{"id":63707,"date":"2026-05-23T04:41:15","date_gmt":"2026-05-22T19:41:15","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63707"},"modified":"2026-05-23T04:41:15","modified_gmt":"2026-05-22T19:41:15","slug":"voiko-kahdesta-lasilevysta-ja-teipista-syntya-sateenkaari-tutkimme-valon-interferenssia-itse-rakennetulla-laitteella-%e3%80%90kiilamainen-interferenssi%e3%80%91","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63707&lang=fi","title":{"rendered":"Voiko kahdesta lasilevyst\u00e4 ja teipist\u00e4 synty\u00e4 sateenkaari? Tutkimme valon &#8220;interferenssi\u00e4&#8221; itse rakennetulla laitteella \u3010Kiilamainen interferenssi\u3011"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4\u00e4ll\u00e4 kirjoittaa Science Trainer Kuwako Ken. Jokainen p\u00e4iv\u00e4 on kuin uusi koe.<\/strong><\/span><\/p>\n<p>Pelk\u00e4st\u00e4\u00e4n asettamalla kaksi lasilevy\u00e4 p\u00e4\u00e4llekk\u00e4in voi n\u00e4kyviin ilmesty\u00e4 sateenkaaren v\u00e4risi\u00e4 raitoja \u2014 melkein kuin taikuutta. Viel\u00e4 h\u00e4mm\u00e4stytt\u00e4v\u00e4mp\u00e4\u00e4 on se, ett\u00e4 ilmi\u00f6n voi toteuttaa t\u00e4ysin tavallisilla materiaaleilla. Tarvitset vain kaksi objektilasia ja hieman teippi\u00e4. T\u00e4ll\u00e4 kertaa tarkastelimme omin k\u00e4sin rakennettua laitetta, jolla voi n\u00e4hd\u00e4 valon kiehtovan ilmi\u00f6n nimelt\u00e4 \u201ckiilainterferenssi\u201d.<\/p>\n<h3>Mit\u00e4 kiilainterferenssi tarkoittaa? Ilmi\u00f6 syntyy, koska valo on aaltoa<\/h3>\n<p>Aloitetaan siit\u00e4, miksi t\u00e4llaisia v\u00e4rikk\u00e4it\u00e4 raitoja ylip\u00e4\u00e4t\u00e4\u00e4n syntyy. Valolla on aallon ominaisuuksia. Kun kahden lasilevyn v\u00e4liin j\u00e4\u00e4 hyvin ohut ilmakerros, valo heijastuu sek\u00e4 yl\u00e4- ett\u00e4 alapinnasta. Kun n\u00e4m\u00e4 kaksi heijastunutta valoa kohtaavat, aallonharjat voivat vahvistaa toisiaan tai kumota toisensa. T\u00e4t\u00e4 kutsutaan <b>interferenssiksi<\/b>.<\/p>\n<p>Koska lasilevyjen v\u00e4linen ilmakerros on kiilan muotoinen, sen paksuus muuttuu v\u00e4hitellen paikasta toiseen. Juuri t\u00e4m\u00e4 paksuusero saa eri v\u00e4rit vahvistumaan eri kohdissa, jolloin n\u00e4kyviin muodostuu sateenkaaren v\u00e4risi\u00e4 juovia.<\/p>\n<p>T\u00e4sm\u00e4lleen sama ilmi\u00f6 n\u00e4kyy muuten saippuakuplien v\u00e4reiss\u00e4 ja l\u00e4t\u00e4k\u00f6iss\u00e4 kelluvissa \u00f6ljykalvoissa. Sama fysiikka piilee siis jo aivan arkip\u00e4iv\u00e4isiss\u00e4 maisemissa.<\/p>\n<h3>Laitteen rakentaminen \u2014 tarvitset vain nelj\u00e4 asiaa<\/h3>\n<p>Kokeessa k\u00e4ytettiin kahta suurta objektilasia. Rakennus on todella helppoa. Toisen lasin reunaan kiinnitet\u00e4\u00e4n pala teippi\u00e4, jotta lasien v\u00e4liin syntyy pieni rako. Sen j\u00e4lkeen toinen lasi asetetaan p\u00e4\u00e4lle ja laseja puristetaan yhteen esimerkiksi klipsill\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33231 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/01a3e9bbc0adaee67343089dc7cefd27.jpg\" alt=\"\" width=\"341\" height=\"227\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/01a3e9bbc0adaee67343089dc7cefd27.jpg 956w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/01a3e9bbc0adaee67343089dc7cefd27-300x200.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/01a3e9bbc0adaee67343089dc7cefd27-768x511.jpg 768w\" sizes=\"auto, (max-width: 341px) 100vw, 341px\" \/><\/p>\n<p>Yhden teippikerroksen paksuus on noin 0,05 millimetri\u00e4 eli 50 mikrometri\u00e4. T\u00e4m\u00e4 rako on vain noin <b>puolet ihmisen hiuksen paksuudesta<\/b>, mutta juuri siin\u00e4 tapahtuu valon interferenssi. Vertailun vuoksi: valon aallonpituus on viel\u00e4 yli tuhat kertaa pienempi. N\u00e4in ohuessa ilmakerroksessa valo k\u00e4ytt\u00e4ytyy h\u00e4mm\u00e4stytt\u00e4v\u00e4n tarkasti.