{"id":63514,"date":"2026-05-18T04:16:35","date_gmt":"2026-05-17T19:16:35","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63514"},"modified":"2026-05-18T04:16:35","modified_gmt":"2026-05-17T19:16:35","slug":"kaksi-puhelinta-riittaa-koe-aanen-aaltojen-sykkiva-ilmio-kotona-itse","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63514&lang=fi","title":{"rendered":"Kaksi puhelinta riitt\u00e4\u00e4! Koe \u00e4\u00e4nen aaltojen \u201csykkiv\u00e4\u201d ilmi\u00f6 kotona itse"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Tiedevalmentaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Jokainen p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<h3>Koe \u00e4\u00e4nen v\u00e4r\u00e4htely ilmi\u00f6 kotona! Helppo kokeilu kahdella \u00e4lypuhelimella<\/h3>\n<p>Oletko joskus kuullut \u00e4\u00e4nen, joka tuntuu \u201csykkiv\u00e4n\u201d tai aaltoilevan? T\u00e4m\u00e4 outo mutta kiehtova ilmi\u00f6 tunnetaan nimell\u00e4 <b>ly\u00f6nti-ilmi\u00f6<\/b>, ja sen voi helposti kokea my\u00f6s kotona. T\u00e4ss\u00e4 artikkelissa kokeilemme ilmi\u00f6t\u00e4 kahden \u00e4lypuhelimen tai tabletin avulla. <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63475 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-17-4.32.09.jpeg\" alt=\"\" width=\"432\" height=\"328\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-17-4.32.09.jpeg 908w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-17-4.32.09-300x228.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-17-4.32.09-768x584.jpeg 768w\" sizes=\"auto, (max-width: 432px) 100vw, 432px\" \/><\/p>\n<h3>Mit\u00e4 ly\u00f6nti-ilmi\u00f6 tarkoittaa?<\/h3>\n<p><b>Ly\u00f6nti-ilmi\u00f6 syntyy, kun kaksi l\u00e4hes saman\u00adtaajuista \u00e4\u00e4nt\u00e4 kuuluu yht\u00e4 aikaa.<\/b> Kun \u00e4\u00e4niaallot menev\u00e4t p\u00e4\u00e4llekk\u00e4in, \u00e4\u00e4ni voimistuu ja heikkenee vuorotellen. Korvissa t\u00e4m\u00e4 kuulostaa aaltoilevalta \u201cwau-wau\u201d tai \u201cvoom-voom\u201d -\u00e4\u00e4nelt\u00e4.<\/p>\n<p>Esimerkiksi jos soitetaan yht\u00e4 aikaa 440 Hz:n ja 442 Hz:n \u00e4\u00e4net, kuuluu kaksi ly\u00f6nti\u00e4 sekunnissa. Ly\u00f6ntien m\u00e4\u00e4r\u00e4 vastaa tarkalleen taajuuksien erotusta. T\u00e4m\u00e4 ei ole sattumaa, vaan seurausta fysiikan ilmi\u00f6st\u00e4 nimelt\u00e4 <b>aaltoliike ja superpositio<\/b>. Soitinrakentajat ja viritt\u00e4j\u00e4t hy\u00f6dynt\u00e4v\u00e4t t\u00e4t\u00e4 ilmi\u00f6t\u00e4 instrumenttien virityksess\u00e4.<\/p>\n<h3>Katsotaan ilmi\u00f6t\u00e4 videolta<\/h3>\n<p>Aloita katsomalla t\u00e4m\u00e4 video. Siin\u00e4 esitell\u00e4\u00e4n ly\u00f6nti-ilmi\u00f6n havainnointia sek\u00e4 kerrotaan my\u00f6s <b>\u00e4\u00e4niraudan toiminnasta<\/b> ja <b>resonanssilevyn merkityksest\u00e4<\/b>.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u304a\u5bb6\u3067\u300c\u3046\u306a\u308a\u300d\u3092\u89b3\u5bdf\u3057\u3088\u3046\uff01\u3010\u30b9\u30de\u30db\u3067\u5b9f\u9a13\uff01\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/ZmNpsdZ8FaU?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>Videolla esitelty\u00e4 talking tape -lelua l\u00f6ytyy my\u00f6s lelukaupoista.<\/p>\n<p>https:\/\/phys-edu.net\/wp\/?p=46797<\/p>\n<h3>Kuuntele ja vertaile \u00e4\u00e4ni\u00e4<\/h3>\n<p>Opettaja M on tehnyt ohjelman, joka tuottaa erilaisia \u00e4\u00e4ni\u00e4 kaiuttimista. T\u00e4t\u00e4 voi k\u00e4ytt\u00e4\u00e4 my\u00f6s opetuksessa koulussa. Kokeile kuunnella erityisesti kohtia 1 ja 2 ja vertailla niit\u00e4.<\/p>\n<p><b>1. Vasemmalla ja oikealla sama 440 Hz:n \u00e4\u00e4ni samassa vaiheessa<\/b><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-63514-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/wav\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div440.wav?