{"id":58349,"date":"2026-01-04T05:16:30","date_gmt":"2026-01-03T20:16:30","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=58349"},"modified":"2026-01-04T05:16:30","modified_gmt":"2026-01-03T20:16:30","slug":"onko-puiston-liukumaki-jattimainen-generaattori-liukumaki-ja-staattisen-sahkon-tiede-koko-perheelle","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=58349&lang=fi","title":{"rendered":"Onko puiston liukum\u00e4ki j\u00e4ttim\u00e4inen generaattori? Liukum\u00e4ki ja staattisen s\u00e4hk\u00f6n tiede koko perheelle"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on kokeilu.<\/strong><\/span><\/p>\n<p>Tammikuu on t\u00e4\u00e4ll\u00e4, ja sen my\u00f6t\u00e4 ovat saapuneet my\u00f6s ne kirpe\u00e4n kuivat pakkasp\u00e4iv\u00e4t, jolloin ilma tuntuu suorastaan r\u00e4tisev\u00e4n s\u00e4hk\u00f6st\u00e4. Olet varmasti kokenut sen pienen mutta yll\u00e4tt\u00e4v\u00e4n &#8220;r\u00e4ps\u00e4hdyksen&#8221; koskettaessasi ovenkahvaa juuri t\u00e4n\u00e4 vuodenaikana. Mutta tiesitk\u00f6, ett\u00e4 l\u00e4hipuiston muovinen liukum\u00e4ki on itse asiassa upea, arkinen tiedelaboratorio?<\/p>\n<p>Vierailin hiljattain lapseni kanssa puistossa, ja oli kiehtovaa seurata, kuinka h\u00e4nest\u00e4 tuli jokaisella laskulla kuin pieni s\u00e4hk\u00f6inen velho. Katsotaanpa t\u00e4t\u00e4 ilmi\u00f6t\u00e4 hieman tarkemmin tieteen silmin.<\/p>\n<h3>S\u00e4hk\u00f6\u00e4 liukumalla? Hankaus-s\u00e4hk\u00f6n ihmeellinen maailma<\/h3>\n<p>Miksi liukum\u00e4en laskeminen saa kaiken r\u00e4tisem\u00e4\u00e4n ja paukkumaan? Salaisuus piilee ilmi\u00f6ss\u00e4 nimelt\u00e4 <b>hankkauss\u00e4hk\u00f6<\/b>.<\/p>\n<p>Kun liukum\u00e4en muovipinta ja lapsen vaatteet hankautuvat vastakkain, pienet hiukkaset, joita kutsumme &#8220;elektroneiksi&#8221;, hypp\u00e4\u00e4v\u00e4t materiaalista toiseen. T\u00e4m\u00e4n seurauksena lapsen kehoon kertyy joko positiivinen tai negatiivinen s\u00e4hk\u00f6varaus.<\/p>\n<p>Erityisesti pitk\u00e4hiuksisten lasten kohdalla ilmi\u00f6 on n\u00e4ytt\u00e4v\u00e4: hiukset saattavat nousta pystyyn heti laskun j\u00e4lkeen. T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 jokainen hiussuortuva saa samanlaisen s\u00e4hk\u00f6varauksen. Aivan kuten magneetin samanlaiset navat, my\u00f6s samanmerkkiset s\u00e4hk\u00f6varaukset <b>hylkiv\u00e4t toisiaan<\/b>. On suorastaan maagista n\u00e4hd\u00e4, kuinka n\u00e4kym\u00e4t\u00f6n s\u00e4hk\u00f6inen voima nostaa hiukset ilmaan painovoimaa uhmaten!<\/p>\n<h3>Kun s\u00e4hk\u00f6 karkaa \u2013 purkauksen hetki<\/h3>\n<p>Viel\u00e4 mielenkiintoisempaa on se hetki, kun kosketat lasta heti laskun j\u00e4lkeen. Sormenp\u00e4iden l\u00e4hestyess\u00e4 toisiaan tuntuu s\u00e4hk\u00f6isku, eli <b>purkaus<\/b>. Lapsen kehoon varastoitunut s\u00e4hk\u00f6 virtaa salamannopeasti minun kauttani maahan.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u9759\u96fb\u6c17\u3068\u6ed1\u308a\u53f0\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/RAr3MqDOZl0?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>Kuten videolta n\u00e4kyy, staattinen s\u00e4hk\u00f6 ei ole vain hauska ilmi\u00f6, vaan konkreettista energian liikett\u00e4. Kuivassa talvi-ilmassa s\u00e4hk\u00f6 ei p\u00e4\u00e4se karkuun ilman kosteuden mukana, mink\u00e4 vuoksi ilmi\u00f6 on nyt erityisen voimakas ja helppo havaita.<\/p>\n<h3>Liukum\u00e4ki on kuin suuri s\u00e4hk\u00f6inen s\u00e4\u00e4st\u00f6lipas<\/h3>\n<p>Oletko huomannut, ett\u00e4 pelkk\u00e4 liukum\u00e4en vieress\u00e4 k\u00e4veleminen voi saada omat ihokarvasi nousemaan? Se on merkki siit\u00e4, ett\u00e4 liukum\u00e4ki itse on varautunut voimakkaasti.<\/p>\n<p>Siin\u00e4 miss\u00e4 metallit ovat &#8220;johteita&#8221; ja kuljettavat s\u00e4hk\u00f6\u00e4 helposti, useimmat liukum\u00e4et on tehty muovista, joka on <b>eriste<\/b>. Eristeet pit\u00e4v\u00e4t syntyneen s\u00e4hk\u00f6varauksen itsep\u00e4isesti paikoillaan. Siksi koko liukum\u00e4ki toimii kuin suuri s\u00e4hk\u00f6inen s\u00e4\u00e4st\u00f6lipas, joka s\u00e4ilytt\u00e4\u00e4 varauksen pitk\u00e4\u00e4n.