{"id":58197,"date":"2026-01-02T05:26:10","date_gmt":"2026-01-01T20:26:10","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=58197"},"modified":"2026-01-02T05:26:10","modified_gmt":"2026-01-01T20:26:10","slug":"maailman-muuttanut-i-kirjaimen-isku-elektronien-ja-magneettien-tarina-kuvaputkitelevision-sisalla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=58197&lang=fi","title":{"rendered":"Maailman muuttanut \u201cI\u201d-kirjaimen isku! Elektronien ja magneettien tarina kuvaputkitelevision sis\u00e4ll\u00e4"},"content":{"rendered":"<p style=\"text-align: center;\"><strong style=\"color: #339966;\">Tervehdys! Olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on yksi suuri tieteellinen koe.<\/strong><\/p>\n<p>&#8220;Nykyp\u00e4iv\u00e4n televisiot ovat ohuitakin ohuempia, mutta oletko koskaan miettinyt, miksi ne vanhat laitteet olivat niin valtavia ja painavia?&#8221;<\/p>\n<p>Nyky\u00e4\u00e4n niit\u00e4 n\u00e4kee en\u00e4\u00e4 harvoin edes kierr\u00e4tyskeskuksissa, mutta tuo raskas ja vankka <b>kuvaputkitelevisio<\/b> k\u00e4tkee sis\u00e4\u00e4ns\u00e4 jotain uskomatonta. Sen suuren kuoren sis\u00e4ll\u00e4 piilee <b>fysiikan j\u00e4nnitt\u00e4v\u00e4 draama<\/b>, joka on suoraa jatkumoa nykyajan huipputieteelle. Avataanpa t\u00e4m\u00e4 olohuoneen entinen valtias &#8220;tieteen silmin&#8221;.<\/p>\n<h3>Elektronitykki: Olohuoneen oma hiukkaskiihdytin<\/h3>\n<p>Kuvaputkitelevision syd\u00e4mess\u00e4 on laite, jota kutsutaan nimell\u00e4 &#8220;<b>elektronitykki<\/b>&#8220;.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-50438 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.07.58.jpg\" alt=\"\" width=\"463\" height=\"296\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.07.58.jpg 1200w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.07.58-300x192.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.07.58-1024x655.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.07.58-768x492.jpg 768w\" sizes=\"auto, (max-width: 463px) 100vw, 463px\" \/><\/p>\n<p>T\u00e4m\u00e4 tykki ampuu pikkuruisia hiukkasia, <b>elektroneja<\/b>, aivan mielet\u00f6nt\u00e4 vauhtia. N\u00e4m\u00e4 hiukkaset sy\u00f6ksyv\u00e4t kymmenien tuhansien kilometrien tuntinopeudella kohti ruutua, ja t\u00f6rm\u00e4yksen voimasta ruudun loisteaine alkaa hehkua valoa. N\u00e4in me n\u00e4emme kuvan.<\/p>\n<p>Kyseess\u00e4 on siis elektronien piirt\u00e4m\u00e4 valopisteiden taideteos. On suorastaan h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4 ajatella, ett\u00e4 ennen l\u00e4hes jokaisessa kodissa oli laite, joka <b>hallitsee mikroskooppisia hiukkasia<\/b> aivan kuten tutkijat laboratorioissaan!<\/p>\n<p>T\u00e4n\u00e4\u00e4n haluan esitell\u00e4 teille kokeen, joka her\u00e4tt\u00e4\u00e4 tuon vanhan tekniikan henkiin aivan uudella tavalla. Jos sinulta l\u00f6ytyy viel\u00e4 nurkista vanha televisio, kokeile kuvitella sen toimintaa lukiessasi t\u00e4t\u00e4. Kokeen nimi on: &#8220;<b>Mit\u00e4 tapahtuu, kun magneetti vied\u00e4\u00e4n kuvaputkitelevision l\u00e4helle?!<\/b>&#8221;<\/p>\n<h3>Elektronien ja magneetin tanssi: Miksi kuva v\u00e4\u00e4ristyy?<\/h3>\n<p><span style=\"font-size: 14px;\">Mit\u00e4 oikein tapahtuu, kun viet magneetin l\u00e4helle television ruutua? Katso t\u00e4m\u00e4 h\u00e4mment\u00e4v\u00e4 video:<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"\u30d6\u30e9\u30a6\u30f3\u7ba1\u30c6\u30ec\u30d3\u306b\u78c1\u77f3\u3092\u8fd1\u3065\u3051\u3066\u307f\u305f\uff01\uff08\u96fb\u5b50\u9283\u3068\u96fb\u5b50\u306e\u64cd\u4f5c\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/cxHbwwjBl3Y?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><span style=\"font-size: 14px;\">Ruudun maailma v\u00e4\u00e4ntyy ja venyy kuin pehme\u00e4 toffee, eik\u00f6 vain? T\u00e4m\u00e4 on suora osoitus siit\u00e4, ett\u00e4 magneetin luoma <\/span><b style=\"font-size: 14px;\">magneettikentt\u00e4<\/b><span style=\"font-size: 14px;\"> pakottaa television sis\u00e4ll\u00e4 lent\u00e4v\u00e4t <\/span><b style=\"font-size: 14px;\">elektronit poikkeamaan radaltaan<\/b><span style=\"font-size: 14px;\">.