_=1\" \/><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div440.wav\">https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div440.wav<\/a><\/audio>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div440.wav\">Lataa<\/a><\/p>\n<p><b>2. Vasemmalta 440 Hz, oikealta 440 Hz vastakkaisessa vaiheessa<\/b><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-63514-2\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/wav\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div440gyakuitonaritoonaji.wav?_=2\" \/><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div440gyakuitonaritoonaji.wav\">https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div440gyakuitonaritoonaji.wav<\/a><\/audio>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div440gyakuitonaritoonaji.wav\">Lataa<\/a><\/p>\n<p>Kuulostaako toinen \u00e4\u00e4ni hieman <b>sameammalta tai pehme\u00e4mm\u00e4lt\u00e4<\/b> kuin ensimm\u00e4inen? T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 vastakkaisvaiheiset aallot kumoavat osittain toisensa. On h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4, ett\u00e4 vaikka taajuus on sama 440 Hz, pelkk\u00e4 vaihe-ero muuttaa \u00e4\u00e4nen tuntua n\u00e4in paljon.<\/p>\n<h3>Kokeile ly\u00f6nti-ilmi\u00f6t\u00e4 itse<\/h3>\n<p>Seuraavassa \u00e4\u00e4nitteess\u00e4 <b>vasen kaiutin soittaa 400 Hz:n \u00e4\u00e4nt\u00e4 ja oikea kaiutin 402 Hz:n \u00e4\u00e4nt\u00e4<\/b>. Koska taajuusero on 2 Hz, pit\u00e4isi kuulua kaksi ly\u00f6nti\u00e4 sekunnissa. T\u00e4t\u00e4 voi kokeilla my\u00f6s esimerkiksi iPadilla.<\/p>\n<p><b>3. Vasemmalta 400 Hz, oikealta 402 Hz (ly\u00f6nti-ilmi\u00f6)<\/b><\/p>\n<audio class=\"wp-audio-shortcode\" id=\"audio-63514-3\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/wav\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div442.wav?_=3\" \/><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div442.wav\">https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div442.wav<\/a><\/audio>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/12\/440div442.wav\">Lataa<\/a><\/p>\n<p>Kun kuulet ly\u00f6nti-ilmi\u00f6n, <b>peit\u00e4 k\u00e4dell\u00e4 vasen kaiutin.<\/b> Huomaat, ett\u00e4 aaltoileva \u00e4\u00e4ni katoaa heti. Kun toinen \u00e4\u00e4nist\u00e4 poistuu, aaltojen p\u00e4\u00e4llekk\u00e4isyys loppuu \u2014 ja samalla my\u00f6s ly\u00f6nti-ilmi\u00f6 h\u00e4vi\u00e4\u00e4. T\u00e4m\u00e4 on hieno tapa tuntea fysiikka omilla aisteilla.<\/p>\n<p>Ly\u00f6nti-ilmi\u00f6 on luonnon kaunis seuraus siit\u00e4, ett\u00e4 kaksi \u00e4\u00e4niaaltoa yhdistyy. \u00c4lypuhelimilla ja tableteilla sen voi kokea helposti my\u00f6s kotona. Kokeile rohkeasti yhdess\u00e4 perheen tai yst\u00e4vien kanssa! Sivustolta l\u00f6ytyy my\u00f6s muita \u00e4\u00e4nirautaan liittyvi\u00e4 kokeita, joten k\u00e4y ihmeess\u00e4 tutustumassa niihin.<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6<\/h3>\n<p>Tuodaan tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! Sivustolta l\u00f6yd\u00e4t helposti toteutettavia tiedekokeita sek\u00e4 selkeit\u00e4 vinkkej\u00e4 niiden tekemiseen. K\u00e4y tutkimassa lis\u00e4\u00e4! \u30fbTiedeaiheisesta muistikirjasta on julkaistu my\u00f6s kirja. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbLis\u00e4tietoa sivuston yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta l\u00f6ytyy <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbErilaiset yhteisty\u00f6pyynn\u00f6t (kirjoitukset, luennot, tiedety\u00f6pajat, TV-valvonta ja esiintymiset) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a> <span class=\"s2\">\u30fbUusimmat artikkelip\u00e4ivitykset l\u00f6ytyv\u00e4t my\u00f6s <a href=\"https:\/\/x.com\/kuwako\">X:st\u00e4<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Tieteen ideakanavalla<\/a> julkaistaan jatkuvasti uusia 