<\/p>\n<p>Talvinen leikkipuisto on t\u00e4ydellinen paikka kokea fysiikan oppikirjojen ilmi\u00f6t kaikilla aisteilla. L\u00e4htek\u00e4\u00e4 siis ulos ja kokeilkaa itse &#8220;liukum\u00e4kitiedett\u00e4&#8221;!<\/p>\n<h3>Kysymykset ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! Olen koonnut vinkkej\u00e4 ja ohjeita helppoihin kotikokeiluihin. Tutki ja l\u00f6yd\u00e4 lis\u00e4\u00e4: \u30fbTiedemuistiinpanoistani on tullut kirja! Lue lis\u00e4\u00e4 <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a>. \u30fbLis\u00e4tietoa yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta l\u00f6yd\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>. \u30fbYhteydenotot (kirjoitusty\u00f6t, luennot, tiedepajat, TV-konsultointi jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>. <span class=\"s2\">\u30fbSeuraa uusimpia p\u00e4ivityksi\u00e4 <a href=\"https:\/\/x.com\/kuwako\">X-palvelussa<\/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\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tiedevideot YouTube-kanavallani!<\/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<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<li>\uff16\u6708\uff13\u65e5\uff08\u6c34\uff0920:30\u301c\u3000\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=63950\"><wbr \/>\u30d0\u30ab\u30ea\u30ba\u30e0\u306e\u3061\u3087\u3063\u3068\u30d0\u30ab\u308a\u30cf\u30ab\u3063\u3066\u307f\u305f\uff01<\/a>\u300d\uff08\u30c6\u30ec\u30d3\u6771\u4eac\uff09\u3092\u79d1\u5b66\u76e3\u4fee\u30fb\u51fa\u6f14\u3057\u307e\u3059\u3002\u30c6\u30fc\u30de\u306f\u300c<wbr \/>\u305d\u3070\u306e\u51fa\u524d\u306f\u4f55\u4eba\u524d\u307e\u3067\u904b\u3079\u308b\u306e\u304b\u3001\u9650\u754c\u3092\u6e2c\u3063\u3066\u307f\u305f\u300d\u3067\u3059\u3002\u3000<\/li>\r\n<li>\uff16\u6708\uff14\u65e5(\u6728)\u30007:00\u301c\u3000\u300c<a href=\"https:\/\/www.ntv.co.jp\/toppa\/\">THE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb<\/a>\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306b\u3064\u3044\u3066\u79d1\u5b66\u76e3\u4fee\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=63530\">\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d<\/a>\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<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<li>\uff16\u670828\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/www.davincimasters.jp\">\u30c0\u30d3\u30f3\u30c1\u30de\u30b9\u30bf\u30fc\u30ba\uff20\u662d\u548c\u5973\u5b50<\/a><\/li>\r\n<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<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<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<br \/><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\" \/><br \/><\/strong><\/li>\r\n<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<br \/><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;\"><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>\uff08\u65e5\u672c\u8a9e\uff09<\/p>\r\n<p style=\"text-align: center;\"><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>\uff08\u82f1\u8a9e\uff09<\/p>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a 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<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>\r\n<p>&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on kokeilu. Tammikuu on t\u00e4\u00e4ll\u00e4, ja sen my\u00f6t\u00e4 ovat saapuneet my [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":58092,"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":""},"categories":[1630],"tags":[],"class_list":["post-58349","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\/2026\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-31-7.11.31.jpg","jetpack-related-posts":[{"id":54734,"url":"https:\/\/phys-edu.net\/wp\/?p=54734&lang=fi","url_meta":{"origin":58349,"position":0},"title":"Hanka vain nen\u00e4liinalla! Opi plussan ja miinuksen staattisen s\u00e4hk\u00f6n tiede \u201cliikkuvalla pillill\u00e4\u201d!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670821\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\/369be7bac69306e6052bf78e0c270d6a.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/369be7bac69306e6052bf78e0c270d6a.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/369be7bac69306e6052bf78e0c270d6a.