{"id":56755,"date":"2025-12-04T04:49:18","date_gmt":"2025-12-03T19:49:18","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=56755"},"modified":"2025-12-04T04:49:18","modified_gmt":"2025-12-03T19:49:18","slug":"banaani-pysyi-pystyssa-ilman-liimaa-kahden-hammasharjan-luoma-kitkan-taika","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=56755&lang=fi","title":{"rendered":"Banaani pysyi pystyss\u00e4 ilman liimaa! Kahden hammasharjan luoma kitkan taika"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4ss\u00e4 tiedevalmentaja Ken Kuwako. Koe joka p\u00e4iv\u00e4!<\/strong><\/span><\/p>\n<p>Voisitko kuvitella, ett\u00e4 hammasharjasta kuoriutuu supervahva nosturi? T\u00e4m\u00e4 arkinen, hampaiden puhdistamiseen tarkoitettu v\u00e4line paljastaa nyt uskomattoman voimansa tieteen avulla! Esittelen sinulle kikan, jolla p\u00e4\u00e4set kokemaan fysiikan j\u00e4nnitt\u00e4v\u00e4n puolen aivan kotioloissa. T\u00e4st\u00e4 on kyse.<\/p>\n<h3>Koe: Hammasharja vs. Banaani! Kumpi voittaa?<\/h3>\n<p>Tarvitset vain kaksi hammasharjaa, joiden harjakset ovat melko j\u00e4yk\u00e4t. Kokeen suoritus on \u00e4\u00e4rimm\u00e4isen yksinkertainen, mutta lopputulos on h\u00e4kellytt\u00e4v\u00e4.<\/p>\n<p>Ripusta ensimm\u00e4inen hammasharja korkealta, esimerkiksi S-koukun avulla.<\/p>\n<p>Aseta toisen hammasharjan harjasosa riippuvan harjan harjasosaa vasten ja paina harjakset tiukasti toisiinsa kiinni.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\u00a0 wp-image-56743 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-04-4.42.13.jpg\" alt=\"\" width=\"417\" height=\"543\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-04-4.42.13.jpg 722w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-04-4.42.13-230x300.jpg 230w\" sizes=\"auto, (max-width: 417px) 100vw, 417px\" \/><\/p>\n<p>Pid\u00e4 harjasten kiinnityskohtaa kevyesti sormella painaen samalla kun kiinnit\u00e4t painoa alempaan hammasharjaan.<\/p>\n<p>T\u00e4ll\u00e4 kertaa ripustimme siihen niinkin painavan lastin kuin &#8220;tertun banaaneja&#8221;. Se on jo aika paljon, eik\u00f6? Varmasti ajattelet, ett\u00e4 &#8220;t\u00e4m\u00e4 t\u00e4st\u00e4 putoaa&#8221;, mutta kun p\u00e4\u00e4st\u00e4t irti&#8230;<\/p>\n<p><iframe loading=\"lazy\" title=\"\u6b6f\u30d6\u30e9\u30b72\u672c\u304c\u751f\u3080\u300c\u6469\u64e6\u529b\u300d\u306e\u9b54\u6cd5\u3002\u63a5\u7740\u5264\u306a\u3057\u3067\u30d0\u30ca\u30ca\u3092\u652f\u3048\u305f\uff01\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/y7BuiMoMUw0?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>H\u00e4mm\u00e4stytt\u00e4v\u00e4 tulos: Se kannattelee painoa!<\/h3>\n<p>Uskomatonta, alempi hammasharja ei luiskahda alas, vaan kannattelee banaania tukevasti! Emme k\u00e4ytt\u00e4neet liimaa emmek\u00e4 teippi\u00e4. Pelk\u00e4st\u00e4\u00e4n harjasten yhteisvoima riitt\u00e4\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\u00a0 wp-image-56742 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-04-4.42.17.jpg\" alt=\"\" width=\"336\" height=\"776\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-04-4.42.17.jpg 638w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-04-4.42.17-130x300.jpg 130w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-04-4.42.17-443x1024.jpg 443w\" sizes=\"auto, (max-width: 336px) 100vw, 336px\" \/><\/p>\n<h3>Tieteen selitys: Pienist\u00e4 puroista syntyy suuri voima \u2013 Kitka<\/h3>\n<p>Miksi n\u00e4in tapahtuu? Salaisuus piilee kitkassa.