{"id":64877,"date":"2026-06-27T05:51:12","date_gmt":"2026-06-26T20:51:12","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=64877"},"modified":"2026-06-27T05:51:13","modified_gmt":"2026-06-26T20:51:13","slug":"pyorrevirrat-ampaisevat-metallirenkaita-ilmaan-sahkomagneettisen-induktion-ihme-tsukuban-expo-keskuksessa","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=64877&lang=fi","title":{"rendered":"Py\u00f6rrevirrat ampaisevat metallirenkaita ilmaan \u2014 s\u00e4hk\u00f6magneettisen induktion ihme Tsukuban Expo-keskuksessa"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\">Olen tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on uusi koe.<\/span><\/p>\n<p>Mit\u00e4 ajattelisit, jos alumiinifolio leijuisi ilmassa ilman tulta tai muuta n\u00e4kyv\u00e4\u00e4 voimaa? Kuulostaa taikuudelta \u2013 mutta juuri n\u00e4in k\u00e4y tavallisella keitti\u00f6n induktioliedell\u00e4. Omin silmin n\u00e4htyn\u00e4 ilmi\u00f6 on h\u00e4kellytt\u00e4v\u00e4.<\/p>\n<h3>Alumiinifolio leijuu ilmassa!?<\/h3>\n<p><span style=\"font-size: 14px;\">Kokeessa k\u00e4ytet\u00e4\u00e4n tavallista keitti\u00f6n induktioliett\u00e4. Laita alumiinifolio lieden pinnalle ja k\u00e4ynnist\u00e4 laite \u2013 ja katso mit\u00e4 tapahtuu. Folio kohoaa pehme\u00e4sti ilmaan aivan itsest\u00e4\u00e4n!<\/span><br \/>\n<iframe loading=\"lazy\" title=\"IH\u306e\u4e0a\u306b\u7f6e\u304f\u3068\u2026\u3075\u308f\u3063\u3068\u6d6e\u304b\u3076\uff01\u30a2\u30eb\u30df\u7b94\u306e\u8b0e\u3010\u6e26\u96fb\u6d41\u3011\" src=\"https:\/\/www.youtube.com\/embed\/PEFqJ-j1JOU?feature=oembed\" width=\"1140\" height=\"641\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34016 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/940c3911cece547f02b778d671605642.jpg\" sizes=\"auto, (max-width: 487px) 100vw, 487px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/940c3911cece547f02b778d671605642.jpg 938w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/940c3911cece547f02b778d671605642-300x242.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/940c3911cece547f02b778d671605642-768x619.jpg 768w\" alt=\"\" width=\"487\" height=\"392\" \/>Laite k\u00e4ynnistyy\u2026<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34015 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/9c3334f410d485f41926d617855f4ff2.jpg\" sizes=\"auto, (max-width: 512px) 100vw, 512px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/9c3334f410d485f41926d617855f4ff2.jpg 836w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/9c3334f410d485f41926d617855f4ff2-300x265.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/9c3334f410d485f41926d617855f4ff2-768x678.jpg 768w\" alt=\"\" width=\"512\" height=\"452\" \/><br \/>\nRengas kohoaa kevyesti ilmaan!<\/p>\n<h3>Miksi se leijuu? Py\u00f6rrevirrat paljastuvat<\/h3>\n<p>Alumiinifolioon ei ole tehty mit\u00e4\u00e4n erityist\u00e4. Salaisuus piilee induktiolieden sis\u00e4ll\u00e4 olevassa kelassa, joka synnytt\u00e4\u00e4 nopeasti muuttuvan magneettikent\u00e4n. T\u00e4m\u00e4 magneettikentt\u00e4 saa alumiinifoliossa aikaan voimakkaan s\u00e4hk\u00f6virran \u2013 niin sanotun py\u00f6rrevirran \u2013 joka puolestaan luo oman magneettikent\u00e4n. N\u00e4m\u00e4 kaksi magneettikentt\u00e4\u00e4 hylkiv\u00e4t toisiaan, aivan kuten kaksi saman napaisuuden omaavaa magneettia, ja tuloksena folio singahtaa ilmaan.<br \/>\nIlmi\u00f6n taustalla on s\u00e4hk\u00f6magneettinen induktio. Kun s\u00e4hk\u00f6\u00e4 johtava materiaali \u2013 kuten alumiini \u2013 asetetaan muuttuvaan magneettikentt\u00e4\u00e4n, siihen syntyy s\u00e4hk\u00f6virta. Koska virta kiert\u00e4\u00e4 materiaalissa py\u00f6rteisesti, sit\u00e4 kutsutaan py\u00f6rrevirraksi. Sama periaate toimii my\u00f6s tavallisessa ruoanlaitossa: induktioliesi l\u00e4mmitt\u00e4\u00e4 kattilaa juuri n\u00e4iden py\u00f6rrevirtojen avulla. Erona on vain se, n\u00e4ytt\u00e4ytyyk\u00f6 energia nostovoimana vai l\u00e4mp\u00f6n\u00e4 \u2013 fysiikka on molemmissa t\u00e4ysin sama.