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-50437 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.17.jpg\" alt=\"\" width=\"504\" height=\"336\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.17.jpg 1258w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.17-300x200.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.17-1024x684.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.17-768x513.jpg 768w\" sizes=\"auto, (max-width: 504px) 100vw, 504px\" \/><\/p>\n<p>Kun elektronin kaltainen s\u00e4hk\u00f6isesti varautunut hiukkanen liikkuu magneettikent\u00e4ss\u00e4, siihen vaikuttaa erikoinen voima, jota kutsutaan <b>Lorentz-voimaksi<\/b>.<\/p>\n<p>T\u00e4m\u00e4 voima toimii kohtisuorassa sek\u00e4 elektronin kulkusuuntaa ett\u00e4 magneettikentt\u00e4\u00e4 vastaan. Siksi suoraan ruutua kohti matkalla ollut elektroni heilahtaakin sivuun magneetin vaikutuksesta \u2013 v\u00e4h\u00e4n kuin se saisi yll\u00e4tt\u00e4v\u00e4n t\u00f6n\u00e4isyn kylkeens\u00e4!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-50439 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.07.jpg\" alt=\"\" width=\"378\" height=\"287\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.07.jpg 1182w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.07-300x228.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.07-1024x778.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.07-768x583.jpg 768w\" sizes=\"auto, (max-width: 378px) 100vw, 378px\" \/><\/p>\n<p>Normaalisti kuvaputkitelevisio k\u00e4ytt\u00e4\u00e4 omia sis\u00e4isi\u00e4 magneettejaan (poikkeutuskeloja) ohjatakseen elektronit millintarkasti laidasta laitaan. Kun tuot ulkopuolisen voimakkaan magneetin l\u00e4helle, t\u00e4m\u00e4 hienovarainen kontrolli h\u00e4iriintyy, ja tuloksena on v\u00e4\u00e4ristynyt kuva ja villit v\u00e4rit.<\/p>\n<h3>Japanilaisen tieteen l\u00e4pimurto: &#8220;I&#8221;-kirjaimen isku<\/h3>\n<p>T\u00e4ss\u00e4 on arvokasta materiaalia Japanin kansallismuseosta, joka kertoo maamme television historiasta.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58183\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.18.jpg\" alt=\"\" width=\"508\" height=\"601\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.18.jpg 1012w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.18-253x300.jpg 253w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.18-865x1024.jpg 865w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.18-768x909.jpg 768w\" sizes=\"auto, (max-width: 508px) 100vw, 508px\" \/><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58184\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.38.jpg\" alt=\"\" width=\"604\" height=\"349\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.38.jpg 1658w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.38-300x173.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.38-1024x592.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.38-768x444.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.38-1536x888.jpg 1536w\" sizes=\"auto, (max-width: 604px) 100vw, 604px\" \/><\/p>\n<p style=\"text-align: center;\">Elektronitykin osa<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-58185 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.44.jpg\" alt=\"\" width=\"601\" height=\"643\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.44.jpg 1166w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.44-280x300.jpg 280w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.44-957x1024.jpg 957w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-01-02-5.05.44-768x822.jpg 768w\" sizes=\"auto, (max-width: 601px) 100vw, 601px\" \/><\/p>\n<p style=\"text-align: center;\">Voimme n\u00e4hd\u00e4, kuinka edelt\u00e4j\u00e4mme loivat magneettikentti\u00e4 kelojen avulla hallitakseen elektroneja vapaasti.<\/p>\n<p>Japanin televisiotutkimus alkoi 1920-luvulla professori Kenjiro Takayanagin ja h\u00e4nen tiimins\u00e4 toimesta. Vuonna 1926 maailman ensimm\u00e4inen kuvaputkelle heijastettu merkki oli katakana-merkki &#8220;<b>\u30a4<\/b>&#8221; (I). Tuolloin mekaaniset televisiot olivat viel\u00e4 valtavirtaa, joten elektronien hallintaan perustuva menetelm\u00e4 oli t\u00e4ysin vallankumouksellinen.