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 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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>Tiedevalmentaja Ken Kuwako t\u00e4\u00e4ll\u00e4. Jokainen p\u00e4iv\u00e4 on uusi koe. Koe \u00e4\u00e4nen v\u00e4r\u00e4htely ilmi\u00f6 kotona! Helppo kokeil [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":63475,"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-63514","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\u30c8-2026-05-17-4.32.09.jpeg","jetpack-related-posts":[{"id":52302,"url":"https:\/\/phys-edu.net\/wp\/?p=52302&lang=fi","url_meta":{"origin":63514,"position":0},"title":"Ei asennusta! Toimii my\u00f6s koulun tietokoneilla \u2013 t\u00e4ydellinen \u00e4\u00e4nikokeisiin: CR-WEB (Narika)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670815\u65e5","format":false,"excerpt":"Hei, olen tiedeohjaaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 \u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/07\/ec6f976fed447ff8a387d17d13ab39c6-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/07\/ec6f976fed447ff8a387d17d13ab39c6-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/07\/ec6f976fed447ff8a387d17d13ab39c6-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/07\/ec6f976fed447ff8a387d17d13ab39c6-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/07\/ec6f976fed447ff8a387d17d13ab39c6-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2023\/07\/ec6f976fed447ff8a387d17d13ab39c6-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":59879,"url":"https:\/\/phys-edu.net\/wp\/?p=59879&lang=fi","url_meta":{"origin":63514,"position":1},"title":"Hetki, jolloin ambulanssin sireenin \u00e4\u00e4ni muuttuu! \u00c4lypuhelimella koettava h\u00e4mm\u00e4stytt\u00e4v\u00e4 tiedekoe (Doppler-ilmi\u00f6)","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u67082\u65e5","format":false,"excerpt":"Tervehdys! Olen Ken Kuwako, tiedevalmentajasi. Min\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/%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%88-2026-02-02-4.45.46.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/%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%88-2026-02-02-4.45.46.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/%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%88-2026-02-02-4.45.46.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/02\/%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%88-2026-02-02-4.45.46.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":60530,"url":"https:\/\/phys-edu.net\/wp\/?p=60530&lang=fi","url_meta":{"origin":63514,"position":2},"title":"Miksi ambulanssin \u00e4\u00e4ni muuttuu? Tutki Doppler-ilmi\u00f6t\u00e4 Scratchilla!","author":"\u6851\u5b50 \u7814","date":"2026\u5e742\u670814\u65e5","format":false,"excerpt":"Hei, olen Ken Kuwako, tiedevalmentajasi. Jokainen \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\/2018\/03\/6a3e2b2c16fee7da7160ac9ef7b23471.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/03\/6a3e2b2c16fee7da7160ac9ef7b23471.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/03\/6a3e2b2c16fee7da7160ac9ef7b23471.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2018\/03\/6a3e2b2c16fee7da7160ac9ef7b23471.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":63495,"url":"https:\/\/phys-edu.net\/wp\/?p=63495&lang=fi","url_meta":{"origin":63514,"position":3},"title":"Valo sammutti s\u00e4hk\u00f6n!? 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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":57233,"url":"https:\/\/phys-edu.net\/wp\/?p=57233&lang=fi","url_meta":{"origin":63514,"position":4},"title":"N\u00e4e n\u00e4kym\u00e4tt\u00f6m\u00e4t \u201c\u00e4\u00e4nen muodot\u201d! 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