<\/p>\n<p>Jokainen yksitt\u00e4inen hammasharjan harjas on ohut ja heikko. Mutta hammasharjassa on satoja, jopa tuhansia harjaksia! Kun puristat kaksi hammasharjaa toisiinsa kiinni, harjakset koskettavat toisiaan, taipuvat hieman ja pyrkiv\u00e4t oikaisemaan itse\u00e4\u00e4n. T\u00e4m\u00e4 ty\u00f6nt\u00f6voima synnytt\u00e4\u00e4 harjasten v\u00e4liin kitkaa.<\/p>\n<p>&#8220;Yhden harjaksen pieni kitka x sadat harjakset&#8221;<\/p>\n<p>T\u00e4m\u00e4 yhteenlasku tuottaa valtavan kitkan, joka pystyy kannattelemaan kokonaisen banaanitertun.<\/p>\n<h3>Sama periaate kuin kuuluisassa &#8220;puhelinluettelo-kokeessa&#8221;<\/h3>\n<p>T\u00e4m\u00e4 ilmi\u00f6 saattaa tuoda mieleesi kokeen, joka on tuttu TV:st\u00e4 tai tieden\u00e4yt\u00f6ksist\u00e4.<\/p>\n<p>Aivan! Kyseess\u00e4 on koe, jossa kaksi puhelinluetteloa limitt\u00e4in asettamalla saadaan ne tarttumaan toisiinsa niin tiukasti, ettei aikuinenkaan pysty repim\u00e4\u00e4n niit\u00e4 irti. Samoin t\u00e4ss\u00e4, vaikka yhden paperin kitka on pieni, satojen sivujen kertym\u00e4 luo huikean voiman, joka riitt\u00e4isi vaikka auton vet\u00e4miseen.<\/p>\n<p>T\u00e4m\u00e4 hammasharjakoe onkin kirjaimellisesti tuon ilmi\u00f6n &#8220;miniversio&#8221;. Parasta on se, ett\u00e4 voit kokea t\u00e4m\u00e4n h\u00e4mm\u00e4stytt\u00e4v\u00e4n fysiikan lain helpommin kuin puhelinluetteloilla, pelk\u00e4st\u00e4\u00e4n 100 jenin kaupasta (tai vastaavasta) saatavilla v\u00e4lineill\u00e4.<\/p>\n<h3>Yhteenveto: Arjessa piilev\u00e4 mahtava voima<\/h3>\n<p>Emme yleens\u00e4 ajattele kitkan hy\u00f6tyj\u00e4, mutta lenkkarit pit\u00e4v\u00e4t, ja tarranauhat (velcro) tarttuvat kiinni juuri t\u00e4m\u00e4n kitkan ja tarttuvuuden ansiosta. Erityisesti tarranauha keksittiin j\u00e4ljittelem\u00e4ll\u00e4 siementen tarttumista el\u00e4inten turkkiin, ja my\u00f6s t\u00e4ss\u00e4 hammasharjakokeessa voimme kokea samankaltaista &#8220;rakenteellista kitkaa&#8221;.<\/p>\n<p>En tiennyt itsek\u00e4\u00e4n, ett\u00e4 hammasharjalla voi tehd\u00e4 t\u00e4llaisen kokeen! Kokeile ihmeess\u00e4 kotona tai luokkahuoneessa. L\u00f6yd\u00e4t varmasti jotain paljon j\u00e4nnitt\u00e4v\u00e4mp\u00e4\u00e4 kuin lukemalla luonnontieteen oppikirjaa.<\/p>\n<h3>Yhteydenotot ja toimeksiannot<\/h3>\n<p>Tuomme tieteen ihmeet ja hauskuuden l\u00e4hemm\u00e4s sinua! Olemme koonneet selke\u00e4t ohjeet ja vinkit hauskoihin kotona teht\u00e4viin tieteellisiin kokeisiin. Selaa ja tutki lis\u00e4\u00e4! \u30fbScience Trainer -blogimme sis\u00e4lt\u00f6 on nyt kirjassa. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbTietoa yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4lt\u00e4<\/a> \u30fbErilaiset toimeksiannot (kirjoittaminen, luennot, kokeilupajat, TV-konsultointi\/esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a> <span class=\"s2\">\u30fbArtikkelip\u00e4ivitykset l\u00e4hetet\u00e4\u00e4n <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\">Tieteen temppukanava<\/a> l\u00e4hett\u00e4\u00e4 kokeiluvideoita!