Geislaálag">geislaálag</a></b> er mælt í <a href="/wiki/S%C3%ADvert" title="Sívert">sívertum</a>?<br /> ...að <b><a href="/wiki/Teljanlegt_mengi" title="Teljanlegt mengi">teljanlegt mengi</a></b> er í <a href="/wiki/St%C3%A6r%C3%B0fr%C3%A6%C3%B0i" title="Stærðfræði">stærðfræði</a> <a href="/wiki/Mengi" title="Mengi">mengi</a> sem er annað hvort teljanlegt eða teljanlega óendanlegt?<br /> ...að <b><a href="/wiki/N%C3%A1tt%C3%BArulegar_t%C3%B6lur" class="mw-redirect" title="Náttúrulegar tölur">náttúrulegar</a></b>, <b><a href="/wiki/Heilt%C3%B6lur" title="Heiltölur">heilar</a></b>, <b><a href="/wiki/R%C3%A6%C3%B0ar_t%C3%B6lur" title="Ræðar tölur">ræðar</a></b>, <b><a href="/wiki/%C3%93r%C3%A6%C3%B0ar_t%C3%B6lur" title="Óræðar tölur">óræðar</a></b>, <b><a href="/wiki/Raunt%C3%B6lur" class="mw-redirect" title="Rauntölur">raun-</a></b> og <b><a href="/wiki/Tvinnt%C3%B6lur" title="Tvinntölur">tvinntölur</a></b> eru allt <a href="/wiki/Talnamengi" title="Talnamengi">talnamengi</a> í <a href="/wiki/St%C3%A6r%C3%B0fr%C3%A6%C3%B0i" title="Stærðfræði">stærðfræði</a>?<br /> ...að <b><a href="/wiki/Algildi" title="Algildi">algildi</a></b> er í <a href="/wiki/St%C3%A6r%C3%B0fr%C3%A6%C3%B0i" title="Stærðfræði">stærðfræði</a> <a href="/wiki/Fjarl%C3%A6g%C3%B0" title="Fjarlægð">fjarlægð</a> <a href="/wiki/Tala" class="mw-redirect" title="Tala">tölu</a> frá tölunni <a href="/wiki/N%C3%BAll" title="Núll">núll</a> á <a href="/wiki/Rauntalnal%C3%ADna" class="mw-redirect" title="Rauntalnalína">rauntölulínunni</a>?<br /> </p> </div> </td></tr> <tr> <td style="width: 50%; vertical-align: top; border:1px solid #8898BF; background-color: #FFFFFF"> <div style="background-color:#D90045; font-size:1px; height:8px; border-bottom:1px solid #8898BF;"></div> <div style="float:right; margin:5px; margin-top:5px"><span typeof="mw:File"><a href="/wiki/Mynd:Treasure_chest_color.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Treasure_chest_color.png/50px-Treasure_chest_color.png" decoding="async" width="50" height="53" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Treasure_chest_color.png/75px-Treasure_chest_color.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Treasure_chest_color.png/100px-Treasure_chest_color.png 2x" data-file-width="228" data-file-height="240" /></a></span></div> <div style="font: 13pt Verdana; font-weight:bold; padding:5px; border-bottom:1px solid #AAAAAA;">Gæða- og úrvalsgreinar</div> <div style="font-size:9pt; padding:5px"> <p><b>Núverandi <a href="/wiki/Wikipedia:G%C3%A6%C3%B0agreinar" title="Wikipedia:Gæðagreinar">gæðagreinar</a></b>: </p> <ul><li><a href="/wiki/Fiskur" title="Fiskur">Fiskur</a></li> <li><a href="/wiki/Heimskautarefur" title="Heimskautarefur">Heimskautarefur</a></li> <li><a href="/wiki/J%C3%B6r%C3%B0in" title="Jörðin">Jörðin</a></li> <li><a href="/wiki/Keila_(fiskur)" title="Keila (fiskur)">Keila (fiskur)</a></li> <li><a href="/wiki/Massi" title="Massi">Massi</a></li> <li><a href="/wiki/Orka" title="Orka">Orka</a></li> <li><a href="/wiki/R%C3%ADki_(flokkunarfr%C3%A6%C3%B0i)" title="Ríki (flokkunarfræði)">Ríki (flokkunarfræði)</a></li> <li><a href="/wiki/S%C3%B3lin" title="Sólin">Sólin</a></li></ul> <p><b>Núverandi <a href="/wiki/Wikipedia:%C3%9Arvalsgreinar" title="Wikipedia:Úrvalsgreinar">úrvalsgreinar</a></b>: </p> <ul><li><a href="/wiki/Kartafla" title="Kartafla">Kartafla</a></li></ul> </div> <p><br /> </p> </td> <td style="width: 50%; vertical-align: top; border:1px solid #8898BF; background-color: #FFFFFF"> <div style="background-color:#00FF00; font-size:1px; height:8px; border-bottom:1px solid #8898BF;"></div> <div style="float:right; margin:5px; margin-top:5px"><span typeof="mw:File"><a href="/wiki/Mynd:Panneau_travaux.