<\/p>\n<h3>Suuremmassa mittakaavassa: metallirengas lent\u00e4\u00e4 kuin raketti!<\/h3>\n<p>Tsukuban Expo-keskuksessa on t\u00e4st\u00e4 ilmi\u00f6st\u00e4 viel\u00e4 paljon n\u00e4ytt\u00e4v\u00e4mpi versio. Kun nappi painetaan, painava metallirengas sinkoaa ilmaan kuin raketti. Katso itse:<\/p>\n<p><iframe loading=\"lazy\" title=\"\u6e26\u96fb\u6d41\u3067\u5927\u30b8\u30e3\u30f3\u30d7\uff01\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3068\u30b3\u30a4\u30eb\u3010\u3064\u304f\u3070\u30a8\u30ad\u30b9\u30dd\u30bb\u30f3\u30bf\u30fc\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/nfItqp4eIrI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Se hetki, kun massiivinen metallirengas ampaistaan ilmaan, on t\u00e4ysin j\u00e4risytt\u00e4v\u00e4. Alumiinifolin &#8220;pehme\u00e4 kohoaminen&#8221; muuttuu isossa mittakaavassa r\u00e4j\u00e4hdysm\u00e4iseksi voimann\u00e4ytteeksi. Fysiikan lait eiv\u00e4t muutu koon mukaan \u2013 mutta suuremmassa mittakaavassa ne paljastuvat entist\u00e4 vaikuttavammin.<br \/>\nJos haluat syventy\u00e4 py\u00f6rrevirtoihin tarkemmin, lue my\u00f6s t\u00e4m\u00e4 artikkeli:<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"xd0ERskUQ4\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=37684\">\u89e6\u308c\u305a\u306b\u30b3\u30a4\u30f3\u304c\u5012\u308c\u3001\u30a2\u30eb\u30df\u30db\u30a4\u30eb\u304c\u6d6e\u304f\uff01\uff1f\u6e26\u96fb\u6d41\u5b9f\u9a13\u3092\u81ea\u5b85\u3067\u697d\u3057\u3082\u3046\uff01\uff08\u30d5\u30a1\u30e9\u30c7\u30fc\u30c7\u30b9\u30af\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u89e6\u308c\u305a\u306b\u30b3\u30a4\u30f3\u304c\u5012\u308c\u3001\u30a2\u30eb\u30df\u30db\u30a4\u30eb\u304c\u6d6e\u304f\uff01\uff1f\u6e26\u96fb\u6d41\u5b9f\u9a13\u3092\u81ea\u5b85\u3067\u697d\u3057\u3082\u3046\uff01\uff08\u30d5\u30a1\u30e9\u30c7\u30fc\u30c7\u30b9\u30af\uff09\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=37684&amp;embed=true#?secret=FqStwHJU9v#?secret=xd0ERskUQ4\" data-secret=\"xd0ERskUQ4\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h3>Yhteydenotot ja tilaukset<\/h3>\n<p>Tiede on t\u00e4ynn\u00e4 ihmeellisi\u00e4 ja hauskoja ilmi\u00f6it\u00e4 \u2013 ja ne voivat tapahtua ihan kotona! T\u00e4\u00e4lt\u00e4 l\u00f6yd\u00e4t helposti l\u00e4hestytt\u00e4vi\u00e4 kokeita ja vinkkej\u00e4 niiden toteuttamiseen. Tutustu vapaasti!<br \/>\n\u30fbBlogin sis\u00e4ll\u00f6st\u00e4 on julkaistu my\u00f6s kirja. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><\/p>\n<p>\u30fbTietoa kirjoittaja Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a><\/p>\n<p>\u30fbTilaukset ja yhteisty\u00f6pyynn\u00f6t (kirjoitukset, luennot, tiedekokeet, TV-yhteisty\u00f6 jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><\/p>\n<p><span class=\"s2\">\u30fbUudet artikkelit ilmestyv\u00e4t my\u00f6s <a href=\"https:\/\/x.com\/kuwako\">X:ss\u00e4<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tiedekanava julkaisee koevideoja \u2013 tule katsomaan!