{"id":69440,"date":"2026-11-11T04:30:47","date_gmt":"2026-11-10T19:30:47","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=69440"},"modified":"2026-11-11T04:34:03","modified_gmt":"2026-11-10T19:34:03","slug":"hanan-valkoinen-kalkkikerrostuma-onkin-kivea-sanpole-poistaa-kalkin-5-minuutissa-nain-se-toimii","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=69440&lang=fi","title":{"rendered":"Hanan valkoinen kalkkikerrostuma onkin kive\u00e4! Sanpole poistaa kalkin 5 minuutissa \u2013 n\u00e4in se toimii"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Moi, olen tiedekouluttaja Ken Kuwako. Minulle jokainen p\u00e4iv\u00e4 on koe.<\/strong><\/span><\/p>\n<p>Oletko koskaan huomannut vesihanan ymp\u00e4rille kovettunutta valkoista kerrostumaa, joka ei l\u00e4hde mill\u00e4\u00e4n, vaikka kuinka hankaisit? Se itsep\u00e4inen t\u00f6hn\u00e4 onkin oikeasti kive\u00e4! Kokeilin asiaa laboratoriomme vesipisteell\u00e4, ja muutos tapahtui niin nopeasti, ett\u00e4 sen n\u00e4keminen oli suorastaan hykerrytt\u00e4v\u00e4\u00e4. T\u00e4ss\u00e4 siis pieni kemiallinen reaktio siivouksen keskelt\u00e4.<\/p>\n<h3>Kalkkikerrostuma on oikeasti kive\u00e4<\/h3>\n<p>Vesihanan kalkkikerrostuma syntyy, kun hanaveden sis\u00e4lt\u00e4m\u00e4t mineraalit, kuten kalsium, kovettuvat paikoilleen. Kyse ei siis ole likaantumisesta vaan kivest\u00e4, jonka p\u00e4\u00e4ainesosa on yleens\u00e4 kalsiumkarbonaatti.<\/p>\n<p>Kalsiumkarbonaattia on arkisista asioista esimerkiksi liidussa, munankuorissa ja simpukankuorissa. My\u00f6s luolien kattoa koristavat tippukivet ja marmori ovat samaa sukua. Hanan ymp\u00e4rille kertynyt kalkki on k\u00e4yt\u00e4nn\u00f6ss\u00e4 pieni tippukivi, joka on kasvanut hiljaa ja hitaasti.<\/p>\n<h3>Mit\u00e4 tapahtuu, kun p\u00e4\u00e4lle kaataa Sanpolea\u2026<\/h3>\n<p>Kaadoin laboratorion vesipisteen vieress\u00e4 olleelle kalkkitahralle Sanpole-nimist\u00e4 WC-puhdistusainetta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-68838 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/%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%88-2026-10-25-5.19.33.jpeg\" sizes=\"auto, (max-width: 95px) 100vw, 95px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-25-5.19.33.jpeg 474w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-25-5.19.33-131x300.jpeg 131w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-25-5.19.33-448x1024.jpeg 448w\" alt=\"\" width=\"95\" height=\"217\" \/><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/link.amazon\/B0dHx1Qyh\">Sanpole<\/a><\/p>\n<p>Aine alkoi reagoida heti, ja lika l\u00e4hti pois niin siististi, ett\u00e4 se oli ilo katsoa. Katso video:<\/p>\n<p><iframe loading=\"lazy\" title=\"\u86c7\u53e3\u306e\u767d\u3044\u6c5a\u308c\u306e\u6b63\u4f53\u300c\u77f3\u300d\u306b\u30b5\u30f3\u30dd\u30fc\u30eb\u30675\u5206\u3001\u6c34\u57a2\u304c\u6d88\u3048\u305f\uff01\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/FhPbnPZOuJY?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><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-69425 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.55.jpeg\" alt=\"\" width=\"612\" height=\"498\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.55.jpeg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.55-300x244.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.55-1024x833.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.55-768x625.jpeg 768w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-69426 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.27.jpeg\" alt=\"\" width=\"609\" height=\"451\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.27.jpeg 1632w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.27-300x222.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.27-1024x758.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.27-768x568.