{"id":68968,"date":"2026-10-28T05:11:27","date_gmt":"2026-10-27T20:11:27","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=68968"},"modified":"2026-10-28T05:11:27","modified_gmt":"2026-10-27T20:11:27","slug":"esiintyminen-voiko-alakerran-television-kaynnistaa-ylakerrasta-kolmen-peilin-kaukosaadinkokeen-tiede-tbsn-nature-teacher","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=68968&lang=fi","title":{"rendered":"[Esiintyminen] Voiko alakerran television k\u00e4ynnist\u00e4\u00e4 yl\u00e4kerrasta? Kolmen peilin kaukos\u00e4\u00e4dinkokeen tiede (TBS:n \u201cNature Teacher\u201d)"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Tiedekouluttaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on koe.<\/strong><\/span><\/p>\n<p>Olet yl\u00e4kerran huoneessa, painat alakerran television kaukos\u00e4\u00e4dint\u00e4, ja televisio menee p\u00e4\u00e4lle. Kuulostaako mahdottomalta? Sein\u00e4t ja lattiat ovat tiell\u00e4, mutta ent\u00e4 jos rakentaisit n\u00e4kym\u00e4tt\u00f6m\u00e4n valopolun, joka kuljettaa signaalin perille asti?<\/p>\n<p>Aiemmin olin mukana asiantuntijana ja esiintyj\u00e4n\u00e4 TBS:n tiedeohjelmassa &#8220;Nature Teacher&#8221;, kun siin\u00e4 tutkittiin <a href=\"https:\/\/phys-edu.net\/wp\/?p=67309\">p\u00f6yt\u00e4liinatemppua<\/a>. Nyt ohjelma otti minuun yhteytt\u00e4 uudelleen, ja t\u00e4ll\u00e4 kertaa toimin sek\u00e4 asiantuntijana ett\u00e4 esiintyj\u00e4n\u00e4. Jakso esitettiin <strong>tiistaina 27. lokakuuta<\/strong>. Oli todella hauskaa p\u00e4\u00e4st\u00e4 taas haastamaan itse\u00e4ni yhdess\u00e4 Chocolate Planetin kanssa. T\u00e4m\u00e4n kerran kysymys kuului: &#8220;Voiko yl\u00e4kerrasta saada alakerran television p\u00e4\u00e4lle?&#8221;<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/tver.jp\/series\/sr9q4n3zsc\">Katsottavissa TVeriss\u00e4!<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-68955 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.44.55.jpeg\" alt=\"\" width=\"538\" height=\"316\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.44.55.jpeg 538w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.44.55-300x176.jpeg 300w\" sizes=\"auto, (max-width: 538px) 100vw, 538px\" \/><\/p>\n<p style=\"text-align: center;\">Chikyu marugoto daijikken Nature Teacher (Maailman suuri koe: Nature Teacher)<\/p>\n<p><a href=\"https:\/\/tver.jp\/episodes\/epbtlmzlxr\">Uusi sarja! Chocolate Planet ja timelesz haastavat toisensa &#8220;Onnistuuko vai eik\u00f6 onnistu?&#8221; -arvauskisassa. Katsottavissa TVeriss\u00e4<\/a><\/p>\n<h3>Voiko television saada p\u00e4\u00e4lle yl\u00e4kerrasta? Tieteen voimalla yritykseen!<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-68950 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.26.53.jpeg\" alt=\"\" width=\"451\" height=\"252\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.26.53.jpeg 1860w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.26.53-300x168.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.26.53-1024x573.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.26.53-768x429.