{"id":64906,"date":"2026-06-28T04:37:00","date_gmt":"2026-06-27T19:37:00","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=64906"},"modified":"2026-06-28T04:37:00","modified_gmt":"2026-06-27T19:37:00","slug":"kytkin-poikki-mutta-se-ei-pysahdy%ef%bc%81kelan-sahkovarahtelyn-salaisuus-paljastuu-sensorilla-easysense-v-hub","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=64906&lang=fi","title":{"rendered":"Kytkin poikki, mutta se ei pys\u00e4hdy\uff01Kelan s\u00e4hk\u00f6v\u00e4r\u00e4htelyn salaisuus paljastuu sensorilla (EasySense V-Hub)"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4\u00e4ll\u00e4 kirjoittaa tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<p>Kun katkaisija avataan, voisi kuvitella s\u00e4hk\u00f6virran putoavan heti nollaan. Mutta todellisuudessa kela ei luovuta virtaa niin helposti. Se n\u00e4ytt\u00e4\u00e4 suorastaan vastustelevan muutosta, jolloin j\u00e4nnite alkaa v\u00e4r\u00e4hdell\u00e4 voimakkaasti. T\u00e4ss\u00e4 kokeessa tehd\u00e4\u00e4n tuo &#8220;kelan itsep\u00e4isyys&#8221; n\u00e4kyv\u00e4ksi anturin avulla.<\/p>\n<h3>Kytkent\u00e4 ja valmistelut<\/h3>\n<p>T\u00e4ss\u00e4 demonstraatiossa k\u00e4ytet\u00e4\u00e4n anturia s\u00e4hk\u00f6v\u00e4r\u00e4htelyn havainnollistamiseen. Rakenna alla olevan kaltainen virtapiiri, anna virran kulkea kelan l\u00e4pi ja katkaise sitten kytkin \u00e4killisesti. T\u00e4m\u00e4n j\u00e4lkeen mitataan kelan j\u00e4nnite j\u00e4nniteanturilla. K\u00e4ytetty laite on EasySense V-Hub.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-37589\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1816.jpg\" alt=\"\" width=\"420\" height=\"315\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1816.jpg 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1816-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1816-768x576.jpg 768w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><\/p>\n<p style=\"text-align: left;\">Anturin asetukset n\u00e4kyv\u00e4t alla. Aseta manuaalitilassa <b>mittausajaksi 200 ms<\/b> (my\u00f6s 100 ms toimii), <b>n\u00e4ytteenottotaajuudeksi noin 2000 Hz<\/b> ja m\u00e4\u00e4rit\u00e4 my\u00f6s mittauksen k\u00e4ynnistysehto.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-36866\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/08f5527eef60441f794d1f96cef8ac33.jpg\" alt=\"\" width=\"367\" height=\"226\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/08f5527eef60441f794d1f96cef8ac33.jpg 1410w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/08f5527eef60441f794d1f96cef8ac33-300x185.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/08f5527eef60441f794d1f96cef8ac33-1024x632.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/08f5527eef60441f794d1f96cef8ac33-768x474.jpg 768w\" sizes=\"auto, (max-width: 367px) 100vw, 367px\" \/><\/p>\n<h3>Kokeillaan k\u00e4yt\u00e4nn\u00f6ss\u00e4 \u2013 tuloksena upea aaltomuoto!<\/h3>\n<p style=\"text-align: left;\">N\u00e4in koe n\u00e4ytt\u00e4\u00e4 k\u00e4yt\u00e4nn\u00f6ss\u00e4. Katso video alta.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30bb\u30f3\u30b5\u30fc\u3092\u4f7f\u3063\u305f\u96fb\u6c17\u632f\u52d5\u306e\u5b9f\u9a13\uff08EasySense V-Hub Data Harvest\u793e\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/jjvi4Q6ba0w?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>Vaikka kytkin avataan, s\u00e4hk\u00f6virta ei katoa v\u00e4litt\u00f6m\u00e4sti. Sen sijaan <b>kelan vaikutuksesta j\u00e4nnite alkaa vaihdella<\/b>. Samalla n\u00e4kyviin ilmestyy h\u00e4mm\u00e4stytt\u00e4v\u00e4n kaunis aaltomuoto \u2013 aivan kuin oppikirjan sivuilta tuttu, siisti <b>sinimuotoinen v\u00e4r\u00e4htely<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-37592 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1817-1.jpg\" alt=\"\" width=\"520\" height=\"390\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1817-1.jpg 2048w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1817-1-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1817-1-1024x768.