{"id":67874,"date":"2026-09-28T05:00:05","date_gmt":"2026-09-27T20:00:05","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=67874"},"modified":"2026-09-28T05:00:05","modified_gmt":"2026-09-27T20:00:05","slug":"yksi-lanka-kymmenen-langan-teho-rakenna-tehokkain-kela-taikalangalla-pascal-langalla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=67874&lang=fi","title":{"rendered":"Yksi lanka, kymmenen langan teho?! Rakenna tehokkain kela taikalangalla &#8216;Pascal-langalla"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Tiedekasvattaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on koe.<\/strong><\/span><\/p>\n<p>Ulkoisesti ihan tavallinen s\u00e4hk\u00f6johto. Mutta ent\u00e4 jos paljastaisin, ett\u00e4 tuo johto k\u00e4tkee sis\u00e4\u00e4ns\u00e4 salaa kymmenkertaisen tehon? Eik\u00f6 kuulosta j\u00e4nnitt\u00e4v\u00e4lt\u00e4? &#8220;Pascal-johto&#8221; on juuri t\u00e4llainen taikatemppu pullossa. Yhden letkun sis\u00e4\u00e4n on niputettu kymmenen erillist\u00e4 johdinta, ja kun virtaa sy\u00f6tet\u00e4\u00e4n, teho on per\u00e4ti kymmenkertainen tavalliseen johtoon verrattuna \u2013 nimens\u00e4 veroinen kummajainen.<\/p>\n<p>(Pascal-johdon rakentamiseen sopivaa kaapelia, kuten <a href=\"https:\/\/amzn.to\/47FsruV\">Fujikura VCTF 0,3sq \u00d7 10-johtiminen<\/a>, saa Amazonista.)<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"m0j7IpC6MW\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=44637\">\u30d1\u30b9\u30ab\u30eb\u96fb\u7dda\u3067\u78c1\u5834\u3092\u300c\u898b\u308b\u300d\uff01\u96fb\u6d41\u304c\u751f\u307f\u51fa\u3059\u898b\u3048\u306a\u3044\u529b\u306e\u6b63\u4f53<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u30d1\u30b9\u30ab\u30eb\u96fb\u7dda\u3067\u78c1\u5834\u3092\u300c\u898b\u308b\u300d\uff01\u96fb\u6d41\u304c\u751f\u307f\u51fa\u3059\u898b\u3048\u306a\u3044\u529b\u306e\u6b63\u4f53\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=44637&amp;embed=true#?secret=KXuYYquCz3#?secret=m0j7IpC6MW\" data-secret=\"m0j7IpC6MW\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h3>Kymmenkertainen teho tiivistettyn\u00e4 \u2013 kokeilulaite<\/h3>\n<p>Rakensin t\u00e4st\u00e4 kymmenkertaisen tehon Pascal-johdosta (1 m) viel\u00e4 tehokkaamman laitteen. Homma oli yll\u00e4tt\u00e4v\u00e4n yksinkertainen: kierr\u00e4 johto keloksi, siin\u00e4 kaikki.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-23994 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a406105832d1ff4673b1c0f8e0c065ef.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.47.32\" width=\"424\" height=\"343\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a406105832d1ff4673b1c0f8e0c065ef.jpg 424w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a406105832d1ff4673b1c0f8e0c065ef-300x243.jpg 300w\" sizes=\"auto, (max-width: 424px) 100vw, 424px\" \/><\/p>\n<p>Muistatko s\u00e4hk\u00f6magneetin ja moottorin toimintaperiaatteen? Mit\u00e4 enemm\u00e4n kela on kierretty ja mit\u00e4 voimakkaampi virta siin\u00e4 kulkee, sit\u00e4 vahvempi magneetti syntyy. Kierr\u00e4tin t\u00e4t\u00e4 Pascal-johtoa noin 20 kertaa ja kiinnitin sen paikoilleen. Silm\u00e4m\u00e4\u00e4r\u00e4isesti kyse on vain 20 kierroksesta. Mutta muistathan \u2013 Pascal-johdon sis\u00e4ll\u00e4 piileskelee kymmenen johdinta. Joten todellinen tulos on&#8230;<\/p>\n<p style=\"text-align: center;\">Kyll\u00e4 juuri niin: <b>20 kierrosta \u00d7 10 johdinta = yhteens\u00e4 200 kierrosta!