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.26.53-1536x859.jpeg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.26.53-320x180.jpeg 320w\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" \/><\/p>\n<p>Jaksossa oli kaksi tietokilpailuteht\u00e4v\u00e4\u00e4. Min\u00e4 olin mukana ensimm\u00e4isess\u00e4: &#8220;Onnistuuko television saaminen p\u00e4\u00e4lle yl\u00e4kerrasta peilien avulla?&#8221;<\/p>\n<ul>\n<li>Onnistuuko television saaminen p\u00e4\u00e4lle yl\u00e4kerrasta peilien avulla?<\/li>\n<li>Onnistuuko bataatin saaminen mureaksi ja makeaksi saunan l\u00f6ylyss\u00e4?<\/li>\n<\/ul>\n<p>Ohjelman juontajina toimivat Chocolate Planet (Shohei Osada ja Shun Matsuo), ja mukana olivat my\u00f6s timeleszin Yoshitaka Hara ja Daiki Shinozuka. Min\u00e4 osallistuin Nature Teacherina.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-68951 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06.jpeg\" alt=\"\" width=\"531\" height=\"298\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06.jpeg 1836w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06-300x169.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06-1024x576.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06-768x432.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06-1536x863.jpeg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06-320x180.jpeg 320w\" sizes=\"auto, (max-width: 531px) 100vw, 531px\" \/><\/p>\n<p>Toisessa teht\u00e4v\u00e4ss\u00e4 Nature Teacherina oli <a href=\"https:\/\/x.com\/genkiichioka\">Genki Ichioka<\/a>, ja mukana oli my\u00f6s l\u00f6ylymestari ja bataattiambassadori <a href=\"https:\/\/x.com\/amayan\">Sota Amaya<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-68868 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-25-19.05.25.jpeg\" alt=\"\" width=\"323\" height=\"362\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-25-19.05.25.jpeg 752w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-25-19.05.25-268x300.jpeg 268w\" sizes=\"auto, (max-width: 323px) 100vw, 323px\" \/><\/p>\n<h3>Kaukos\u00e4\u00e4timest\u00e4 l\u00e4htee n\u00e4kym\u00e4t\u00f6nt\u00e4 valoa<\/h3>\n<p>Television kaukos\u00e4\u00e4timen k\u00e4rjest\u00e4 l\u00e4htee valoa, jota kutsutaan infrapunas\u00e4teilyksi. Sen aallonpituus on pidempi kuin punaisen valon, joten ihmissilm\u00e4 ei n\u00e4e sit\u00e4. Nimi tulee siit\u00e4, ett\u00e4 se sijaitsee spektriss\u00e4 &#8220;punaisen alapuolella&#8221; (infra = alla). Kaukos\u00e4\u00e4din vilkuttaa t\u00e4t\u00e4 valoa nopeasti, ja vilkkumisen kuvio kertoo televisiolle, mit\u00e4 pit\u00e4\u00e4 tehd\u00e4: &#8220;kytkeydy p\u00e4\u00e4lle&#8221;, &#8220;lis\u00e4\u00e4 \u00e4\u00e4nt\u00e4&#8221; ja niin edelleen.<\/p>\n<p>Silmin valoa ei n\u00e4e, mutta jos painat kaukos\u00e4\u00e4timen nappia ja katsot k\u00e4rke\u00e4 \u00e4lypuhelimen kameran l\u00e4pi, se saattaa n\u00e4ky\u00e4 valkoisena tai violettina hehkuna. Kaikissa puhelimissa t\u00e4m\u00e4 ei toimi, mutta kannattaa kokeilla!<\/p>\n<p>Kaukos\u00e4\u00e4timen infrapunavalo heijastuu peilist\u00e4 aivan kuten n\u00e4kyv\u00e4 valo. T\u00e4t\u00e4 ominaisuutta hy\u00f6dynt\u00e4m\u00e4ll\u00e4 valo saadaan kuljetettua yl\u00e4kerrasta alakertaan. On kuitenkin yksi ongelma: jokaisessa heijastuksessa peili imee osan valosta, joten valo heikkenee. Siksi yritimme p\u00e4rj\u00e4t\u00e4 mahdollisimman v\u00e4h\u00e4ll\u00e4 peilim\u00e4\u00e4r\u00e4ll\u00e4 ja p\u00e4\u00e4dyimme kolmeen peiliin.