<\/p>\n<h3>\uff14\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<ul>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=46937&amp;\">\u5149\u306e\u9b54\u6cd5CMY\u30a6\u30a9\u30fc\u30bf\u30fc\u30ad\u30e5\u30fc\u30d6<\/a>\uff1a\u5149\u306e\u9b54\u6cd5\u3092\u4f53\u9a13\u305b\u3088\uff01\u6c34\u3092\u6ce8\u3050\u3068\u65b0\u305f\u306a\u7acb\u65b9\u4f53\u304c\u51fa\u73fe\u3059\u308b\u9b54\u6cd5\u306e\u3088\u3046\u306a\u5b9f\u9a13\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<img class=\"alignnone wp-image-47312 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c.jpg\" sizes=\"auto, (max-width: 267px) 100vw, 267px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c.jpg 1292w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-272x300.jpg 272w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-928x1024.jpg 928w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/12\/71274840332ac4ee4620fb1475a1d79c-768x848.jpg 768w\" alt=\"\" width=\"267\" height=\"294\" \/>\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 \t<li>4\u67089\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3 \uff09\u306e\u79d1\u5b66\u76e3\u4fee\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u591c7\u6642\u301c\u3068\u306a\u308a\u307e\u3059\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 \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?p=61585\">\u30b5\u30af\u30bb\u30b915 \uff14\u6708\u53f7<\/a>\u306b\u3066\u3001\u91ce\u7403\u306e\u79d1\u5b66\u306b\u3064\u3044\u3066\u8a18\u4e8b\u3092\u57f7\u7b46\u3057\u307e\u3057\u305f\uff082026\/3\uff09<\/li>\r\n \t<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\r\n<img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/>\r\n<\/strong><\/li>\r\n \t<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002\r\n<img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"font-size: medium;\"><b>\u8b1b\u5e2b\u30fb\u30b7\u30e7\u30fc\u30fb\u7814\u7a76\u7b49\u306e\u304a\u77e5\u3089\u305b<\/b><\/span><\/h3>\r\n<ul>\r\n \t<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<\/a>\u306b\u3064\u3044\u3066\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li>6\/14\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 \t<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 \t<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 \t<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 \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n \t<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a>\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<ul class=\"wp-block-latest-posts__list is-grid columns-3 has-dates wp-block-latest-posts\"><li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62649&#038;lang=es\" aria-label=\"\u00bfQu\u00e9 es el &#8220;Cal\u00f3rico&#8221;? El misterio del calor: de un error escolar a la ciencia real\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/78d506e729bcee6d61468da573cfc99d-150x150.jpg\" 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=62649&#038;lang=es\">\u00bfQu\u00e9 es el &#8220;Cal\u00f3rico&#8221;? El misterio del calor: de un error escolar a la ciencia real<\/a><time datetime=\"2026-04-22T04:43:50+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62647&#038;lang=fi\" aria-label=\"Maaginen neste &#8220;Kalorikki&#8221;: Kouluaikojen harhaluuloista l\u00e4mm\u00f6n todelliseen