<\/b><\/p>\n<p>T\u00e4ll\u00e4 kikalla sain aikaan tehokkaan kelan ilman, ett\u00e4 olisin joutunut v\u00e4s\u00e4\u00e4m\u00e4\u00e4n 200 kierrosta ohutta kuparilankaa k\u00e4sin. T\u00e4m\u00e4 oivallus on itse asiassa s\u00e4hk\u00f6n maailmassa todella t\u00e4rke\u00e4 periaate. My\u00f6s voimalaitosten j\u00e4ttim\u00e4iset generaattorit ja junia liikuttavat s\u00e4hk\u00f6moottorit tuottavat suuren tehonsa juuri kasvattamalla kelan kierrosm\u00e4\u00e4r\u00e4\u00e4 ja virtaa. Pascal-johto antaa mahdollisuuden kokea t\u00e4m\u00e4n &#8220;oikean tekniikan&#8221; pienoismallin k\u00e4mmenen kokoisena.<\/p>\n<h3>S\u00e4hk\u00f6n ja magnetismin taikaa her\u00e4tt\u00e4m\u00e4ss\u00e4<\/h3>\n<p>Mit\u00e4 t\u00e4ll\u00e4 &#8220;200 kierroksen kelalla&#8221; sitten voi tehd\u00e4? Se paljastaa kerralla fysiikan keskeisen j\u00e4nnitt\u00e4v\u00e4n ilmi\u00f6n: s\u00e4hk\u00f6n ja magnetismin v\u00e4lisen yhteyden.<\/p>\n<p>Kokeile ensin ilman paristoa: ty\u00f6nn\u00e4 ja ved\u00e4 magneettia kelan sis\u00e4ll\u00e4. Pelk\u00e4st\u00e4\u00e4n t\u00e4m\u00e4 riitt\u00e4\u00e4 tuottamaan &#8220;s\u00e4hk\u00f6magneettisen induktion&#8221; ilmi\u00f6n \u2013 toisin sanoen s\u00e4hk\u00f6\u00e4 syntyy. Kelan sis\u00e4inen magneettikent\u00e4n muutos synnytt\u00e4\u00e4 s\u00e4hk\u00f6\u00e4. Sama periaate toimii niin polkupy\u00f6r\u00e4n valoissa kuin suurissa voimalaitoksissakin.<\/p>\n<p>Kytke sitten keloon yksi tavallinen D-koon paristo. Nyt kela muuttuukin voimakkaaksi s\u00e4hk\u00f6magneetiksi! Kokeile tuoda kompassi l\u00e4helle \u2013 mit\u00e4 tapahtuu?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-23996 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/80af463f1098f6c62117f7a0a294043f.jpg\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 22016-01-27 23.50.05\" width=\"476\" height=\"356\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/80af463f1098f6c62117f7a0a294043f.jpg 671w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/80af463f1098f6c62117f7a0a294043f-300x224.jpg 300w\" sizes=\"auto, (max-width: 476px) 100vw, 476px\" \/><\/p>\n<p>Katsokaa vain!<\/p>\n<p>Kompassineula nytk\u00e4ht\u00e4\u00e4 voimakkaasti. Pelkk\u00e4 yksi paristo riitt\u00e4\u00e4 \u2013 todiste siit\u00e4, ett\u00e4 200 kierroksen teho synnytt\u00e4\u00e4 vahvan magneettikent\u00e4n. Muuten, tiesitk\u00f6, ett\u00e4 koko maapallo on itsess\u00e4\u00e4n valtava magneetti? Kompassineula osoittaa pohjoiseen, koska maan sisuksissa virtaava rauta ja nikkeli toimivat kuin j\u00e4ttim\u00e4inen kela ja synnytt\u00e4v\u00e4t magneettikent\u00e4n.<\/p>\n<p>Kun ajattelee, ett\u00e4 k\u00e4mmenen kokoinen koe ja koko maapallon laajuinen ilmi\u00f6 perustuvat samaan periaatteeseen, siin\u00e4 on jotain melko hienoa mittakaavan romantiikkaa.<\/p>\n<h3>Turvallinen &#8220;\u00e4lyk\u00e4s&#8221; oikosulku?<\/h3>\n<p>Jos t\u00e4ss\u00e4 kohtaa jokin alkoi askarruttaa, fysiikan vainusi on ter\u00e4v\u00e4. &#8220;Eik\u00f6 pelk\u00e4n johdon kytkeminen paristoon ole oikosulku? Eik\u00f6 se ole vaarallista?&#8221; Aivan oikein, normaalisti n\u00e4in olisikin. Mutta kun mittasin t\u00e4m\u00e4n laitteen virran, se oli vain noin 0,6 ampeeria. T\u00e4m\u00e4 on aivan turvallista paristok\u00e4yt\u00f6ss\u00e4. Miksi suurta virtaa ei siis synny?<\/p>\n<p>Salaisuus piilee johdon pituudessa. Johdolla on aina s\u00e4hk\u00f6vastus eli virran kulkua hidastava ominaisuus. K\u00e4ytetty Pascal-johto on tosin vain metrin mittainen, mutta sis\u00e4lt\u00e4\u00e4 kymmenen erillist\u00e4 johdinta. Kun se viel\u00e4 kierret\u00e4\u00e4n 20 kertaa, s\u00e4hk\u00f6n kulkema matka venyy huomattavan pitk\u00e4ksi. Mit\u00e4 pidempi matka, sit\u00e4 suurempi vastus \u2013 ja sit\u00e4 pienempi (turvallisempi) virta.<\/p>\n<p>T\u00e4ss\u00e4 laitteessa siis hy\u00f6dynnet\u00e4\u00e4n johdon omaa vastusta niin, ett\u00e4 vaikka kyseess\u00e4 onkin teknisesti oikosulku, suurta virtaa ei p\u00e4\u00e4se syntym\u00e4\u00e4n. Siksi johto ei my\u00f6sk\u00e4\u00e4n kuumene juurikaan, vaikka se olisi kytkettyn\u00e4 pidemp\u00e4\u00e4n.