<\/p>\n<h3>Kuinka pitk\u00e4lle kaukos\u00e4\u00e4din kantaa kolmella peilill\u00e4?<\/h3>\n<p>Lasketaanpa v\u00e4h\u00e4n.<\/p>\n<p>Tavallinen kaukos\u00e4\u00e4din kantaa noin 13 metri\u00e4. Merkit\u00e4\u00e4n kaukos\u00e4\u00e4timen l\u00e4hett\u00e4m\u00e4n infrapunavalon alkuvoimakkuutta kirjaimella I. Valo hajaantuu ja heikkenee sit\u00e4 enemm\u00e4n, mit\u00e4 kauemmas se kulkee, ja sen voimakkuus on k\u00e4\u00e4nt\u00e4en verrannollinen et\u00e4isyyden neli\u00f6\u00f6n. Siksi valon voimakkuus 13 metrin p\u00e4\u00e4ss\u00e4 voidaan ilmaista seuraavasti:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-68952 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.34.53.jpeg\" alt=\"\" width=\"46\" height=\"52\" \/><\/p>\n<p>Seuraavaksi huomioidaan peilien aiheuttama heikkeneminen. Oletetaan, ett\u00e4 tavallinen peili heikent\u00e4\u00e4 valon voimakkuuden yhdess\u00e4 heijastuksessa 0,8-kertaiseksi. Kolmella peilill\u00e4 saadaan 0,8 \u00d7 0,8 \u00d7 0,8 eli noin 0,51, eli valosta on j\u00e4ljell\u00e4 en\u00e4\u00e4 vajaa puolet. Valon voimakkuus et\u00e4isyydell\u00e4 d on silloin:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-68953 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.34.57.jpeg\" alt=\"\" width=\"70\" height=\"48\" \/><\/p>\n<p>Televisio reagoi yht\u00e4 heikkoon valoon kuin 13 metrin p\u00e4\u00e4ss\u00e4. Lasketaan siis seuraava yht\u00e4l\u00f6:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-68954 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.35.01.jpeg\" alt=\"\" width=\"165\" height=\"67\" \/><\/p>\n<p>Tulokseksi saadaan d = 9,3 m. Toisin sanoen infrapunavalo, joka normaalisti kantaisi 13 metri\u00e4, pysyy kolmen peilin j\u00e4lkeen riitt\u00e4v\u00e4n voimakkaana television p\u00e4\u00e4lle laittamiseen vain noin 9,3 metrin matkalla. T\u00e4ss\u00e4 d on valon kulkema kokonaismatka kaukos\u00e4\u00e4timest\u00e4 peilien kautta television vastaanottimeen.<\/p>\n<p>T\u00e4m\u00e4 on kuitenkin ihannetapauksen laskelma. Todellisuudessa peilien lika, kulmien pienet virheet ja valon hajaantuminen tekev\u00e4t olosuhteista viel\u00e4 vaikeammat.<\/p>\n<h3>Hajaantuva valo kootaan suurennuslasilla<\/h3>\n<p>Valolla on my\u00f6s taipumus levit\u00e4 sit\u00e4 mukaa kuin se etenee. Siksi keksimme kiinnitt\u00e4\u00e4 suurennuslasin (kupera linssi) television vastaanottimen eteen, jotta hajaantunut valo saadaan koottua takaisin vastaanottimeen. Muistatko, miten suurennuslasilla voi ker\u00e4t\u00e4 auringonvaloa niin kirkkaaksi ja kuumaksi pisteeksi, ett\u00e4 paperi alkaa savuta? Sama periaate p\u00e4tee t\u00e4ss\u00e4kin: hajaantunut infrapunavalo kootaan yhteen pisteeseen vastaanottimessa, ja heikentynyt valo saadaan edes v\u00e4h\u00e4n vahvemmaksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-68949 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.38.jpeg\" alt=\"\" width=\"433\" height=\"243\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.38.jpeg 1858w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.38-300x168.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.38-1024x574.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.38-768x431.