<\/a><\/p>\n<h3>\uff16\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64043\">\u30ec\u30e2\u30f3\u3084\u30aa\u30ec\u30f3\u30b8\u3067\u98a8\u8239\u3092\u5272\u308d\u3046\uff01\u30a4\u30f3\u30d1\u30af\u30c8\u304c\u629c\u7fa4\u306e\u30ea\u30e2\u30cd\u30f3\u98a8\u8239\u306e\u5b9f\u9a13<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone  wp-image-64045\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-01-4.45.24.jpeg\" alt=\"\" width=\"406\" height=\"349\" \/><\/p>\r\n\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n \t<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=63067\">\u516c\u958b\u7814\u7a76\u4f1a\u300c\u8131\u4f5c\u696d\u5316\uff01\u30c7\u30b8\u30bf\u30eb\u5316\u3068\u6bb5\u968e\u7684\u6307\u5c0e\u3067\u5b9f\u73fe\u3059\u308b \u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u63a2\u7a76\u300d<\/a><\/li>\r\n \t<li>\uff16\u670828\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64337\">\u30c0\u30d3\u30f3\u30c1\u30de\u30b9\u30bf\u30fc\u30ba\uff20\u662d\u548c\u5973\u5b50<\/a><\/li>\r\n \t<li>6\u670830\u65e5\uff08\u706b\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64801\">6\/30\u300023:56\u301c\u3000\u3010\u79d1\u5b66\u76e3\u4fee\u30fb\u51fa\u6f14\u3011\u300c\u5730\u7403\u307e\u308b\u3054\u3068\u5927\u5b9f\u9a13\u30cd\u30a4\u30c1\u30e3\u30fc\u30c6\u30a3\u30fc\u30c1\u30e3\u30fc\u300d\uff08TBS\uff09<\/a><\/li>\r\n \t<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n \t<li>12\u670826\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64825\">\u30ca\u30ea\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\uff08\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\uff09\u958b\u50ac<\/a><\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n \t<li>\uff17\u670816\u65e5\u767a\u58f2\u3000\u300e<a href=\"https:\/\/amzn.to\/4vmkUfb\">\u9ad8\u6821\u5165\u8a66 \u5206\u89e3\u554f\u984c\u96c6 \u7406\u79d1<\/a>\u300f\uff08\u5b66\u7814\uff09\u2026\u96e3\u3057\u3044\u554f\u984c\u3082\u5c0f\u3055\u306a\u554f\u984c\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3093\u306a\u5206\u89e3\u306e\u6280\u8853\u304c\u8eab\u306b\u3064\u304f\u3088\u3046\u306b\u6df1\u304f\u95a2\u308f\u308a\u3092\u6301\u3063\u3066\u4f5c\u308a\u307e\u3057\u305f\u3002\r\n<img class=\"alignnone  wp-image-64694 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-20-18.25.27.jpeg\" alt=\"\" width=\"197\" height=\"275\" \/><\/li>\r\n \t<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09\r\n<img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/>\r\n<\/strong><\/li>\r\n \t<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002\r\n<img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\">\u3010\u65e5\u672c\u8a9e\u3011<a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\u3000\u3010\u82f1\u8a9e\u3011<a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a><\/p>\r\n\r\n<h3 style=\"text-align: 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href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\u00a0\u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Olen tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on uusi koe. Mit\u00e4 ajattelisit, jos alumiinifolio leijuisi ilmassa  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":37468,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","sns_share_botton_hide":"","vkExUnit_sns_title":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1630],"tags":[],"class_list":["post-64877","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/04\/2770ab3caf7f7f3972c6729f28b93f48.jpg","jetpack-related-posts":[{"id":58160,"url":"https:\/\/phys-edu.net\/wp\/?p=58160&lang=fi","url_meta":{"origin":64877,"position":0},"title":"Kolikko kaatuu koskematta ja alumiinifolio leijuu ilmassa!? Koe py\u00f6rrevirrat kotona! (Faradayn p\u00f6yt\u00e4)","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u67081\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on koe\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/9c3334f410d485f41926d617855f4ff2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/9c3334f410d485f41926d617855f4ff2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/9c3334f410d485f41926d617855f4ff2.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/9c3334f410d485f41926d617855f4ff2.