<\/p>\n<p>T\u00e4m\u00e4n ansiosta koulussakin voi helposti valmistaa laitteen jokaiselle ryhm\u00e4lle ja antaa oppilaiden turvallisesti kokeilla &#8220;oikeaa s\u00e4hk\u00f6magneettia&#8221; k\u00e4siss\u00e4\u00e4n. Kokeilkaa kotonakin rakentaa oma kymmenkertaisen tehon kela ja tutustukaa s\u00e4hk\u00f6n ja magnetismin ihmeelliseen maailmaan!<\/p>\n<p style=\"text-align: center;\">Pascal-johdon rakentamiseen sopiva kaapeli: <a href=\"https:\/\/amzn.to\/47FsruV\">Fujikura VCTF 0,3sq \u00d7 10-johtiminen<\/a><\/p>\n<h3>Yhteydenotot ja tilaukset<\/h3>\n<p>Tehd\u00e4\u00e4n tieteen ihmeist\u00e4 ja hauskuudesta entist\u00e4 l\u00e4hemp\u00e4n\u00e4 arkea! Sivustolta l\u00f6yd\u00e4t helppoja kotikokeita ja niiden vinkkej\u00e4 selke\u00e4sti koottuna. K\u00e4y tutustumassa!<br \/>\n\u30fbTiedevihkon sis\u00e4lt\u00f6 on julkaistu my\u00f6s kirjana. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbTietoa yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbErilaiset toimeksiannot (kirjoitukset, luennot, kokeilupajat, TV-konsultointi, esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbArtikkelip\u00e4ivitykset <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\">Tiedekokeiluja-kanavalla<\/a> julkaistaan kokeiluvideoita!<\/p>\n<h3>\uff19\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=23985\">\u7d19\u30b3\u30c3\u30d7\u3000\u30b8\u30e3\u30a4\u30ed\u30ed\u30b1\u30c3\u30c8\u3092\u4f5c\u308d\u3046\uff01<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone wp-image-67257\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-07-15.02.37.jpeg\" alt=\"\" width=\"229\" height=\"226\" \/><\/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>\uff19\u670825\u65e5\uff08\u91d1\uff0921:00\u301c\u3000<a href=\"https:\/\/bangumi.org\/tv_events\/AmHQQg-w0AM?overwrite_area=23\">\u304b\u307e\u3044\u305f\u3061\u306e\u77ac\u9593\u56de\u7b54\uff01<\/a>\u306b\u3066\u3001\u79d1\u5b66\u76e3\u4fee\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/li>\r\n \t<li>\uff11\uff10\u6708\uff11\uff10\u65e5\uff08\u571f\uff0911:15~12:00\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=66205\">\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf2026\u300c\u6851\u5b50\u5148\u751f\u306e\u56de\u8ee2\u79d1\u5b66\u30b7\u30e7\u30fc\u300d\u306b\u3066\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u3092\u884c\u3044\u307e\u3059<\/a>\u3002\r\n<img class=\"alignnone wp-image-66207 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/%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%88-2026-08-05-5.24.40.jpeg\" sizes=\"(max-width: 419px) 100vw, 419px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40.jpeg 1578w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-300x214.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-1024x731.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-768x548.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-1536x1096.jpeg 1536w\" alt=\"\" width=\"419\" height=\"299\" \/><\/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>\u300e<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\">\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<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\"><img class=\"alignnone wp-image-65097 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-04-8.40.17.jpeg\" alt=\"\" width=\"172\" height=\"244\" \/><\/a>\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\" \/><\/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 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> \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>Tiedekasvattaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on koe. Ulkoisesti ihan tavallinen