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/02/Panneau_travaux.png/50px-Panneau_travaux.png" decoding="async" width="50" height="44" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/02/Panneau_travaux.png/75px-Panneau_travaux.png 1.5x, //upload.wikimedia.org/wikipedia/commons/0/02/Panneau_travaux.png 2x" data-file-width="100" data-file-height="88" /></a></span></div> <div style="font: 13pt Verdana; font-weight:bold; padding:5px; border-bottom:1px solid #AAAAAA;">Verkefni</div> <div style="font-size:9pt; padding:5px"> <div style="text-align:center;"><span style="float:centre; font-size:12pt"><b>Hvað þarf að gera?</b></span></div> <ul><li>Skrifa <b><a href="/w/index.php?title=Wikipedia:Greinar_sem_%C3%A6ttu_a%C3%B0_vera_til/V%C3%ADsindi&action=edit&redlink=1" class="new" title="Wikipedia:Greinar sem ættu að vera til/Vísindi (síða er ekki enn til)">greinar sem enn vantar</a></b></li> <li>Lengja <b><a href="/w/index.php?title=Flokkur:N%C3%A1tt%C3%BAruv%C3%ADsindastubbar&action=edit&redlink=1" class="new" title="Flokkur:Náttúruvísindastubbar (síða er ekki enn til)">stubba</a></b> (sjá einnig <b><a href="/w/index.php?title=Flokkur:St%C3%A6r%C3%B0fr%C3%A6%C3%B0istubbar&action=edit&redlink=1" class="new" title="Flokkur:Stærðfræðistubbar (síða er ekki enn til)">hér</a></b>)</li> <li>Lesa yfir <b><a href="/wiki/Flokkur:V%C3%ADsindi" title="Flokkur:Vísindi">greinar sem eru þegar komnar</a></b> og bæta málfar og stafsetningu</li> <li>Viðhalda greinum (sjá <a href="/wiki/Kerfiss%C3%AD%C3%B0a:N%C3%BDlegar_breytingar_tengdar/G%C3%A1tt:Raunv%C3%ADsindi" title="Kerfissíða:Nýlegar breytingar tengdar/Gátt:Raunvísindi">nýlegar breytingar</a> á efni sem tengt er í á gáttinni)</li> <li>Gera greinar að <b><a href="/wiki/Wikipedia:G%C3%A6%C3%B0agreinar" title="Wikipedia:Gæðagreinar">gæðagreinum</a></b> eða <b><a href="/wiki/Wikipedia:%C3%9Arvalsgreinar" title="Wikipedia:Úrvalsgreinar">úrvalsgreinum</a></b>: <ul><li><a href="/wiki/Frumeind" title="Frumeind">Frumeind</a></li> <li><a href="/wiki/Gervigreind" title="Gervigreind">Gervigreind</a></li> <li><a href="/wiki/Hamur_(efnafr%C3%A6%C3%B0i)" class="mw-redirect" title="Hamur (efnafræði)">Hamur (efnafræði)</a></li> <li><a href="/wiki/%C3%8Dsbj%C3%B6rn" title="Ísbjörn">Ísbjörn</a></li> <li><a href="/wiki/Klass%C3%ADsk_aflfr%C3%A6%C3%B0i" class="mw-redirect" title="Klassísk aflfræði">Klassísk aflfræði</a></li> <li><a href="/wiki/Lj%C3%B3s" title="Ljós">Ljós</a></li> <li><a href="/wiki/Miklihvellur" title="Miklihvellur">Miklihvellur</a></li> <li><a href="/wiki/Nifteind" title="Nifteind">Nifteind</a></li> <li><a href="/wiki/R%C3%B3teind" title="Róteind">Róteind</a></li> <li><a href="/wiki/St%C3%A6r%C3%B0fr%C3%A6%C3%B0i" title="Stærðfræði">Stærðfræði</a></li> <li><a href="/wiki/Tungli%C3%B0" title="Tunglið">Tunglið</a></li> <li><a href="/wiki/Vetni" title="Vetni">Vetni</a></li></ul></li></ul> </div> </td></tr> <tr> <td style="width: 50%; vertical-align: top; border:1px solid #8898BF; background-color: #FFFFFF"> <div style="background-color:#C28F8F; font-size:1px; height:8px; border-bottom:1px solid #8898BF;"></div> <div style="float:right; margin:5px; margin-top:5px"><span typeof="mw:File"><a href="/wiki/Mynd:Broom_icon.