{"id":63087,"date":"2026-05-05T05:37:53","date_gmt":"2026-05-04T20:37:53","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63087"},"modified":"2026-05-05T05:37:53","modified_gmt":"2026-05-04T20:37:53","slug":"48-asteen-taika-kurkistus-pingviinien-toiseen-maailmaan","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63087&lang=fi","title":{"rendered":"48 asteen taika: Kurkistus pingviinien &#8220;toiseen maailmaan&#8221;"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4\u00e4ll\u00e4 puhuu Science Trainer Kuwako Ken. Joka p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<p>Oletko koskaan katsonut akvaariota alhaalta yl\u00f6sp\u00e4in ja huomannut, ett\u00e4 taivas n\u00e4ytt\u00e4\u00e4 ik\u00e4\u00e4n kuin py\u00f6re\u00e4lt\u00e4 aukolta? T\u00f6rm\u00e4sin t\u00e4h\u00e4n h\u00e4mm\u00e4stytt\u00e4v\u00e4\u00e4n ilmi\u00f6\u00f6n Sumida-akvaarion pingviinialtaassa. Sinert\u00e4v\u00e4n veden pohjassa leijuu selke\u00e4, py\u00f6re\u00e4 \u201cikkuna\u201d, jonka l\u00e4pi ulkomaailma n\u00e4kyy. Mist\u00e4 t\u00e4m\u00e4 oikein johtuu? Kyseess\u00e4 on itse asiassa lukion fysiikasta tuttu ilmi\u00f6: valon taittuminen ja kokonaisheijastus \u2013 luonnon oma ovela temppu.<\/p>\n<h3>Sumida-akvaariossa koettu erikoinen n\u00e4kym\u00e4<\/h3>\n<p> K\u00e4vin hiljattain <a href=\"http:\/\/www.sumida-aquarium.com\/\">Sumida-akvaariossa<\/a>. Paikan vetonaula on suuri sis\u00e4tiloissa sijaitseva pingviiniallas. Kun kurkistaa altaaseen toisesta kerroksesta, pohjan sininen v\u00e4ri n\u00e4kyy selv\u00e4sti. <\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"20130804131400\" src=\"http:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/k\/kkuwako\/20130804\/20130804131400.jpg\" alt=\"20130804131400\" width=\"473\" height=\"355\" \/><\/p>\n<p style=\"text-align: center;\">Toisesta kerroksesta pohjan sininen v\u00e4ri n\u00e4kyy hyvin<\/p>\n<p>Kun taas siirtyy ensimm\u00e4iseen kerrokseen, altaaseen voi katsoa <b>alhaalta yl\u00f6sp\u00e4in<\/b>. Se n\u00e4kym\u00e4, joka silloin avautuu, n\u00e4kyy t\u00e4ss\u00e4 videossa:<\/p>\n<p><iframe loading=\"lazy\" title=\"\u81e8\u754c\u89d2\u3088\u308a\u5c0f\u3055\u3044\u89d2\u5ea6\u3060\u3068\u7a7a\u304c\u898b\u3048\u308b\uff08\u3059\u307f\u3060\u6c34\u65cf\u9928\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/zrsAFFMa614?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>Kun katsoo taivasta veden l\u00e4pi, n\u00e4kym\u00e4 jakautuu selv\u00e4sti kahteen osaan: osa on <b>sinert\u00e4v\u00e4\u00e4 eik\u00e4 ulkomaailmaa n\u00e4y<\/b>, ja osa taas \u2013 kuten kuvan oikeassa yl\u00e4kulmassa \u2013 n\u00e4ytt\u00e4\u00e4 <b>ulkomaailman kirkkaasti<\/b>. Se n\u00e4ytt\u00e4\u00e4 aivan silt\u00e4 kuin veden pinnassa olisi py\u00f6re\u00e4 ikkuna.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"20130804133003\" src=\"http:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/k\/kkuwako\/20130804\/20130804133003.jpg\" alt=\"20130804133003\" width=\"477\" height=\"359\" \/><\/p>\n<p>Sama ilmi\u00f6 n\u00e4kyi my\u00f6s Hakone-enin akvaariossa. Katso my\u00f6s t\u00e4m\u00e4 video:<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30a2\u30b6\u30e9\u30b7\u306f\u4e38\u3044\u7a93\u304b\u3089\u30dc\u30af\u9054\u3092\u898b\u3066\u3044\u308b\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/zcKa0wBtguU?