<\/p>\n<h3>Mit\u00e4 tapahtui havaittaessa \u2014 sormien l\u00e4helle ilmestyi sateenkaaren v\u00e4risi\u00e4 raitoja<\/h3>\n<p>Kun laseja painetaan sormella hieman lis\u00e4\u00e4 ja niihin suunnataan esimerkiksi auringonvaloa, n\u00e4kyviin alkaa ilmesty\u00e4 heikkoja pystysuuntaisia raitoja. Katso video t\u00e4st\u00e4.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30ac\u30e9\u30b9\u306b\u6d6e\u304b\u3073\u4e0a\u304c\u308b\u8b0e\u306e\u6a21\u69d8\uff01\u3010\u304f\u3055\u3073\u578b\u306e\u5e72\u6e09\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/ad0baNElsAE?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 style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33232\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/116953a5093275693fe7f7cd6d066610.jpg\" alt=\"\" width=\"351\" height=\"335\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/116953a5093275693fe7f7cd6d066610.jpg 752w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/116953a5093275693fe7f7cd6d066610-300x286.jpg 300w\" sizes=\"auto, (max-width: 351px) 100vw, 351px\" \/><\/p>\n<p style=\"text-align: center;\">Huomaatko sateenkaaren v\u00e4riset raidat sormen l\u00e4hell\u00e4?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-33233 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/a3359610083803b09cac5d1d884ed649.jpg\" alt=\"\" width=\"359\" height=\"307\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/a3359610083803b09cac5d1d884ed649.jpg 914w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/a3359610083803b09cac5d1d884ed649-300x257.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/a3359610083803b09cac5d1d884ed649-768x657.jpg 768w\" sizes=\"auto, (max-width: 359px) 100vw, 359px\" \/><\/p>\n<p>Mielenkiintoista on, ett\u00e4 raidat n\u00e4kyv\u00e4t juuri siin\u00e4 kohdassa, jossa <b>kaksi lasilevy\u00e4 ovat l\u00e4himp\u00e4n\u00e4 toisiaan<\/b>. Kun lasien v\u00e4linen et\u00e4isyys muuttuu, my\u00f6s interferenssin ehdot muuttuvat, ja samalla raitojen v\u00e4li muuttuu. Itse asiassa raitojen v\u00e4list\u00e4 voidaan jopa laskea ilmakerroksen kulma eritt\u00e4in tarkasti. Kyse on yll\u00e4tt\u00e4v\u00e4n hienovaraisesta ilmi\u00f6st\u00e4.<\/p>\n<p>Raidat voivat olla hieman vaikeita n\u00e4hd\u00e4, joten kokeile katsella laseja eri kulmista. Kun valon tulokulma muuttuu, raidat erottuvat paljon helpommin.<\/p>\n<h3>T\u00e4t\u00e4 tekniikkaa k\u00e4ytet\u00e4\u00e4n my\u00f6s huipputarkassa mittauksessa<\/h3>\n<p>Kiilainterferenssi ei ole vain hauska kotikoe \u2014 sit\u00e4 k\u00e4ytet\u00e4\u00e4n oikeasti modernissa teollisuudessa. Linssien ja puolijohteiden valmistuksessa pinnan <b>\u00e4\u00e4rimm\u00e4isen pienet ep\u00e4tasaisuudet voidaan havaita interferenssikuvioiden avulla<\/b>. Jos raidat v\u00e4\u00e4ristyv\u00e4t, pinnassa on poikkeama.<\/p>\n<p>Valon aaltoja k\u00e4ytet\u00e4\u00e4n siis er\u00e4\u00e4nlaisena uskomattoman herkk\u00e4n\u00e4 mittaviivaimena, jolla voidaan tarkastella jopa nanometrien maailmaa.<\/p>\n<p>On aika vaikuttavaa, ett\u00e4 sama periaate voidaan n\u00e4hd\u00e4 kotona vain kahdella lasilevyll\u00e4 ja teipill\u00e4. T\u00e4m\u00e4 pieni kokeilu antaa maistiaisen aivan samoista optisista mittausmenetelmist\u00e4, joita k\u00e4ytet\u00e4\u00e4n huipputeknologiassa. Kokeile sit\u00e4 aurinkoisena p\u00e4iv\u00e4n\u00e4 ikkunan \u00e4\u00e4ress\u00e4 \u2014 saatat kirjaimellisesti n\u00e4hd\u00e4 omin silmin, ett\u00e4 valo on aaltoa.