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Broom_icon.png/50px-Broom_icon.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/90/Broom_icon.png/75px-Broom_icon.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/90/Broom_icon.png/100px-Broom_icon.png 2x" data-file-width="128" data-file-height="128" /></a></span></div> <div style="font: 13pt Verdana; font-weight:bold; padding:5px; border-bottom:1px solid #AAAAAA;">Stubbar</div> <div style="font-size:9pt; padding:5px"> <p><b>Valdir stubbar sem þarf að lengja:</b> </p> <ul><li><a href="/wiki/ABO-bl%C3%B3%C3%B0flokkar" title="ABO-blóðflokkar">ABO-blóðflokkar</a></li> <li><a href="/wiki/Berglagafr%C3%A6%C3%B0i" title="Berglagafræði">Berglagafræði</a></li> <li><a href="/wiki/DNA" title="DNA">DNA</a></li> <li><a href="/wiki/Eldgos" title="Eldgos">Eldgos</a></li> <li><a href="/wiki/Erf%C3%B0afr%C3%A6%C3%B0i" title="Erfðafræði">Erfðafræði</a></li> <li><a href="/wiki/Etan%C3%B3l" title="Etanól">Etanól</a></li> <li><a href="/wiki/Frumukjarni" title="Frumukjarni">Frumukjarni</a></li> <li><a href="/wiki/Helmingunart%C3%ADmi" title="Helmingunartími">Helmingunartími</a></li> <li><a href="/wiki/Jar%C3%B0efnafr%C3%A6%C3%B0i" title="Jarðefnafræði">Jarðefnafræði</a></li> <li><a href="/wiki/Jar%C3%B0gas" title="Jarðgas">Jarðgas</a></li> <li><a href="/wiki/Kalksteinn" title="Kalksteinn">Kalksteinn</a></li> <li><a href="/wiki/Kolm%C3%B3nox%C3%AD%C3%B0" title="Kolmónoxíð">Kolmónoxíð</a></li> <li><a href="/wiki/Kolvetni" class="mw-disambig" title="Kolvetni">Kolvetni</a></li> <li><a href="/wiki/L%C3%ADfe%C3%B0lisfr%C3%A6%C3%B0i" title="Lífeðlisfræði">Lífeðlisfræði</a></li> <li><a href="/wiki/Logri" title="Logri">Logri</a></li> <li><a href="/wiki/L%C3%A6g%C3%B0_(ve%C3%B0urfr%C3%A6%C3%B0i)" title="Lægð (veðurfræði)">Lægð (veðurfræði)</a></li> <li><a href="/wiki/Markgildi" title="Markgildi">Markgildi</a></li> <li><a href="/wiki/M%C3%A1lmgr%C3%BDti" title="Málmgrýti">Málmgrýti</a></li> <li><a href="/wiki/Oxun" title="Oxun">Oxun</a></li> <li><a href="/wiki/S%C3%B3lkerfi%C3%B0" title="Sólkerfið">Sólkerfið</a></li> <li><a href="/wiki/Svarthol" title="Svarthol">Svarthol</a></li> <li><a href="/wiki/Taugafruma" title="Taugafruma">Taugafruma</a></li> <li><a href="/wiki/T%C3%ADmar%C3%BAm" title="Tímarúm">Tímarúm</a></li> <li><a href="/wiki/%C3%9Eyngdarl%C3%B6gm%C3%A1li%C3%B0" title="Þyngdarlögmálið">Þyngdarlögmálið</a></li></ul> <div style="text-align:right;"><b><a href="/w/index.php?title=Flokkur:N%C3%A1tt%C3%BAruv%C3%ADsindastubbar&action=edit&redlink=1" class="new" title="Flokkur:Náttúruvísindastubbar (síða er ekki enn til)">Fleiri stubbar...</a></b></div> </div> <p><br /> </p> </td> <td style="width: 50%; vertical-align: top; border:1px solid #8898BF; background-color: #FFFFFF"> <div style="background-color:#94FFFF; font-size:1px; height:8px; border-bottom:1px solid #8898BF;"></div> <div style="float:right; margin:5px; margin-top:5px"><span typeof="mw:File"><a href="/wiki/Mynd:P_writing.