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":59364,"url":"https:\/\/phys-edu.net\/wp\/?p=59364&lang=fi","url_meta":{"origin":64877,"position":1},"title":"Voiko grillihiilist\u00e4 tuottaa s\u00e4hk\u00f6\u00e4? Kokeile h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4 \u201chiiliparistoa\u201d!","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670825\u65e5","format":false,"excerpt":"Moi! T\u00e4ss\u00e4 tiedevalmentaja Ken Kuwako. Minulle jok\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/06\/c8844770b928b383d8e0a66d14ab4f23.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":53824,"url":"https:\/\/phys-edu.net\/wp\/?p=53824&lang=fi","url_meta":{"origin":64877,"position":2},"title":"Sata Ihmist\u00e4, Yksi T\u00e4r\u00e4hdys: Kuumimman S\u00e4hk\u00f6shown Salaisuus Edo-kaudella!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67085\u65e5","format":false,"excerpt":"Olen Kuwako Ken, tiedevalmentaja. Joka p\u00e4iv\u00e4 on ko\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/8b765bb5e171ec0061aa0760664355b9.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/8b765bb5e171ec0061aa0760664355b9.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/8b765bb5e171ec0061aa0760664355b9.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/8b765bb5e171ec0061aa0760664355b9.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/8b765bb5e171ec0061aa0760664355b9.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":52792,"url":"https:\/\/phys-edu.net\/wp\/?p=52792&lang=fi","url_meta":{"origin":64877,"position":3},"title":"Rakenna itse maailman ensimm\u00e4inen moottori \u2013 Faradayn moottori ja historiallinen koe odottaa!","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670821\u65e5","format":false,"excerpt":"Tervehdys! 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Pieni kuumailmapallo 15 minuutissa \u2013 helppo koe nosteen periaatteen ymm\u00e4rt\u00e4miseen","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670829\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-07-23-5.26.47.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-07-23-5.26.47.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-07-23-5.26.47.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-07-23-5.26.47.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":63266,"url":"https:\/\/phys-edu.net\/wp\/?p=63266&lang=fi","url_meta":{"origin":64877,"position":5},"title":"Yleisurheilup\u00e4iv\u00e4n py\u00f6rteest\u00e4 valon taittumiseen! T\u00e4ydellisen heijastumisen salaisuus selitettyn\u00e4 (Huygensin periaate)","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670810\u65e5","format":false,"excerpt":"T\u00e4ss\u00e4 tiedeblogia pit\u00e4v\u00e4 Kuwako Ken. Jokainen p\u00e4iv\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/584cbdc9b7f6924085f7e2737511121c.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/584cbdc9b7f6924085f7e2737511121c.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/584cbdc9b7f6924085f7e2737511121c.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/584cbdc9b7f6924085f7e2737511121c.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/64877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=64877"}],"version-history":[{"count":2,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/64877\/revisions"}],"predecessor-version":[{"id":64881,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/64877\/revisions\/64881"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/37468"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=64877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=64877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=64877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}