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.38-1536x861.jpeg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.38-320x180.jpeg 320w\" sizes=\"auto, (max-width: 433px) 100vw, 433px\" \/><\/p>\n<p>Ent\u00e4 onnistuiko koe vai ei? <a href=\"https:\/\/tver.jp\/series\/sr9q4n3zsc\">Vastaus selvi\u00e4\u00e4 TVeriss\u00e4!<\/a><\/p>\n<h3>Mik\u00e4 on Nature Teacher?<\/h3>\n<p><a href=\"https:\/\/www.tbs.co.jp\/tv\/20261027_C2C0.html\">TBS:n virallisen sivuston<\/a> &#8220;Nature Teacher&#8221; -ohjelmakuvauksen mukaan:<\/p>\n<blockquote><p>Jakson sis\u00e4lt\u00f6<br \/>\n[Uusi sarja! Arkip\u00e4iv\u00e4n ihmetyksi\u00e4 tutkitaan perusteellisesti: Onnistuuko vai eik\u00f6 onnistu? -arvauskisa]<br \/>\nChocolate Planet sek\u00e4 Hara ja Shinozuka jakautuvat kahteen joukkueeseen ja arvaavat, onnistuuko vai eik\u00f6 onnistu!<\/p>\n<p>\u30fbOnnistuuko bataatin saaminen mureaksi ja makeaksi saunan l\u00f6ylyss\u00e4?<br \/>\n\u30fbOnnistuuko television saaminen p\u00e4\u00e4lle yl\u00e4kerrasta peilien avulla?<\/p>\n<p>H\u00e4vi\u00e4j\u00e4joukkueen rangaistuksessa tapahtuu h\u00e4mm\u00e4stytt\u00e4v\u00e4 l\u00f6yt\u00f6, joka j\u00e4risytt\u00e4\u00e4 koko viihdemaailmaa!?<\/p><\/blockquote>\n<p>Ohjelmasta on julkaistu my\u00f6s traileri.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u3067\u304d\u308b? \u3067\u304d\u306a\u3044? \u4e88\u60f3\u30af\u30a4\u30ba!\u300e\u30cd\u30a4\u30c1\u30e3\u30fc\u30c6\u30a3\u30fc\u30c1\u30e3\u30fc\u300f10\/27(\u706b)\u3010TBS\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/u5CBf0MBOGs?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>L\u00e4hteet<\/h3>\n<p>Aiemmin esitetyst\u00e4 p\u00f6yt\u00e4liinatempusta voit lukea t\u00e4\u00e4lt\u00e4.<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"PF5ckEAJII\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=67309\">\u3010\u76e3\u4fee\u3011\u30e9\u30f3\u30dc\u30eb\u30ae\u30fc\u30cb\u3067\u5de8\u5927\u30c6\u30fc\u30d6\u30eb\u30af\u30ed\u30b9\u5f15\u304d\uff01\u6163\u6027\u306e\u6cd5\u5247\u304c\u8a66\u3055\u308c\u305f\u885d\u6483\u5b9f\u9a13\uff08\u30cd\u30a4\u30c1\u30e3\u30fc\u30c6\u30a3\u30fc\u30c1\u30e3\u30fc\uff09<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201d\u3010\u76e3\u4fee\u3011\u30e9\u30f3\u30dc\u30eb\u30ae\u30fc\u30cb\u3067\u5de8\u5927\u30c6\u30fc\u30d6\u30eb\u30af\u30ed\u30b9\u5f15\u304d\uff01\u6163\u6027\u306e\u6cd5\u5247\u304c\u8a66\u3055\u308c\u305f\u885d\u6483\u5b9f\u9a13\uff08\u30cd\u30a4\u30c1\u30e3\u30fc\u30c6\u30a3\u30fc\u30c1\u30e3\u30fc\uff09\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=67309&amp;embed=true#?secret=uNEQjhUUaG#?secret=PF5ckEAJII\" data-secret=\"PF5ckEAJII\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h3>Yhteydenotot ja toimeksiannot<\/h3>\n<p>Haluan tuoda tieteen ihmeet ja hauskuuden l\u00e4hemm\u00e4s arkea! T\u00e4ll\u00e4 sivustolla kerrotaan selke\u00e4sti, miten kotona voi tehd\u00e4 hauskoja tiedekokeita, ja annetaan vinkkej\u00e4 onnistumiseen. Kannattaa selailla ja etsi\u00e4!<br \/>\n\u30fbTiedeaiheisen blogini sis\u00e4ll\u00f6st\u00e4 on tehty kirja. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4\u00e4 sivuston yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbToimeksiannot (kirjoittaminen, luennot, kokeilutunnit, TV-asiantuntijaty\u00f6 ja esiintyminen jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbP\u00e4ivitykset julkaistaan <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\">Tiedekokeita videoina &#8220;Kagaku no Neta&#8221; -kanavalla!