s\u00e4hk\u00f6johto. Mutta ent\u00e4 jos pa [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":23994,"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-67874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":67635,"url":"https:\/\/phys-edu.net\/wp\/?p=67635&lang=fi","url_meta":{"origin":67874,"position":0},"title":"Yksi kaapeli, kymmenen edest\u00e4!? Koe &#8220;30 ampeerin&#8221; magneettikentt\u00e4 Pascal-kaapelilla (S-cable)","author":"\u6851\u5b50 \u7814","date":"2026\u5e749\u670820\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Jokainen 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\/2015\/12\/93ca26f2f0d5a2ef8a7454750cda4cf7.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/12\/93ca26f2f0d5a2ef8a7454750cda4cf7.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2015\/12\/93ca26f2f0d5a2ef8a7454750cda4cf7.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":65668,"url":"https:\/\/phys-edu.net\/wp\/?p=65668&lang=fi","url_meta":{"origin":67874,"position":1},"title":"Energia ei olekaan &#8220;esine&#8221;! Ty\u00f6n kautta paljastuva liike- ja potentiaalienergian todellinen olemus","author":"\u6851\u5b50 \u7814","date":"2026\u5e747\u670823\u65e5","format":false,"excerpt":"Olen Science Trainer Ken Kuwako. Joka p\u00e4iv\u00e4 on uus\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\/2026\/07\/Copilot_20260722_074340.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/Copilot_20260722_074340.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/Copilot_20260722_074340.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/Copilot_20260722_074340.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":67513,"url":"https:\/\/phys-edu.net\/wp\/?p=67513&lang=fi","url_meta":{"origin":67874,"position":2},"title":"N\u00e4e magneettikentt\u00e4 Pascal-johdolla! S\u00e4hk\u00f6virran n\u00e4kym\u00e4tt\u00f6m\u00e4n voiman salaisuus","author":"\u6851\u5b50 \u7814","date":"2026\u5e749\u670816\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Jokainen 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\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/01\/ac7c3bfe415b238d861ec4938799f560.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":67806,"url":"https:\/\/phys-edu.net\/wp\/?p=67806&lang=fi","url_meta":{"origin":67874,"position":3},"title":"Magneetti tanssii paperimukissa! Kokeile itse tehdyll\u00e4 johdolla, miten kaiutin toimii","author":"\u6851\u5b50 \u7814","date":"2026\u5e749\u670825\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. 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\/2016\/01\/729850cf65f106620da55e45ae23384b.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":55428,"url":"https:\/\/phys-edu.net\/wp\/?p=55428&lang=fi","url_meta":{"origin":67874,"position":4},"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":59364,"url":"https:\/\/phys-edu.net\/wp\/?p=59364&lang=fi","url_meta":{"origin":67874,"position":5},"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":[]}],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/a406105832d1ff4673b1c0f8e0c065ef.jpg","_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/67874","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=67874"}],"version-history":[{"count":1,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/67874\/revisions"}],"predecessor-version":[{"id":67875,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/67874\/revisions\/67875"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/23994"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=67874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=67874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=67874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}