<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tuodaan tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! Sivustolta l\u00f6yd\u00e4t helposti toteutettavia kotikokeita sek\u00e4 vinkkej\u00e4 niiden onnistumiseen. K\u00e4y tutkimassa lis\u00e4\u00e4!<\/p>\n<p>\u30fb\u201dKagakun Netach\u014d\u201d -sivuston sis\u00e4ll\u00f6ist\u00e4 on julkaistu my\u00f6s kirja. Lis\u00e4tiedot l\u00f6ytyv\u00e4t <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4tietoja yll\u00e4pit\u00e4j\u00e4 Kuwako Kenist\u00e4 l\u00f6ytyy <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbErilaiset yhteisty\u00f6pyynn\u00f6t (kirjoitukset, luennot, tiedety\u00f6pajat, TV-valvonta ja esiintymiset jne.) l\u00f6ytyv\u00e4t <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbArtikkelien p\u00e4ivitykset julkaistaan my\u00f6s <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\">Kagakun Neta Channel<\/a> julkaisee my\u00f6s kokeiluvideoita!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/p>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/li>\r\n<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09<br \/><img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><br \/><\/strong><\/li>\r\n<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002<br \/><img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\uff08\u65e5\u672c\u8a9e\uff09<\/p>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a>\uff08\u82f1\u8a9e\uff09<\/p>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>T\u00e4\u00e4ll\u00e4 kirjoittaa Science Trainer Kuwako Ken. Jokainen p\u00e4iv\u00e4 on kuin uusi koe. Pelk\u00e4st\u00e4\u00e4n asettamalla kaksi la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":33233,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","sns_share_botton_hide":"","vkExUnit_sns_title":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":""},"categories":[1630],"tags":[],"class_list":["post-63707","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/a3359610083803b09cac5d1d884ed649.jpg","jetpack-related-posts":[{"id":55854,"url":"https:\/\/phys-edu.net\/wp\/?p=55854&lang=fi","url_meta":{"origin":63707,"position":0},"title":"Pyydyst\u00e4 valon taittuminen! Nelj\u00e4 nuppineulaa paljastaa valon salaisen reitin (Pystytk\u00f6 paljastamaan valokuvahuijauksen?)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u670813\u65e5","format":false,"excerpt":"Olen Ken Kuwako, 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\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":63495,"url":"https:\/\/phys-edu.net\/wp\/?p=63495&lang=fi","url_meta":{"origin":63707,"position":1},"title":"Valo sammutti s\u00e4hk\u00f6n!? Koe Einsteinin suuri l\u00f6yt\u00f6 kultalehtielektroskoopin avulla","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670817\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 kirjoittaa tiedevalmentaja Ken Kuwako. Joka\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/b787ecad58b1def51bfc9db92d1be846.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/b787ecad58b1def51bfc9db92d1be846.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/b787ecad58b1def51bfc9db92d1be846.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/b787ecad58b1def51bfc9db92d1be846.