<\/a><\/p>\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><a href=\"https:\/\/phys-edu.net\/wp\/?p=68740\">\u300c\u30cd\u30a4\u30c1\u30e3\u30fc\u30c6\u30a3\u30fc\u30c1\u30e3\u30fc\u300d\uff08TBS\uff09<\/a>\u306b\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002Tver\u306b\u306611\u67083\u65e5\uff08\u706b\uff09\u307e\u3067\u914d\u4fe1\u4e2d\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-68951 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06.jpeg\" alt=\"\" width=\"474\" height=\"266\" \/><\/p>\r\n<ul>\r\n<li><a href=\"https:\/\/www.mbs.jp\/saturday-plus\/\">\u30b5\u30bf\u30d7\u30e9\uff08MBS\uff09<\/a>\u306b\u3066\u300c\u65e5\u5e38\u306b\u6f5c\u3080\uff01\u30d4\u30f3\u30c1\u8131\u51fa\u6cd5\u306b\u3064\u3044\u3066\u300d\u306e\u30b3\u30fc\u30ca\u30fc\u306b\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002Tver\u306b\u3066<a href=\"https:\/\/tver.jp\/episodes\/epmfevh9zv?p=1654\">11\u67087\u65e5\uff08\u571f\uff09\u307e\u3067\u914d\u4fe1\u4e2d\u3067\u3059\u3002<\/a><\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-69117 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-01-4.35.38.jpeg\" alt=\"\" width=\"443\" height=\"249\" \/><\/p>\r\n<ul>\r\n<li>11\u67084\u65e5\uff08\u6c34\uff09\u3000<a href=\"https:\/\/www.ntv.co.jp\/zip\/\">ZIP\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09<\/a>7:20\u9803\u653e\u9001\u4e88\u5b9a\uff08\u79d1\u5b66\u76e3\u4fee\uff09<\/li>\r\n<li>11\u670827\u65e5\uff08\u91d1\uff09\u3000\u30c6\u30ec\u30d3\u76e3\u4fee\u756a\u7d44\u653e\u9001\u4e88\u5b9a<\/li>\r\n<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>\uff11\uff11\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=69130\">\u3069\u3046\u3057\u3066\u7d50\u9732\u306f\u8d77\u3053\u308b\u306e\u304b\uff1f\u7d50\u9732\u3092\u9632\u3050\u305f\u3081\u306b\u306f\uff1f\u5b9f\u9a13\u3067\u78ba\u304b\u3081\u3088\u3046\uff01<\/a><\/p>\r\n<p><img class=\"alignnone wp-image-69132 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/%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%88-2026-10-31-10.02.13-10.07.37.jpeg\" sizes=\"(max-width: 420px) 100vw, 420px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37.jpeg 1322w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-300x253.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-1024x863.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-768x647.jpeg 768w\" alt=\"\" width=\"316\" height=\"266\" \/><\/p>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<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<br \/><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<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\" \/><\/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;\">\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<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<h3 style=\"text-align: left;\"><ul class=\"wp-block-latest-posts__list is-grid has-dates wp-block-latest-posts is-layout-flow wp-block-latest-posts-is-layout-flow\"><li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69205&#038;lang=es\" aria-label=\"\u00a1Se enciende sin estar conectado! El misterio de la inducci\u00f3n mutua: un LED sobre una bobina que destella por un instante\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.