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.27-1536x1137.jpeg 1536w\" sizes=\"auto, (max-width: 609px) 100vw, 609px\" \/><\/p>\n<h3>Happo liuottaa kiven<\/h3>\n<p>Sanpole sis\u00e4lt\u00e4\u00e4 suolahappoa ja pinta-aktiivista ainetta. Kun suolahappo kohtaa kalsiumkarbonaatin, happo liuottaa kiven, ja syntyy kalsiumkloridia, vett\u00e4 ja hiilidioksidia. Ainetta kaadettaessa n\u00e4kyv\u00e4 hento kuplinta on juuri t\u00e4t\u00e4 hiilidioksidia.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-69422 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06.jpeg\" alt=\"\" width=\"351\" height=\"35\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-69427 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06.jpeg\" alt=\"\" width=\"372\" height=\"304\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06.jpeg 1460w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-300x245.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-1024x836.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-768x627.jpeg 768w\" sizes=\"auto, (max-width: 372px) 100vw, 372px\" \/><\/p>\n<p>T\u00e4ss\u00e4 kohtaa tulee koko homman juju: syntyv\u00e4 kalsiumkloridi liukenee veteen helposti. Kalkki oli alun perin kive\u00e4, joka ei liukene veteen, mutta reaktio muuttaa sen aineeksi, joka liukenee. Siksi riitti, ett\u00e4 odotin viisi minuuttia ja pyyhin pinnan r\u00e4till\u00e4, ja kalkki l\u00e4hti kuin itsest\u00e4\u00e4n. Pinta-aktiivinen aine auttaa nesteen levi\u00e4m\u00e4\u00e4n tasaisesti lian pinnalle ja vauhdittaa n\u00e4in reaktiota.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-69428 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.14.jpeg\" alt=\"\" width=\"518\" height=\"410\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.14.jpeg 1686w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.14-300x237.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.14-1024x810.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.14-768x608.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.14-1536x1215.jpeg 1536w\" sizes=\"auto, (max-width: 518px) 100vw, 518px\" \/><\/p>\n<h3>Kyse ei ole neutraloitumisesta, vaikka silt\u00e4 n\u00e4ytt\u00e4\u00e4kin<\/h3>\n<p>Koska mukana on happo ja em\u00e4ksinen aine, t\u00e4t\u00e4 voisi luulla neutralointireaktioksi, mutta se ei sit\u00e4 ole. Neutraloinnissa hapon vetyionit ja em\u00e4ksen hydroksidi-ionit yhtyv\u00e4t muodostaen vett\u00e4. T\u00e4ss\u00e4 reaktiossa vahva happo, eli suolahappo, ajaa hiilihapon pois kalsiumkarbonaatista, joka on suola.<\/p>\n<h3>Muista n\u00e4m\u00e4, jos kokeilet itse<\/h3>\n<p>Jos haluat kokeilla samaa, pid\u00e4 n\u00e4m\u00e4 asiat mieless\u00e4:<\/p>\n<ul>\n<li>\u00c4l\u00e4 koskaan sekoita ainetta klooripohjaisiin puhdistusaineisiin (niiss\u00e4 on varoitus &#8220;\u00c4l\u00e4 sekoita \u2013 vaarallinen&#8221;). Seoksesta syntyy myrkyllist\u00e4 kloorikaasua.<\/li>\n<li>\u00c4l\u00e4 k\u00e4yt\u00e4 sit\u00e4 marmoriin tai muihin kalsiumkarbonaatista tehtyihin materiaaleihin tai metalliosiin. Aine vahingoittaa niit\u00e4.<\/li>\n<li>Tarkista ennen k\u00e4ytt\u00f6\u00e4 pakkauksen merkinn\u00f6ist\u00e4, mihin pintoihin ainetta saa k\u00e4ytt\u00e4\u00e4.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Yhteydenotot ja toimeksiannot<\/h3>\n<p>Tuodaan tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4s arkea! T\u00e4h\u00e4n blogiin on koottu helposti ymm\u00e4rrett\u00e4vi\u00e4 tiedekokeita ja vinkkej\u00e4, joita voi kokeilla kotona. Kurkkaa ja hae vapaasti!<br \/>\n\u30fbBlogin sis\u00e4ll\u00f6st\u00e4 on tehty kirja. Lis\u00e4tietoa <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4\u00e4 blogin 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, esitelm\u00e4t, kokeilukurssit, TV-ohjelmien asiantuntijaty\u00f6 ja esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbArtikkelien p\u00e4ivitykset <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\">Kagaku no Neta -kanavalla<\/a> julkaistaan koevideoita!