mysteeriin\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/78d506e729bcee6d61468da573cfc99d-150x150.jpg\" 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=62647&#038;lang=fi\">Maaginen neste &#8220;Kalorikki&#8221;: Kouluaikojen harhaluuloista l\u00e4mm\u00f6n todelliseen mysteeriin<\/a><time datetime=\"2026-04-22T04:43:32+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62645&#038;lang=hi\" aria-label=\"\u091c\u093e\u0926\u0941\u0908 \u0924\u0930\u0932 &#8220;\u0915\u0948\u0932\u094b\u0930\u093f\u0915&#8221; \u0915\u094d\u092f\u093e \u0939\u0948? \u0938\u094d\u0915\u0942\u0932\u0940 \u0926\u093f\u0928\u094b\u0902 \u0915\u0940 \u0917\u0932\u0924\u093f\u092f\u094b\u0902 \u0938\u0947 \u091c\u093e\u0928\u0947\u0902 \u090a\u0937\u094d\u092e\u093e \u0915\u093e \u0930\u0939\u0938\u094d\u092f\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/78d506e729bcee6d61468da573cfc99d-150x150.jpg\" 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=62645&#038;lang=hi\">\u091c\u093e\u0926\u0941\u0908 \u0924\u0930\u0932 &#8220;\u0915\u0948\u0932\u094b\u0930\u093f\u0915&#8221; \u0915\u094d\u092f\u093e \u0939\u0948? \u0938\u094d\u0915\u0942\u0932\u0940 \u0926\u093f\u0928\u094b\u0902 \u0915\u0940 \u0917\u0932\u0924\u093f\u092f\u094b\u0902 \u0938\u0947 \u091c\u093e\u0928\u0947\u0902 \u090a\u0937\u094d\u092e\u093e \u0915\u093e \u0930\u0939\u0938\u094d\u092f<\/a><time datetime=\"2026-04-22T04:42:45+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62643&#038;lang=zh\" aria-label=\"\u795e\u79d8\u7684\u300c\u71b1\u8cea\u300d\u5230\u5e95\u662f\u4ec0\u9ebc\uff1f\u5f9e\u570b\u4e2d\u6642\u7684\u8aa4\u89e3\uff0c\u63ed\u958b\u71b1\u904b\u52d5\u7684\u771f\u76f8\uff01\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/78d506e729bcee6d61468da573cfc99d-150x150.jpg\" 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=62643&#038;lang=zh\">\u795e\u79d8\u7684\u300c\u71b1\u8cea\u300d\u5230\u5e95\u662f\u4ec0\u9ebc\uff1f\u5f9e\u570b\u4e2d\u6642\u7684\u8aa4\u89e3\uff0c\u63ed\u958b\u71b1\u904b\u52d5\u7684\u771f\u76f8\uff01<\/a><time datetime=\"2026-04-22T04:42:19+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62641&#038;lang=ko\" aria-label=\"\ub9c8\ubc95\uc758 \uc561\uccb4 &#8216;\uce7c\ub85c\ub9ad&#8217;\uc758 \uc815\uccb4\ub294? \uc911\ud559\uad50 \uc2dc\uc808\uc758 \ucc29\uac01\uc73c\ub85c \ubc30\uc6b0\ub294 \uc5f4\uc758 \ubbf8\uc2a4\ud130\ub9ac\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/78d506e729bcee6d61468da573cfc99d-150x150.jpg\" 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=62641&#038;lang=ko\">\ub9c8\ubc95\uc758 \uc561\uccb4 &#8216;\uce7c\ub85c\ub9ad&#8217;\uc758 \uc815\uccb4\ub294? \uc911\ud559\uad50 \uc2dc\uc808\uc758 \ucc29\uac01\uc73c\ub85c \ubc30\uc6b0\ub294 \uc5f4\uc758 \ubbf8\uc2a4\ud130\ub9ac<\/a><time datetime=\"2026-04-22T04:41:49+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62639&#038;lang=en\" aria-label=\"The Mystery of &#8220;Caloric&#8221;: From Middle School Myths to the Truth of Heat\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/78d506e729bcee6d61468da573cfc99d-150x150.jpg\" 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=62639&#038;lang=en\">The Mystery of &#8220;Caloric&#8221;: From Middle School Myths to the Truth of Heat<\/a><time datetime=\"2026-04-22T04:41:21+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\" aria-label=\"\u30105\/8\u4e88\u5b9a\u3011 \u5b66\u6821\u306e\u30a2\u30ec\u306b\u79c1\u306e\u5b9f\u9a13\u304c\uff01\u300c\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9\u300d5\u67088\u65e5\u53f7\u3092\u304a\u697d\u3057\u307f\u306b\uff01\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/04\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-04-22-4.30.32-150x150.