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=69205&#038;lang=es\">\u00a1Se enciende sin estar conectado! El misterio de la inducci\u00f3n mutua: un LED sobre una bobina que destella por un instante<\/a><time datetime=\"2026-11-03T04:57:56+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69203&#038;lang=fi\" aria-label=\"Ei johtoa, silti syttyy! K\u00e4\u00e4min p\u00e4\u00e4ll\u00e4 oleva LED v\u00e4l\u00e4ht\u00e4\u00e4 hetkeksi \u2013 keskin\u00e4isinduktion ihme\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.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=69203&#038;lang=fi\">Ei johtoa, silti syttyy! K\u00e4\u00e4min p\u00e4\u00e4ll\u00e4 oleva LED v\u00e4l\u00e4ht\u00e4\u00e4 hetkeksi \u2013 keskin\u00e4isinduktion ihme<\/a><time datetime=\"2026-11-03T04:56:23+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69201&#038;lang=hi\" aria-label=\"\u092c\u093f\u0928\u093e \u0924\u093e\u0930 \u091c\u0941\u0921\u093c\u0947 \u0939\u0940 \u091c\u0932 \u0909\u0920\u0940 LED! \u0915\u0949\u0907\u0932 \u092a\u0930 \u092a\u0932 \u092d\u0930 \u0915\u0940 \u091a\u092e\u0915 \u0915\u093e \u0930\u093e\u091c\u093c \u0939\u0948 \u0905\u0928\u094d\u092f\u094b\u0928\u094d\u092f \u092a\u094d\u0930\u0947\u0930\u0923\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.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=69201&#038;lang=hi\">\u092c\u093f\u0928\u093e \u0924\u093e\u0930 \u091c\u0941\u0921\u093c\u0947 \u0939\u0940 \u091c\u0932 \u0909\u0920\u0940 LED! \u0915\u0949\u0907\u0932 \u092a\u0930 \u092a\u0932 \u092d\u0930 \u0915\u0940 \u091a\u092e\u0915 \u0915\u093e \u0930\u093e\u091c\u093c \u0939\u0948 \u0905\u0928\u094d\u092f\u094b\u0928\u094d\u092f \u092a\u094d\u0930\u0947\u0930\u0923<\/a><time datetime=\"2026-11-03T04:55:59+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69199&#038;lang=zh\" aria-label=\"\u6c92\u6709\u63a5\u7dda\u537b\u6703\u4eae!\u7dda\u5708\u4e0a\u7684LED\u77ac\u9593\u9583\u4e00\u4e0b,\u4e92\u611f\u7684\u795e\u5947\u73fe\u8c61\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.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=69199&#038;lang=zh\">\u6c92\u6709\u63a5\u7dda\u537b\u6703\u4eae!\u7dda\u5708\u4e0a\u7684LED\u77ac\u9593\u9583\u4e00\u4e0b,\u4e92\u611f\u7684\u795e\u5947\u73fe\u8c61<\/a><time datetime=\"2026-11-03T04:54:48+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69196&#038;lang=ko\" aria-label=\"\uc120\uc774 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc558\ub294\ub370 \ubd88\uc774 \ucf1c\uc9c4\ub2e4! \ucf54\uc77c \uc704 LED\uac00 \uc21c\uac04 \ubc18\uc9dd, \uc0c1\ud638 \uc720\ub3c4\uc758 \uc2e0\ube44\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.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=69196&#038;lang=ko\">\uc120\uc774 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc558\ub294\ub370 \ubd88\uc774 \ucf1c\uc9c4\ub2e4! \ucf54\uc77c \uc704 LED\uac00 \uc21c\uac04 \ubc18\uc9dd, \uc0c1\ud638 \uc720\ub3c4\uc758 \uc2e0\ube44<\/a><time datetime=\"2026-11-03T04:53:42+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69194&#038;lang=en\" aria-label=\"No Wires, Still Glowing! The Magic of Mutual Induction That Flashes an LED for a Split Second\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.