{"id":61579,"date":"2026-03-17T04:45:46","date_gmt":"2026-03-16T19:45:46","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=61579"},"modified":"2026-03-17T04:45:46","modified_gmt":"2026-03-16T19:45:46","slug":"sahkon-takaa-ajo-nakyvaksi-koe-vaihtovirtapiirin-mysteeri-scratchilla-vaihesiirtyman-salaisuus","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=61579&lang=fi","title":{"rendered":"S\u00e4hk\u00f6n takaa-ajo n\u00e4kyv\u00e4ksi! Koe vaihtovirtapiirin mysteeri Scratchilla \u2013 Vaihesiirtym\u00e4n salaisuus"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4 on kokeilu.<\/strong><\/span><\/p>\n<p>S\u00e4hk\u00f6 on modernin el\u00e4m\u00e4mme selk\u00e4ranka, mutta sen n\u00e4kym\u00e4tt\u00f6m\u00e4n liikkeen hahmottaminen voi olla melkoinen p\u00e4hkin\u00e4 purtavaksi. Erityisesti vaihtovirran maailmassa virta ja j\u00e4nnite tuntuvat k\u00e4yv\u00e4n jatkuvaa hippasilla oloa kummallisen rytmin tahdissa.<\/p>\n<p>Oletko koskaan raapinut p\u00e4\u00e4t\u00e4si fysiikan tunnilla sanan vaihe (fasi) kohdalla? On aivan normaalia, jos puhe etunojasta tai viiveest\u00e4 tuntuu aluksi heprealta. Siksi olen luonut simulaation, joka muuttaa s\u00e4hk\u00f6n liikkeen n\u00e4kyv\u00e4ksi ympyr\u00e4n py\u00f6rimiseksi. T\u00e4m\u00e4n avulla monimutkainen vaihtovirtapiiri avautuu yht\u00e4 helposti kuin tanssiaskeleet!<\/p>\n<h3><a href=\"https:\/\/scratch.mit.edu\/projects\/303923675\/\">Virran ja j\u00e4nnitteen vaihe vastuksessa: T\u00e4ydellisess\u00e4 synkrossa<\/a><\/h3>\n<p>Aloitetaan yksinkertaisimmasta eli vastuksesta. Kun vastukseen kytket\u00e4\u00e4n vaihtoj\u00e4nnite, virta ja j\u00e4nnite ovat samassa vaiheessa.<\/p>\n<p>T\u00e4m\u00e4 on kuin kaksi tanssijaa, jotka liikkuvat t\u00e4ydellisess\u00e4 harmoniassa t\u00e4sm\u00e4lleen samaan tahtiin. Simulaatiossa n\u00e4et, kuinka kaksi viisaria py\u00f6rii p\u00e4\u00e4llekk\u00e4in ilman mink\u00e4\u00e4nlaista rakoa. Kokeile itse ja tunne, milt\u00e4 t\u00e4m\u00e4 saumaton yhteispeli n\u00e4ytt\u00e4\u00e4!<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/scratch.mit.edu\/projects\/303923675\/embed\" width=\"485\" height=\"402\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><iframe loading=\"lazy\" title=\"\u62b5\u6297\u306b\u304a\u3051\u308b\u96fb\u6d41\u3068\u96fb\u5727\u306e\u4f4d\u76f8\u3010\u4ea4\u6d41\u56de\u8def\u3011\" width=\"1140\" height=\"855\" src=\"https:\/\/www.youtube.com\/embed\/rsK-Cwrm5vU?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<h3><a href=\"https:\/\/scratch.mit.edu\/projects\/303925411\/\">Kondensaattori: Kun virta pit\u00e4\u00e4 kiirett\u00e4<\/a><\/h3>\n<p>Seuraavaksi tarkastellaan kondensaattoria, laitetta joka varastoi s\u00e4hk\u00f6\u00e4. T\u00e4\u00e4ll\u00e4 tapahtuu jotain mielenkiintoista: virta nimitt\u00e4in rynt\u00e4\u00e4 liikkeelle ennen j\u00e4nnitett\u00e4.<\/p>\n<p>Miksi n\u00e4in k\u00e4y? Ajattele kondensaattoria kuin vesi\u00e4mp\u00e4ri\u00e4. Jotta veden pinta (j\u00e4nnite) voisi nousta, \u00e4mp\u00e4riin on ensin kaadettava vett\u00e4 (virtaa). Siksi virta kulkee edell\u00e4 ja j\u00e4nnite seuraa per\u00e4ss\u00e4. Seuraa simulaatiossa, kuinka virran viisari ottaa johtoaseman!<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/scratch.mit.edu\/projects\/303925411\/embed\" width=\"485\" height=\"402\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><iframe loading=\"lazy\" title=\"\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3068\u4f4d\u76f8\u306e\u30ba\u30ec\uff08\u4ea4\u6d41\u56de\u8def\uff09\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u3011\" width=\"1140\" height=\"855\" src=\"https:\/\/www.youtube.com\/embed\/Yg_-lXpU6Ug?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<h3><a href=\"https:\/\/scratch.mit.edu\/projects\/303926520\/\">Kela: J\u00e4nnitteen johtama verkkainen maailma<\/a><\/h3>\n<p>Viimeisen\u00e4 vuorossa on kela, eli kiepille k\u00e4\u00e4ritty johdin. Kelan kohdalla tilanne on p\u00e4invastainen kuin kondensaattorilla: j\u00e4nnite py\u00f6rii virran edell\u00e4.<\/p>\n<p>Kelalla on hieman itsep\u00e4inen luonne: se vastustaa kaikkia virran muutoksia. Kun yrit\u00e4t sy\u00f6tt\u00e4\u00e4 s\u00e4hk\u00f6\u00e4, kela panee hanttiin, ja kest\u00e4\u00e4 hetken ennen kuin virta todella alkaa kulkea. Tuloksena virtaan paneva voima (j\u00e4nnite) nousee ensin, ja varsinainen virtaus seuraa per\u00e4ss\u00e4 viiveell\u00e4.<\/p>\n<p style=\"text-align: center;\"><iframe loading=\"lazy\" src=\"https:\/\/scratch.mit.edu\/projects\/303926520\/embed\" width=\"485\" height=\"402\" frameborder=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p><iframe loading=\"lazy\" title=\"\u30b3\u30a4\u30eb\u3068\u4f4d\u76f8\u306e\u30ba\u30ec\uff08\u4ea4\u6d41\u56de\u8def\uff09\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u3011\" width=\"1140\" height=\"855\" src=\"https:\/\/www.youtube.com\/embed\/ZoUEUdKNbpw?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>Oppikirjojen kaavat saattavat tuntua kuivilta, mutta kun s\u00e4hk\u00f6n persoonallisuutta tarkastelee liikkeen kautta, asiat loksahtavat paikoilleen yll\u00e4tt\u00e4v\u00e4n helposti. Jos tunnet koululaisia tai opiskelijoita, joille fysiikka tuottaa p\u00e4\u00e4nvaivaa, vinkkaa heille t\u00e4st\u00e4 simulaatiosta. N\u00e4kym\u00e4t\u00f6n s\u00e4hk\u00f6n maailma muuttuu kertaheitolla konkreettisemmaksi!