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/b787ecad58b1def51bfc9db92d1be846.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":63194,"url":"https:\/\/phys-edu.net\/wp\/?p=63194&lang=fi","url_meta":{"origin":63707,"position":2},"title":"Toista 200 vuotta vanha suuri tiedel\u00f6yt\u00f6 paperimukeilla! N\u00e4e kotona itse todiste siit\u00e4, ett\u00e4 valo on aalto (Youngin koe)","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u67088\u65e5","format":false,"excerpt":"T\u00e4ss\u00e4 tiedeblogi Science Trainer Kuwako Kenilt\u00e4. J\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%88-2025-10-19-5.22.05-1.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%88-2025-10-19-5.22.05-1.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%88-2025-10-19-5.22.05-1.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%88-2025-10-19-5.22.05-1.jpg?resize=700%2C400&ssl=1 2x, 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%88-2025-10-19-5.22.05-1.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":63087,"url":"https:\/\/phys-edu.net\/wp\/?p=63087&lang=fi","url_meta":{"origin":63707,"position":3},"title":"48 asteen taika: Kurkistus pingviinien &#8220;toiseen maailmaan&#8221;","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u67085\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 puhuu Science Trainer Kuwako Ken. Joka p\u00e4iv\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"20130804131400","src":"https:\/\/i0.wp.com\/cdn-ak.f.st-hatena.com\/images\/fotolife\/k\/kkuwako\/20130804\/20130804131400.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":58015,"url":"https:\/\/phys-edu.net\/wp\/?p=58015&lang=fi","url_meta":{"origin":63707,"position":4},"title":"Mit\u00e4 tapahtuu, kun valo kulkee prisman l\u00e4pi? Valkoinen valo muuttuu seitsem\u00e4n v\u00e4rin palapeliksi \u2013 Newtonin rakastama valon maailma","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670830\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on u\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\/12\/%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%88-2025-12-30-4.50.48.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-30-4.50.48.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-30-4.50.48.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2025-12-30-4.50.48.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57961,"url":"https:\/\/phys-edu.net\/wp\/?p=57961&lang=fi","url_meta":{"origin":63707,"position":5},"title":"Tiedett\u00e4 kotona! Valoa kiert\u00e4m\u00e4ll\u00e4 syntyy v\u00e4rej\u00e4? Teippi muuttuu taikamaaliksi \u2014 rakenna polarisaatiokaleidoskooppi","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670828\u65e5","format":false,"excerpt":"Hei, olen tiedevalmentaja Ken Kuwako. Minulle joka\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\/2017\/10\/0fb44cfc278b2c42fbd26873066923ef.png?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63707","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=63707"}],"version-history":[{"count":1,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63707\/revisions"}],"predecessor-version":[{"id":63708,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63707\/revisions\/63708"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/33233"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63707"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63707"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63707"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}