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=62629\">\u30105\/8\u4e88\u5b9a\u3011 \u5b66\u6821\u306e\u30a2\u30ec\u306b\u79c1\u306e\u5b9f\u9a13\u304c\uff01\u300c\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9\u300d5\u67088\u65e5\u53f7\u3092\u304a\u697d\u3057\u307f\u306b\uff01<\/a><time datetime=\"2026-04-22T04:33:46+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=34363\" aria-label=\"\u9b54\u6cd5\u306e\u6db2\u4f53\u300c\u71b1\u7d20\u300d\u306e\u6b63\u4f53\u3068\u306f\uff1f\u4e2d\u5b66\u6642\u4ee3\u306e\u52d8\u9055\u3044\u304b\u3089\u5b66\u3076\u71b1\u306e\u30df\u30b9\u30c6\u30ea\u30fc\uff08\u71b1\u7d20\u8aac\u3068\u71b1\u904b\u52d5\uff09\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/01\/78d506e729bcee6d61468da573cfc99d-150x150.jpg\" 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=34363\">\u9b54\u6cd5\u306e\u6db2\u4f53\u300c\u71b1\u7d20\u300d\u306e\u6b63\u4f53\u3068\u306f\uff1f\u4e2d\u5b66\u6642\u4ee3\u306e\u52d8\u9055\u3044\u304b\u3089\u5b66\u3076\u71b1\u306e\u30df\u30b9\u30c6\u30ea\u30fc\uff08\u71b1\u7d20\u8aac\u3068\u71b1\u904b\u52d5\uff09<\/a><time datetime=\"2026-04-22T04:20:36+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=23741\" aria-label=\"\u30cf\u30f3\u30de\u30fc\u3092\u6295\u3052\u3066\u7269\u7406\u3092\u8996\u899a\u5316\uff01\u30b9\u30de\u30db\u30a2\u30d7\u30ea\u3067\u66b4\u304f\u300c\u91cd\u5fc3\u300d\u306e\u7f8e\u3057\u3044\u8ecc\u8de1\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/526ff539fe7689a84bb9357552307ba9-150x150.jpg\" 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=23741\">\u30cf\u30f3\u30de\u30fc\u3092\u6295\u3052\u3066\u7269\u7406\u3092\u8996\u899a\u5316\uff01\u30b9\u30de\u30db\u30a2\u30d7\u30ea\u3067\u66b4\u304f\u300c\u91cd\u5fc3\u300d\u306e\u7f8e\u3057\u3044\u8ecc\u8de1<\/a><time datetime=\"2026-04-22T04:00:51+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e744\u670822\u65e5<\/time><\/li>\n<\/ul>&nbsp;","protected":false},"excerpt":{"rendered":"<p>T\u00e4ss\u00e4 tiedevalmentaja Ken Kuwako. Koe joka p\u00e4iv\u00e4! Voisitko kuvitella, ett\u00e4 hammasharjasta kuoriutuu supervahva [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":56743,"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":"","footnotes":""},"categories":[1630],"tags":[],"class_list":["post-56755","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\/2025\/12\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2025-12-04-4.42.13.jpg","jetpack-related-posts":[{"id":61730,"url":"https:\/\/phys-edu.net\/wp\/?p=61730&lang=fi","url_meta":{"origin":56755,"position":0},"title":"Koe ty\u00f6n periaate itse! Ymm\u00e4rr\u00e4 liikkuva talja helposti paperiliitin-kokeella","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u670822\u65e5","format":false,"excerpt":"Tervehdys! T\u00e4\u00e4ll\u00e4 Ken Kuwako, tiedevalmentajasi. 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