<\/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>11\/4\uff08\u6c34\uff09<a href=\"https:\/\/www.ntv.co.jp\/zip\/\">ZIP\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09<\/a>\u306e\u30b3\u30fc\u30ca\u30fc\uff087:20\u5206\u3053\u308d\u653e\u9001\u4e88\u5b9a\uff09\u306b\u3066\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=69252\">\u30b4\u30f3\u30c1\u30e3\u306e\u30b9\u30c8\u30ed\u30fc\u306e\u5dee\u3057\u65b9\u306b\u95a2\u3059\u308b\u30a6\u30e9\u30b6\u30ef\u3068\u79d1\u5b66\u89e3\u8aac\u306b\u3064\u3044\u3066<\/a>\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-69254 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-05-4.11.17.jpeg\" alt=\"\" width=\"264\" height=\"210\" \/><\/p>\r\n<ul>\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=69396\">\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=69442&#038;lang=es\" aria-label=\"\u00a1Esa mancha blanca del grifo es en realidad piedra! C\u00f3mo Sanpole elimina la cal en 5 minutos\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-150x150.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=69442&#038;lang=es\">\u00a1Esa mancha blanca del grifo es en realidad piedra! C\u00f3mo Sanpole elimina la cal en 5 minutos<\/a><time datetime=\"2026-11-11T04:35:46+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670811\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69437&#038;lang=hi\" aria-label=\"\u0928\u0932 \u092a\u0930 \u091c\u092e\u0940 \u0938\u092b\u093c\u0947\u0926 \u0917\u0902\u0926\u0917\u0940 \u0926\u0930\u0905\u0938\u0932 &#8216;\u092a\u0924\u094d\u0925\u0930&#8217; \u0939\u0948! Sanpole \u0938\u0947 5 \u092e\u093f\u0928\u091f \u092e\u0947\u0902 \u0939\u091f \u091c\u093e\u0924\u0947 \u0939\u0948\u0902 \u092a\u093e\u0928\u0940 \u0915\u0947 \u0926\u093e\u0917\u093c, \u091c\u093e\u0928\u093f\u090f \u0915\u0948\u0938\u0947\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-150x150.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=69437&#038;lang=hi\">\u0928\u0932 \u092a\u0930 \u091c\u092e\u0940 \u0938\u092b\u093c\u0947\u0926 \u0917\u0902\u0926\u0917\u0940 \u0926\u0930\u0905\u0938\u0932 &#8216;\u092a\u0924\u094d\u0925\u0930&#8217; \u0939\u0948! Sanpole \u0938\u0947 5 \u092e\u093f\u0928\u091f \u092e\u0947\u0902 \u0939\u091f \u091c\u093e\u0924\u0947 \u0939\u0948\u0902 \u092a\u093e\u0928\u0940 \u0915\u0947 \u0926\u093e\u0917\u093c, \u091c\u093e\u0928\u093f\u090f \u0915\u0948\u0938\u0947<\/a><time datetime=\"2026-11-11T04:34:21+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670811\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69435&#038;lang=zh\" aria-label=\"\u6c34\u9f8d\u982d\u4e0a\u7684\u767d\u8272\u9ad2\u6c59\uff0c\u539f\u4f86\u662f\u300c\u77f3\u982d\u300d\uff01\u7528 Sanpole 5 \u5206\u9418\uff0c\u6c34\u57a2\u6d88\u5931\u7684\u79d8\u5bc6\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-150x150.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=69435&#038;lang=zh\">\u6c34\u9f8d\u982d\u4e0a\u7684\u767d\u8272\u9ad2\u6c59\uff0c\u539f\u4f86\u662f\u300c\u77f3\u982d\u300d\uff01\u7528 Sanpole 5 \u5206\u9418\uff0c\u6c34\u57a2\u6d88\u5931\u7684\u79d8\u5bc6<\/a><time datetime=\"2026-11-11T04:31:10+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670811\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69440&#038;lang=fi\" aria-label=\"Hanan valkoinen kalkkikerrostuma onkin kive\u00e4! Sanpole poistaa kalkin 5 minuutissa \u2013 n\u00e4in se toimii\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-150x150.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=69440&#038;lang=fi\">Hanan valkoinen kalkkikerrostuma onkin kive\u00e4! Sanpole poistaa kalkin 5 minuutissa \u2013 n\u00e4in se toimii<\/a><time datetime=\"2026-11-11T04:30:47+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670811\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69433&#038;lang=ko\" aria-label=\"\uc218\ub3c4\uaf2d\uc9c0 \ud558\uc580 \uc5bc\ub8e9\uc758 \uc815\uccb4\ub294 &#8216;\ub3cc&#8217;\uc774\uc5c8\ub2e4! \uc0b0\ud3f4\ub85c 5\ubd84 \ub9cc\uc5d0 \ubb3c\ub54c\uac00 \uc0ac\ub77c\uc9c0\ub294 \ube44\ubc00\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-150x150.