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/P_writing.svg/50px-P_writing.svg.png" decoding="async" width="50" height="45" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/44/P_writing.svg/75px-P_writing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/44/P_writing.svg/100px-P_writing.svg.png 2x" data-file-width="400" data-file-height="360" /></a></span></div> <div style="font: 13pt Verdana; font-weight:bold; padding:5px; border-bottom:1px solid #AAAAAA;">Óskrifaðar greinar</div> <div style="font-size:9pt; padding:5px"> <p><b>Greinar sem vantar:</b> </p> <ul><li><a href="/wiki/Botnristill" title="Botnristill">Botnristill</a></li> <li><a href="/w/index.php?title=Eiginvigur&action=edit&redlink=1" class="new" title="Eiginvigur (síða er ekki enn til)">Eiginvigur</a></li> <li><a href="/w/index.php?title=Hornal%C3%ADnugeranleiki&action=edit&redlink=1" class="new" title="Hornalínugeranleiki (síða er ekki enn til)">Hornalínugeranleiki</a></li> <li><a href="/wiki/Innfeldisr%C3%BAm" title="Innfeldisrúm">Innfeldisrúm</a></li> <li><a href="/wiki/Jar%C3%B0fleki" class="mw-redirect" title="Jarðfleki">Jarðfleki</a></li> <li><a href="/w/index.php?title=Kennimargli%C3%B0a&action=edit&redlink=1" class="new" title="Kennimargliða (síða er ekki enn til)">Kennimargliða</a></li> <li><a href="/w/index.php?title=Kirtill&action=edit&redlink=1" class="new" title="Kirtill (síða er ekki enn til)">Kirtill</a></li> <li><a href="/w/index.php?title=L%C3%ADfr%C3%A6nt_efni&action=edit&redlink=1" class="new" title="Lífrænt efni (síða er ekki enn til)">Lífrænt efni</a></li> <li><a href="/w/index.php?title=L%C3%ADnuleg_samantekt&action=edit&redlink=1" class="new" title="Línuleg samantekt (síða er ekki enn til)">Línuleg samantekt</a></li> <li><a href="/w/index.php?title=L%C3%ADnulegur_grunnur&action=edit&redlink=1" class="new" title="Línulegur grunnur (síða er ekki enn til)">Línulegur grunnur</a></li> <li><a href="/wiki/N%C3%A6ring" title="Næring">Næring</a></li> <li><a href="/w/index.php?title=QR-%C3%BE%C3%A1ttun&action=edit&redlink=1" class="new" title="QR-þáttun (síða er ekki enn til)">QR-þáttun</a></li> <li><a href="/w/index.php?title=Ra%C3%B0ar%C3%BAm&action=edit&redlink=1" class="new" title="Raðarúm (síða er ekki enn til)">Raðarúm</a></li> <li><a href="/w/index.php?title=R%C3%B3fsetningin&action=edit&redlink=1" class="new" title="Rófsetningin (síða er ekki enn til)">Rófsetningin</a></li> <li><a href="/w/index.php?title=Skynjun&action=edit&redlink=1" class="new" title="Skynjun (síða er ekki enn til)">Skynjun</a></li> <li><a href="/w/index.php?title=%C3%9Atfeldi&action=edit&redlink=1" class="new" title="Útfeldi (síða er ekki enn til)">Útfeldi</a></li> <li><a href="/w/index.php?title=%C3%9Everl%C3%A6gni&action=edit&redlink=1" class="new" title="Þverlægni (síða er ekki enn til)">Þverlægni</a></li> <li><a href="/wiki/%C3%9E%C3%B6rungur" class="mw-redirect" title="Þörungur">Þörungur</a></li> <li><a href="/wiki/%C3%86ttkv%C3%ADsl" class="mw-redirect" title="Ættkvísl">Ættkvísl</a></li></ul> <div style="text-align:right;"><b><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Eftirs%C3%B3ttar_s%C3%AD%C3%B0ur" title="Kerfissíða:Eftirsóttar síður">Fleiri eftirsóttar greinar...</a></b></div> </div> </td> </tr> </tbody></table>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1&useformat=desktop" alt="" width="1" height="1" style="border: none; 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