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/369be7bac69306e6052bf78e0c270d6a.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":55428,"url":"https:\/\/phys-edu.net\/wp\/?p=55428&lang=fi","url_meta":{"origin":58349,"position":1},"title":"Laukaise 30 000 volttia! Huippuhienon \u2018S\u00e4hk\u00f6pistoolin\u2019 voima ja salaisuudet","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u67085\u65e5","format":false,"excerpt":"Olen Kuwako Ken, tiedeohjaaja. Jokainen p\u00e4iv\u00e4 on k\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\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":53254,"url":"https:\/\/phys-edu.net\/wp\/?p=53254&lang=fi","url_meta":{"origin":58349,"position":2},"title":"[Tieteellinen valvonta] S\u00e4hk\u00f6inen todistus?! Staattisen s\u00e4hk\u00f6n kokeilu Suzu Hirosen kanssa (Boiling Word 10)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670827\u65e5","format":false,"excerpt":"Ken Kuwako, tiedekouluttajasi. Joka p\u00e4iv\u00e4 on kokei\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\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":52316,"url":"https:\/\/phys-edu.net\/wp\/?p=52316&lang=fi","url_meta":{"origin":58349,"position":3},"title":"\u00c4l\u00e4 heit\u00e4 pois! Voiko pakkausmateriaali olla taikaesine? Hiero ja liimaa se kehoon \u2013 kokeile staattista s\u00e4hk\u00f6\u00e4!","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670815\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\/2021\/01\/fc98512941756e65c7091aa3c017a031.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/fc98512941756e65c7091aa3c017a031.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/fc98512941756e65c7091aa3c017a031.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/fc98512941756e65c7091aa3c017a031.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":53728,"url":"https:\/\/phys-edu.net\/wp\/?p=53728&lang=fi","url_meta":{"origin":58349,"position":4},"title":"H\u00e4mm\u00e4stytt\u00e4v\u00e4 koe! N\u00e4in valmistat s\u00e4ken\u00f6iv\u00e4\u00e4 staattista vett\u00e4, s\u00e4hk\u00f6teet\u00e4 ja s\u00e4hk\u00f6juomia (Staattisen s\u00e4hk\u00f6n kokeet)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67084\u65e5","format":false,"excerpt":"Olen Kuwako Ken, tiedevalmentaja. Jokainen p\u00e4iv\u00e4 o\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\/2023\/02\/bd6ca335879fc3994122613961fc8280.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/02\/bd6ca335879fc3994122613961fc8280.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/02\/bd6ca335879fc3994122613961fc8280.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/02\/bd6ca335879fc3994122613961fc8280.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54466,"url":"https:\/\/phys-edu.net\/wp\/?p=54466&lang=fi","url_meta":{"origin":58349,"position":5},"title":"Miksi suolavesi johtaa s\u00e4hk\u00f6\u00e4, mutta sokerivesi ei? Keitti\u00f6st\u00e4 alkava s\u00e4hk\u00f6n salaisuus (kemia)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670816\u65e5","format":false,"excerpt":"Tervehdys! Olen tiedekouluttaja Ken Kuwako. Jokain\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\/2023\/11\/b85081c847014c91f42fdeb34d124d76.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/11\/b85081c847014c91f42fdeb34d124d76.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/11\/b85081c847014c91f42fdeb34d124d76.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/11\/b85081c847014c91f42fdeb34d124d76.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/11\/b85081c847014c91f42fdeb34d124d76.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/11\/b85081c847014c91f42fdeb34d124d76.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/58349","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=58349"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/58349\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/58092"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=58349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=58349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=58349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}