<\/p>\n<h3>Kysymykset ja yhteisty\u00f6<\/h3>\n<p>Tehd\u00e4\u00e4n tieteen ihmeist\u00e4 ja hauskuudesta saavutettavaa! Olen koonnut vinkkej\u00e4 ja ohjeita helppoihin kotikokeiluihin \u2013 k\u00e4y tutkimassa lis\u00e4\u00e4!<\/p>\n<p>\u30fbTiedemuistiinpanoistani on julkaistu kirja. Lue lis\u00e4\u00e4 <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4st\u00e4<\/a><br \/>\n\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><br \/>\n\u30fbYhteydenotot (kirjoitusty\u00f6t, luennot, tiedepajat, tv-konsultointi jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4m\u00e4n linkin kautta<\/a><br \/>\n<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\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tiedekonstien Youtube-kanavalla<\/a> voit katsoa koe-videoita!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/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>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/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> \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","protected":false},"excerpt":{"rendered":"<p>Olen Ken Kuwako, tiedevalmentajasi. Jokainen p\u00e4iv\u00e4 on kokeilu. S\u00e4hk\u00f6 on modernin el\u00e4m\u00e4mme selk\u00e4ranka, mutta se [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33061,"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-61579","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\/2019\/04\/82044aec2c7a705ed49a63a73f3039a4.jpg","jetpack-related-posts":[{"id":55627,"url":"https:\/\/phys-edu.net\/wp\/?p=55627&lang=fi","url_meta":{"origin":61579,"position":0},"title":"Miksi magneetti pys\u00e4ytt\u00e4\u00e4 sen? Paljasta \u201cmuutosta vihaavan s\u00e4hk\u00f6n\u201d salaisuus k\u00e4\u00e4mikokeen avulla!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u67089\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedekouluttajanne. Joka p\u00e4iv\u00e4 on\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\/2016\/01\/addf2aebe79651e48b6a50a018791333.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":54249,"url":"https:\/\/phys-edu.net\/wp\/?p=54249&lang=fi","url_meta":{"origin":61579,"position":1},"title":"Lent\u00e4v\u00e4 perhonen! Staattisen s\u00e4hk\u00f6n taika kotona","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670812\u65e5","format":false,"excerpt":"Olen Kuwako Ken, tiedetreenaaja. 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\/2020\/03\/9288ae82a41dcc1b493ea206aa83a6a9.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/9288ae82a41dcc1b493ea206aa83a6a9.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/9288ae82a41dcc1b493ea206aa83a6a9.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":55161,"url":"https:\/\/phys-edu.net\/wp\/?p=55161&lang=fi","url_meta":{"origin":61579,"position":2},"title":"Miksi paino liikkuu? Opi s\u00e4hk\u00f6n ihmeist\u00e4 ja maadoituksen salaisuudesta \u201cS\u00e4hk\u00f6staattisen kellon\u201d avulla","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670830\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedekouluttaja. 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\/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%88-2025-07-13-5.23.29.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%88-2025-07-13-5.23.29.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%88-2025-07-13-5.23.29.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%88-2025-07-13-5.23.29.jpg?resize=700%2C400&ssl=1 2x, 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%88-2025-07-13-5.23.29.jpg?resize=1050%2C600&ssl=1 3x, 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%88-2025-07-13-5.23.29.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":54566,"url":"https:\/\/phys-edu.net\/wp\/?p=54566&lang=fi","url_meta":{"origin":61579,"position":3},"title":"Ei taikuutta! 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Joka p\u00e4iv\u00e4 on kok\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\/37368528cb7a1c21ee65dac98d309c4d.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/37368528cb7a1c21ee65dac98d309c4d.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/37368528cb7a1c21ee65dac98d309c4d.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":53682,"url":"https:\/\/phys-edu.net\/wp\/?p=53682&lang=fi","url_meta":{"origin":61579,"position":4},"title":"Ehdotettu otsikko: Pallotaikuutta! Tee n\u00e4kym\u00e4t\u00f6n s\u00e4hk\u00f6 n\u00e4kyv\u00e4ksi","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67083\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. 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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":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/61579","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=61579"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/61579\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/33061"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=61579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=61579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=61579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}