<\/p>\n<p>My\u00f6hemmin vuonna 1953 NHK aloitti l\u00e4hetykset, ja televisio levisi kulutustavarana ymp\u00e4ri Japania. Se, ett\u00e4 voimme nyt nauttia upeista kuvista \u00e4lypuhelimillamme, on perint\u00f6\u00e4 t\u00e4lle historialle, jossa <b>elektronien ohjaaminen magneeteilla<\/b> hiottiin huippuunsa.<\/p>\n<h3>Onko revontulissakin kyse Lorentz-voimasta?<\/h3>\n<p><span style=\"font-size: 14px;\">Tiesitk\u00f6, ett\u00e4 t\u00e4m\u00e4 sama ilmi\u00f6 tapahtuu my\u00f6s avaruudessa? Auringosta sinkoutuvat varautuneet hiukkaset j\u00e4\u00e4v\u00e4t maapallon magneettikent\u00e4n vangiksi ja ohjautuvat Lorentz-voiman saattelemana kohti pohjois- ja etel\u00e4napoja. Kun ne t\u00f6rm\u00e4\u00e4v\u00e4t ilmakeh\u00e4\u00e4n, syntyv\u00e4t upeat <\/span><b style=\"font-size: 14px;\">revontulet<\/b><span style=\"font-size: 14px;\">.<\/span><\/p>\n<p>Toisin sanoen, vanhan kuvaputkitelevisiosi sis\u00e4ll\u00e4 tapahtuvat asiat noudattavat samaa periaatetta kuin maailmankaikkeuden kaunein valoilmi\u00f6! Eik\u00f6 tuo vanha laite n\u00e4yt\u00e4kin nyt hieman juhlavammalta? Arjen &#8220;itsest\u00e4\u00e4nselvyyksien&#8221; takaa l\u00f6ytyy l\u00e4hes aina tieteellisi\u00e4 salaisuuksia, jotka auttavat meit\u00e4 ymm\u00e4rt\u00e4m\u00e4\u00e4n koko maailmaa. Pidet\u00e4\u00e4n uteliaisuus yll\u00e4 ja tutkitaan tieteen ihmeit\u00e4 yhdess\u00e4!<\/p>\n<h3>Kyselyt ja yhteisty\u00f6<\/h3>\n<p>Tuo tieteen hauskuus l\u00e4hemm\u00e4s arkeasi! Olen koonnut sivuilleni vinkkej\u00e4 hauskoihin kotikokeisiin. Tutki ja innostu! \u30fbTietoa minusta (Ken Kuwako) l\u00f6yd\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbYhteisty\u00f6pyynn\u00f6t (artikkelit, luennot, tiedepajat jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a> <span class=\"s2\">\u30fbPysy ajan tasalla ja seuraa minua <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\">Tiedekanavalla<\/a> on lis\u00e4\u00e4 koevideoita!<\/p>\n<h3>\uff13\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=44853\">\u62bc\u3057\u82b1\u3092\u4f5c\u308d\u3046\uff01<\/a>\uff1a\u6885\u3084\u685c\u306e\u82b1\u306e\u62bc\u3057\u82b1\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u7279\u5225\u306a\u30b1\u30fc\u30b9\u306b\u5165\u308c\u308b\u3068\u3001\u9577\u304f\u4fdd\u5b58\u3067\u304d\u3066\u3001\u3057\u304a\u308a\u306b\u3082\u306a\u308a\u307e\u3059\u3002<\/li>\r\n<\/ul>\r\n<p><a href=\"https:\/\/phys-edu.net\/wp\/?p=44853\"><img class=\"alignnone wp-image-45250 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/6f7f8f2c6502a509617154ad6401e859.jpg\" alt=\"\" width=\"291\" height=\"302\" \/><\/a><\/p>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u30fb\u79d1\u5b66\u76e3\u4fee\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=59767\">\u6708\u66dc\u304b\u3089\u591c\u66f4\u304b\u3057<\/a>\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306b\u3066\u79d1\u5b66\u76e3\u4fee\u30fb\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=60859\">2\u670827\u65e5\u653e\u9001\u4e88\u5b9a\u300c\u30c1\u30b3\u3061\u3083\u3093\u306b\u53f1\u3089\u308c\u308b\u300d\uff08NHK\uff09\u306e\u79d1\u5b66\u76e3\u4fee\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>1\/27 <a href=\"https:\/\/phys-edu.net\/wp\/?p=59153\">\u300e\u898b\u3048\u306a\u3044\u529b\u3068\u904a\u307c\u3046\uff01\u96fb\u6c17\u30fb\u78c1\u77f3\u30fb\u71b1\u306e\u5b9f\u9a13\u300f\uff08\u5de5\u5b66\u793e\uff09\u3092\u57f7\u7b46\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=58878\">\u30b5\u30af\u30bb\u30b915 \uff12\u6708\u53f7<\/a>\u306b\u3066\u300c\u6d78\u900f\u5727\u300d\u306b\u95a2\u3059\u308b\u79d1\u5b66\u8a18\u4e8b\u3092\u57f7\u7b46\u3057\u307e\u3057\u305f\u3002<\/li>\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 <a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg\"><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\" \/><\/a> <\/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 <a href=\"https:\/\/amzn.to\/4aNldWh\"><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\" \/><\/a><\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u8b1b\u5e2b\u30fb\u30b7\u30e7\u30fc\u30fb\u305d\u306e\u4ed6\u304a\u77e5\u3089\u305b<\/b><\/span><\/h3>\r\n<ul>\r\n<li>3\/20\uff08\u91d1\uff09\u3000\u65e5\u672c\u7406\u79d1\u6559\u80b2\u5b66\u4f1a\u30aa\u30f3\u30e9\u30a4\u30f3\u5168\u56fd\u5927\u4f1a2026\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=60439\">\u6163\u6027\u306e\u6cd5\u5247\u306e\u6982\u5ff5\u5f62\u6210\u3092\u76ee\u6307\u3057\u305f\u63a2\u7a76\u7684\u306a\u5b66\u3073\u306e\u5b9f\u8df5\u300d\u306b\u3064\u3044\u3066\u767a\u8868<\/a>\u3057\u307e\u3059\u3002B\u4f1a\u5834 \u7b2c\uff13\u30bb\u30c3\u30b7\u30e7\u30f3\uff1a \u5b66\u7fd2\u6307\u5c0e\u30fb\u6559\u6750\uff08\u4e2d\u5b66\u6821\uff09\u2462\u300011:20-12:20<\/li>\r\n<li>7\/18\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<li>10\/10\uff08\u571f\uff09\u3000\u79d8\u5bc6\u5175\u5668\u300c\u5e2f\u96fb\u30ac\u30f3\u300d\u304c\u70b8\u88c2\uff01\u30d3\u30ea\u30d3\u30ea\uff01\u30c9\u30ad\u30c9\u30ad\uff01\u9759\u96fb\u6c17\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\uff20\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf\uff08\u5348\u5f8c\u4e88\u5b9a\uff09<\/li>\r\n<li><span style=\"text-align: center;\">\u5404\u7a2eSNS\u3000<\/span><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><span style=\"text-align: center;\">\uff0f<\/span><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><\/li>\r\n<\/ul>\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","protected":false},"excerpt":{"rendered":"<p>Tervehdys! Olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on yksi suuri tieteellinen koe. &#8220;Nykyp\u00e4iv\u00e4n t [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":50437,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","vkexunit_cta_each_option":"","footnotes":""},"categories":[1630],"tags":[],"class_list":["post-58197","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\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-08-03-5.08.17.jpg","jetpack-related-posts":[{"id":60644,"url":"https:\/\/phys-edu.net\/wp\/?p=60644&lang=fi","url_meta":{"origin":58197,"position":0},"title":"Kun oikeaa vastausta ei ole \u2013 siksi tiede on hauskaa! \u201cSalaper\u00e4inen laatikko\u201d paljastaa tieteen ytimen","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u670817\u65e5","format":false,"excerpt":"Hei, olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4i\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\/01\/dfdacc81db9b0c6840aaa86ff130c709.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/01\/dfdacc81db9b0c6840aaa86ff130c709.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/01\/dfdacc81db9b0c6840aaa86ff130c709.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":54198,"url":"https:\/\/phys-edu.net\/wp\/?p=54198&lang=fi","url_meta":{"origin":58197,"position":1},"title":"Kaikki murtuu! Sanomalehti ja n\u00e4kym\u00e4t\u00f6n elefantti \u2013 Ilmanpaineen uskomaton voima","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670811\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\/2025\/10\/%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%88-2025-10-11-5.08.37.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-11-5.08.37.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-11-5.08.37.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-11-5.08.37.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54807,"url":"https:\/\/phys-edu.net\/wp\/?p=54807&lang=fi","url_meta":{"origin":58197,"position":2},"title":"Ravista, pid\u00e4t\u00e4 ja purkaudu! Tee oma tulivuorenpurkaus colalla!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670822\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\/2025\/10\/%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%88-2025-10-22-4.30.31.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-22-4.30.31.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-22-4.30.31.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-22-4.30.31.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57757,"url":"https:\/\/phys-edu.net\/wp\/?p=57757&lang=fi","url_meta":{"origin":58197,"position":3},"title":"Mit\u00e4 tapahtuu, kun kupari ja sinkki laitetaan suolahappoon? Metallien \u201cpersoonallisuustesti\u201d ennen paristokokeita","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670823\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, tiedevalmentaja. 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