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1817-1-768x576.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/12\/IMG_1817-1-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/p>\n<p>T\u00e4t\u00e4 ilmi\u00f6t\u00e4 kutsutaan <b>itseinduktioksi<\/b>.<\/p>\n<p>Kun s\u00e4hk\u00f6virta yritt\u00e4\u00e4 muuttua nopeasti, kela synnytt\u00e4\u00e4 s\u00e4hk\u00f6motorisen voiman, joka vastustaa muutosta. Ik\u00e4\u00e4n kuin se sanoisi: &#8220;\u00c4l\u00e4 pys\u00e4hdy niin nopeasti!&#8221; T\u00e4m\u00e4 ominaisuus johtuu kelan <b>induktanssista<\/b>. Kun kela yhdistet\u00e4\u00e4n kondensaattoriin, muodostuu LC-piiri, jossa syntyy s\u00e4hk\u00f6v\u00e4r\u00e4htely\u00e4. Samaa ilmi\u00f6t\u00e4 hy\u00f6dynnet\u00e4\u00e4n esimerkiksi radioissa, joiden avulla voidaan vastaanottaa tiettyj\u00e4 taajuuksia.<\/p>\n<h3>Mit\u00e4 tapahtuu, kun kelan p\u00e4\u00e4lle asetetaan rautaa?<\/h3>\n<p>Kun kelan p\u00e4\u00e4lle asetetaan rautakappale tai muuten <b>muutetaan itseinduktanssia<\/b>, my\u00f6s v\u00e4r\u00e4htelyn jaksonaika muuttuu. Huomaatko, kuinka aaltojen v\u00e4linen et\u00e4isyys muuttuu? Mit\u00e4 suurempi induktanssi on, sit\u00e4 hitaammin s\u00e4hk\u00f6v\u00e4r\u00e4htely etenee. T\u00e4m\u00e4 muistuttaa heiluria: mit\u00e4 &#8220;raskaampi&#8221; heiluri, sit\u00e4 hitaammin se heiluu. My\u00f6s s\u00e4hk\u00f6piireiss\u00e4 on siis tavallaan oma vastineensa massalle. Juuri t\u00e4llaiset yht\u00e4l\u00e4isyydet tekev\u00e4t fysiikasta niin kiehtovaa.<\/p>\n<div class=\"g-ytsubscribe\" data-channelid=\"UCBoF1yPvFnXnSJ_Xe5AmXcw\" data-layout=\"full\" data-count=\"default\">Itseinduktio saa kelan n\u00e4ytt\u00e4m\u00e4\u00e4n melkein silt\u00e4 kuin sill\u00e4 olisi oma tahto. Anturin avulla n\u00e4kym\u00e4tt\u00f6m\u00e4t s\u00e4hk\u00f6v\u00e4r\u00e4htelyt muuttuvat n\u00e4kyviksi k\u00e4yriksi, joita voidaan tarkastella silmin. Se on yksi niist\u00e4 kokeista, jotka tekev\u00e4t varmasti vaikutuksen oppilaisiin.<\/div>\n<h3>Yhteydenotot ja yhteisty\u00f6<\/h3>\n<p>Haluamme tuoda tieteen ilot l\u00e4hemm\u00e4s arkea! Sivustolta l\u00f6yd\u00e4t hauskoja kotona teht\u00e4vi\u00e4 tiedekokeita sek\u00e4 selkeit\u00e4 vinkkej\u00e4 niiden toteuttamiseen. Kannattaa tutustua sis\u00e4lt\u00f6ihin!<\/p>\n<p>\u30fbSivuston parhaista sis\u00e4ll\u00f6ist\u00e4 on julkaistu my\u00f6s kirja. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n\u30fbLis\u00e4tietoja yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n\u30fbKirjoitus-, luento-, tiedepaja-, TV-asiantuntija- ja muut yhteisty\u00f6pyynn\u00f6t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a>.<br \/>\n<span class=\"s2\">\u30fbUusimmat artikkelit l\u00f6yd\u00e4t my\u00f6s <a href=\"https:\/\/x.com\/kuwako\">X:st\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\">Science Note -kanavalla<\/a> julkaistaan jatkuvasti uusia tiedekokeiden videoita!<\/p>\n<h3>\uff17\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\">\u590f\u3067\u30d7\u30b7\u30e5\u30c3\u3068\u723d\u3084\u304b\u5b9f\u9a13\uff01<\/p>\r\n<img class=\"alignnone wp-image-64964 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.31.58.jpeg\" alt=\"\" width=\"250\" height=\"310\" \/>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=206\">\u5c0f\u578b\u3067\u6301\u3061\u5e30\u308c\u308b\u3088\uff01\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u30ed\u30b1\u30c3\u30c8\u3092\u4f5c\u308d\u3046\uff01<\/a><\/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\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: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n \t<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 \t<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 \t<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 \t<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 \t<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 \t<li><a 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magia de la \u00abresta de colores\u00bb en el CMY Water Cube\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.10.13-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64954&#038;lang=es\">\u00a1Vierte agua y aparece un cubo\uff01 La magia de la \u00abresta de colores\u00bb en el CMY Water Cube<\/a><time datetime=\"2026-06-30T04:26:14+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64952&#038;lang=fi\" aria-label=\"Kaada vett\u00e4 ja kuutio ilmestyy tyhj\u00e4st\u00e4\uff01 CMY-vesilaatikon v\u00e4rien v\u00e4hennyslaskun ihme\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.10.13-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64952&#038;lang=fi\">Kaada vett\u00e4 ja kuutio ilmestyy tyhj\u00e4st\u00e4\uff01 CMY-vesilaatikon v\u00e4rien v\u00e4hennyslaskun ihme<\/a><time datetime=\"2026-06-30T04:25:56+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64949&#038;lang=hi\" aria-label=\"\u092a\u093e\u0928\u0940 \u0921\u093e\u0932\u093e \u0914\u0930 \u0918\u0928 \u092a\u094d\u0930\u0915\u091f \u0939\u094b \u0917\u092f\u093e\uff01 \u0930\u0902\u0917\u094b\u0902 \u0915\u0947 &#8216;\u0918\u091f\u093e\u0935&#8217; \u0938\u0947 \u092c\u0928\u093e \u091c\u093e\u0926\u0941\u0908 CMY \u0935\u0949\u091f\u0930 \u0915\u094d\u092f\u0942\u092c\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.10.13-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64949&#038;lang=hi\">\u092a\u093e\u0928\u0940 \u0921\u093e\u0932\u093e \u0914\u0930 \u0918\u0928 \u092a\u094d\u0930\u0915\u091f \u0939\u094b \u0917\u092f\u093e\uff01 \u0930\u0902\u0917\u094b\u0902 \u0915\u0947 &#8216;\u0918\u091f\u093e\u0935&#8217; \u0938\u0947 \u092c\u0928\u093e \u091c\u093e\u0926\u0941\u0908 CMY \u0935\u0949\u091f\u0930 \u0915\u094d\u092f\u0942\u092c<\/a><time datetime=\"2026-06-30T04:25:30+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64947&#038;lang=zh\" aria-label=\"\u5012\u5165\u6c34\u5f8c\u6b63\u65b9\u9ad4\u73fe\u8eab\uff01\u5149\u8207\u8272\u5f69\u300c\u6e1b\u6cd5\u6df7\u8272\u300d\u7684\u9b54\u6cd5\u2014\u2014CMY\u6c34\u7acb\u65b9\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.10.13-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64947&#038;lang=zh\">\u5012\u5165\u6c34\u5f8c\u6b63\u65b9\u9ad4\u73fe\u8eab\uff01\u5149\u8207\u8272\u5f69\u300c\u6e1b\u6cd5\u6df7\u8272\u300d\u7684\u9b54\u6cd5\u2014\u2014CMY\u6c34\u7acb\u65b9<\/a><time datetime=\"2026-06-30T04:24:33+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64945&#038;lang=ko\" aria-label=\"\ubb3c\uc744 \ubd80\uc5c8\ub354\ub2c8 \uc815\uc721\uba74\uccb4\uac00 \ub098\ud0c0\ub0ac\ub2e4\uff01 \ube5b\uacfc \uc0c9\uc758 &#8216;\ube84\uc148&#8217;\uc774 \ub9cc\ub4e4\uc5b4\ub0b4\ub294 CMY \uc6cc\ud130\ud050\ube0c\uc758 \uc2e0\ube44\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.10.13-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64945&#038;lang=ko\">\ubb3c\uc744 \ubd80\uc5c8\ub354\ub2c8 \uc815\uc721\uba74\uccb4\uac00 \ub098\ud0c0\ub0ac\ub2e4\uff01 \ube5b\uacfc \uc0c9\uc758 &#8216;\ube84\uc148&#8217;\uc774 \ub9cc\ub4e4\uc5b4\ub0b4\ub294 CMY \uc6cc\ud130\ud050\ube0c\uc758 \uc2e0\ube44<\/a><time datetime=\"2026-06-30T04:20:37+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64943&#038;lang=en\" aria-label=\"Pour Water and a Cube Appears! The CMY Water Cube That Reveals the Magic of Color Subtraction\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.10.13-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64943&#038;lang=en\">Pour Water and a Cube Appears! The CMY Water Cube That Reveals the Magic of Color Subtraction<\/a><time datetime=\"2026-06-30T04:19:18+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64936\" aria-label=\"\u6c34\u3092\u6ce8\u3044\u3060\u3089\u7acb\u65b9\u4f53\u304c\u73fe\u308c\u305f\uff01 \u5149\u3068\u8272\u306e\u300c\u5f15\u304d\u7b97\u300d\u304c\u751f\u307f\u51fa\u3059 CMY\u30a6\u30a9\u30fc\u30bf\u30fc\u30ad\u30e5\u30fc\u30d6\uff08\u30ca\u30ea\u30ab\uff09\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.10.13-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64936\">\u6c34\u3092\u6ce8\u3044\u3060\u3089\u7acb\u65b9\u4f53\u304c\u73fe\u308c\u305f\uff01 \u5149\u3068\u8272\u306e\u300c\u5f15\u304d\u7b97\u300d\u304c\u751f\u307f\u51fa\u3059 CMY\u30a6\u30a9\u30fc\u30bf\u30fc\u30ad\u30e5\u30fc\u30d6\uff08\u30ca\u30ea\u30ab\uff09<\/a><time datetime=\"2026-06-30T04:15:05+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670830\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64932&#038;lang=fi\" aria-label=\"Laite, joka n\u00e4ytt\u00e4\u00e4 \u00e4\u00e4nen silmillesi \u2014 Styroksipalat leijuvat ilmassa Kundtin putkessa\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/04\/a0611303d6eba47294762f1ff7a89003-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64932&#038;lang=fi\">Laite, joka n\u00e4ytt\u00e4\u00e4 \u00e4\u00e4nen silmillesi \u2014 Styroksipalat leijuvat ilmassa Kundtin putkessa<\/a><time datetime=\"2026-06-29T04:36:09+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670829\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64930&#038;lang=zh\" aria-label=\"\u8b93\u4fdd\u9e97\u9f8d\u61f8\u6d6e\u7a7a\u4e2d\uff01\u7528\u514b\u62c9\u5c3c\u7ba1\u300c\u770b\u898b\u8072\u97f3\u771f\u9762\u76ee\u300d\u7684\u795e\u5947\u88dd\u7f6e\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/04\/a0611303d6eba47294762f1ff7a89003-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=64930&#038;lang=zh\">\u8b93\u4fdd\u9e97\u9f8d\u61f8\u6d6e\u7a7a\u4e2d\uff01\u7528\u514b\u62c9\u5c3c\u7ba1\u300c\u770b\u898b\u8072\u97f3\u771f\u9762\u76ee\u300d\u7684\u795e\u5947\u88dd\u7f6e<\/a><time datetime=\"2026-06-29T04:35:36+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e746\u670829\u65e5<\/time><\/li>\n<\/ul>\r\n\r\n&nbsp;","protected":false},"excerpt":{"rendered":"<p>T\u00e4\u00e4ll\u00e4 kirjoittaa tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on uusi koe. Kun katkaisija avataan, voisi kuvite [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":36868,"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-64906","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\/2020\/12\/3f3f1dc7f5ff0caafc378fa641483858.jpg","jetpack-related-posts":[{"id":62840,"url":"https:\/\/phys-edu.net\/wp\/?p=62840&lang=fi","url_meta":{"origin":64906,"position":0},"title":"0,001 sekunnin taistelu! Itseinduktion luoma hidas s\u00e4hk\u00f6 ja sen mysteeri (Itseinduktio-koe)","author":"\u6851\u5b50 \u7814","date":"2026\u5e744\u670828\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 tiedevalmentaja Kuwako Ken. 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\/2019\/02\/118e33cc7b285327d83d5d2313d7b964.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/02\/118e33cc7b285327d83d5d2313d7b964.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/02\/118e33cc7b285327d83d5d2313d7b964.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/02\/118e33cc7b285327d83d5d2313d7b964.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/02\/118e33cc7b285327d83d5d2313d7b964.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/02\/118e33cc7b285327d83d5d2313d7b964.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":53013,"url":"https:\/\/phys-edu.net\/wp\/?p=53013&lang=fi","url_meta":{"origin":64906,"position":1},"title":"Koko luokka onnistuu! Vinkit paperiliitinmoottorin rakentamiseen (k\u00e4yt\u00e4nn\u00f6n toteutus muovisella aaltopahvilla)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670823\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, fysiikan opettajasi. 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