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=69194&#038;lang=en\">No Wires, Still Glowing! The Magic of Mutual Induction That Flashes an LED for a Split Second<\/a><time datetime=\"2026-11-03T04:53:02+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69186\" aria-label=\"\u3064\u306a\u304c\u3063\u3066\u3044\u306a\u3044\u306e\u306b\u5149\u308b! \u30b3\u30a4\u30eb\u306e\u4e0a\u306eLED\u304c\u4e00\u77ac\u3060\u3051\u70b9\u706f\u3059\u308b\u76f8\u4e92\u8a98\u5c0e\u306e\u4e0d\u601d\u8b70\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.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=69186\">\u3064\u306a\u304c\u3063\u3066\u3044\u306a\u3044\u306e\u306b\u5149\u308b! \u30b3\u30a4\u30eb\u306e\u4e0a\u306eLED\u304c\u4e00\u77ac\u3060\u3051\u70b9\u706f\u3059\u308b\u76f8\u4e92\u8a98\u5c0e\u306e\u4e0d\u601d\u8b70<\/a><time datetime=\"2026-11-03T04:50:22+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=40697\" aria-label=\"\u305f\u3063\u305f2\u3064\u306e\u8a2d\u5b9a\u3067\u30bf\u30a4\u30d4\u30f3\u30b0\u304c\u6fc0\u5909! Mac\u306e\u300c\u30ad\u30fc\u306e\u30ea\u30d4\u30fc\u30c8\u300d\u3092\u8a66\u3057\u3066\u307f\u305f\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.36.21-150x150.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=40697\">\u305f\u3063\u305f2\u3064\u306e\u8a2d\u5b9a\u3067\u30bf\u30a4\u30d4\u30f3\u30b0\u304c\u6fc0\u5909! Mac\u306e\u300c\u30ad\u30fc\u306e\u30ea\u30d4\u30fc\u30c8\u300d\u3092\u8a66\u3057\u3066\u307f\u305f<\/a><time datetime=\"2026-11-03T04:22:56+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69165&#038;lang=es\" aria-label=\"\u00bfSolo con lavavajillas desaparece la condensaci\u00f3n de la ventana? La ciencia detr\u00e1s de las gotas que se extienden\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-150x150.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=69165&#038;lang=es\">\u00bfSolo con lavavajillas desaparece la condensaci\u00f3n de la ventana? La ciencia detr\u00e1s de las gotas que se extienden<\/a><time datetime=\"2026-11-02T04:33:38+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67082\u65e5<\/time><\/li>\n<\/ul><\/h3>\r\n<p>&nbsp;<\/p>\r\n<h3 style=\"text-align: left;\"><\/h3>\r\n","protected":false},"excerpt":{"rendered":"<p>Tiedekouluttaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Joka p\u00e4iv\u00e4 on koe. Olet yl\u00e4kerran huoneessa, painat alakerran television ka [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":68959,"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-68968","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":59364,"url":"https:\/\/phys-edu.net\/wp\/?p=59364&lang=fi","url_meta":{"origin":68968,"position":0},"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":[]},{"id":60075,"url":"https:\/\/phys-edu.net\/wp\/?p=60075&lang=fi","url_meta":{"origin":68968,"position":1},"title":"Voiko ympyr\u00e4 muuttua aalloksi? Scratchilla piirretty siniaallon salaper\u00e4inen ja kaunis maailma (fysiikan ja matematiikan oppimateriaali)","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u67085\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Ken Kuwako. 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