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=69433&#038;lang=ko\">\uc218\ub3c4\uaf2d\uc9c0 \ud558\uc580 \uc5bc\ub8e9\uc758 \uc815\uccb4\ub294 &#8216;\ub3cc&#8217;\uc774\uc5c8\ub2e4! \uc0b0\ud3f4\ub85c 5\ubd84 \ub9cc\uc5d0 \ubb3c\ub54c\uac00 \uc0ac\ub77c\uc9c0\ub294 \ube44\ubc00<\/a><time datetime=\"2026-11-11T04:30:29+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670811\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69431&#038;lang=en\" aria-label=\"That White Crust on Your Faucet Is Actually Stone! How Sanpole Wipes Out Limescale in 5 Minutes\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-150x150.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=69431&#038;lang=en\">That White Crust on Your Faucet Is Actually Stone! How Sanpole Wipes Out Limescale in 5 Minutes<\/a><time datetime=\"2026-11-11T04:29:25+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670811\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69421\" aria-label=\"\u86c7\u53e3\u306e\u767d\u3044\u6c5a\u308c\u306e\u6b63\u4f53\u306f\u300c\u77f3\u300d\u3060\u3063\u305f\uff01\u30b5\u30f3\u30dd\u30fc\u30eb\u30675\u5206\u3001\u6c34\u57a2\u304c\u6d88\u3048\u308b\u30ef\u30b1\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-11-4.22.06-150x150.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=69421\">\u86c7\u53e3\u306e\u767d\u3044\u6c5a\u308c\u306e\u6b63\u4f53\u306f\u300c\u77f3\u300d\u3060\u3063\u305f\uff01\u30b5\u30f3\u30dd\u30fc\u30eb\u30675\u5206\u3001\u6c34\u57a2\u304c\u6d88\u3048\u308b\u30ef\u30b1<\/a><time datetime=\"2026-11-11T04:20:50+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670811\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69417&#038;lang=es\" aria-label=\"\u00bfHasta qu\u00e9 altura puedes llegar con 20 espaguetis? El reto de 18 minutos y el r\u00e9cord de 99 cm\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/3a2c3eab7c920b222eb5bc7b11ea655e-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=69417&#038;lang=es\">\u00bfHasta qu\u00e9 altura puedes llegar con 20 espaguetis? El reto de 18 minutos y el r\u00e9cord de 99 cm<\/a><time datetime=\"2026-11-10T04:19:07+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670810\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69415&#038;lang=hi\" aria-label=\"\u0938\u093f\u0930\u094d\u092b\u093c 20 \u092a\u093e\u0938\u094d\u0924\u093e \u0938\u094d\u091f\u093f\u0915 \u0938\u0947 \u0915\u093f\u0924\u0928\u0940 \u090a\u0901\u091a\u093e\u0908 \u0924\u0915 \u091c\u093e \u0938\u0915\u0924\u0947 \u0939\u0948\u0902? 18 \u092e\u093f\u0928\u091f \u0915\u0940 \u091a\u0941\u0928\u094c\u0924\u0940 \u0914\u0930 99 \u0938\u0947\u092e\u0940 \u0915\u093e \u0930\u093f\u0915\u0949\u0930\u094d\u0921\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/04\/3a2c3eab7c920b222eb5bc7b11ea655e-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=69415&#038;lang=hi\">\u0938\u093f\u0930\u094d\u092b\u093c 20 \u092a\u093e\u0938\u094d\u0924\u093e \u0938\u094d\u091f\u093f\u0915 \u0938\u0947 \u0915\u093f\u0924\u0928\u0940 \u090a\u0901\u091a\u093e\u0908 \u0924\u0915 \u091c\u093e \u0938\u0915\u0924\u0947 \u0939\u0948\u0902? 18 \u092e\u093f\u0928\u091f \u0915\u0940 \u091a\u0941\u0928\u094c\u0924\u0940 \u0914\u0930 99 \u0938\u0947\u092e\u0940 \u0915\u093e \u0930\u093f\u0915\u0949\u0930\u094d\u0921<\/a><time datetime=\"2026-11-10T04:18:52+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u670810\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>Moi, olen tiedekouluttaja Ken Kuwako. Minulle jokainen p\u00e4iv\u00e4 on koe. Oletko koskaan huomannut vesihanan ymp\u00e4ri [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":69427,"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-69440","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":52847,"url":"https:\/\/phys-edu.net\/wp\/?p=52847&lang=fi","url_meta":{"origin":69440,"position":0},"title":"Miksi banaani n\u00e4ytt\u00e4\u00e4 keltaiselta? Paljasta valon ja hajavaloheijastuksen salaisuudet kotona","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670821\u65e5","format":false,"excerpt":"Hei, olen tiedekouluttaja Ken Kuwako. 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