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>Muuten, tuo mystinen sininen v\u00e4ri on yll\u00e4tt\u00e4v\u00e4n arkinen asia: se on <b>altaan pohjaan maalattua sinist\u00e4 betonia<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" style=\"font-size: 13px;\" title=\"20130812161531\" src=\"http:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/k\/kkuwako\/20130812\/20130812161531.jpg\" alt=\"20130812161531\" width=\"450\" height=\"340\" \/><\/p>\n<p>Mutta miksi syntyy t\u00e4llainen \u201cpy\u00f6re\u00e4 ikkuna\u201d? Sukelletaanpa ilmi\u00f6n ytimeen.<\/p>\n<h3>Avain on valon taittuminen ja kokonaisheijastus<\/h3>\n<p> Ilmi\u00f6n taustalla ovat kaksi t\u00e4rke\u00e4\u00e4 ominaisuutta: <b>valon taittuminen veden ja ilman rajapinnassa<\/b> sek\u00e4 <b>kokonaisheijastus, joka est\u00e4\u00e4 valoa kulkemasta tietyn kulman j\u00e4lkeen<\/b>.<\/p>\n<p>Kun katsotaan altaaseen vinosti alhaalta, katosta tuleva valo taittuu veden pinnassa ja saavuttaa silm\u00e4t. Valolla on ominaisuus, jota kutsutaan kulun k\u00e4\u00e4nnett\u00e4vyydeksi: voimme ajatella valon reitti\u00e4 my\u00f6s takaperin, silm\u00e4st\u00e4 l\u00e4htev\u00e4n\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-29908 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/78ea3a614c2c1e0a39d3f9ac9686ad3f.png\" alt=\"\" width=\"516\" height=\"341\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/78ea3a614c2c1e0a39d3f9ac9686ad3f.png 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/78ea3a614c2c1e0a39d3f9ac9686ad3f-300x198.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2017\/12\/78ea3a614c2c1e0a39d3f9ac9686ad3f-768x508.png 768w\" sizes=\"auto, (max-width: 516px) 100vw, 516px\" \/><\/p>\n<p>Kun katsetta siirt\u00e4\u00e4 l\u00e4hemm\u00e4s vaakasuuntaa, tulee vastaan piste, jossa ulkomaailma katoaa n\u00e4kyvist\u00e4. T\u00e4t\u00e4 rajakulmaa kutsutaan <b>kriittiseksi kulmaksi<\/b>. Kun ilman taitekerroin on noin 1 ja veden noin 1,33, kriittinen kulma on noin <b>48 astetta<\/b>. Lukiolaiset: kokeilkaa laskea t\u00e4m\u00e4 arcsin-toiminnolla laskimella.<\/p>\n<p>Kun katselukulma on t\u00e4t\u00e4 pienempi, ulkomaailma n\u00e4kyy. Kun kulma kasvaa t\u00e4t\u00e4 suuremmaksi, valo heijastuu kokonaan veden pinnasta eik\u00e4 p\u00e4\u00e4se l\u00e4pi. T\u00e4ll\u00f6in n\u00e4kyy vain pohjan sininen v\u00e4ri.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-29915 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/a620d08c8dc0ada4027a3b02da972882.png\" alt=\"\" width=\"526\" height=\"364\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/a620d08c8dc0ada4027a3b02da972882.png 800w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/a620d08c8dc0ada4027a3b02da972882-300x208.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/02\/a620d08c8dc0ada4027a3b02da972882-768x532.png 768w\" sizes=\"auto, (max-width: 526px) 100vw, 526px\" \/><\/p>\n<p>T\u00e4m\u00e4 \u201cn\u00e4kyy\u2013ei n\u00e4y\u201d -raja muodostuu kaikkiin suuntiin vaakatasossa, eli 360 astetta. Kolmiulotteisesti ajateltuna siit\u00e4 syntyy <b>py\u00f6re\u00e4 ikkuna<\/b>. Siin\u00e4 on t\u00e4m\u00e4n ilmi\u00f6n ydin.<\/p>\n<p>(Huomautus: k\u00e4yt\u00e4nn\u00f6ss\u00e4 lasin ja ilman rajapinta vaikuttaa my\u00f6s, joten kriittinen kulma on hieman suurempi kuin 48 astetta.)<\/p>\n<h3>Pingviinien maailma n\u00e4ytt\u00e4\u00e4 py\u00f6re\u00e4n ikkunan l\u00e4pi<\/h3>\n<p> Katso viel\u00e4 kerran kuvaa, joka on otettu ylh\u00e4\u00e4lt\u00e4. <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" title=\"20130804131400\" src=\"http:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/k\/kkuwako\/20130804\/20130804131400.jpg\" alt=\"20130804131400\" width=\"450\" height=\"338\" \/><\/p>\n<p>Ylh\u00e4\u00e4lt\u00e4 katsottuna pohjan sininen t\u00e4ytt\u00e4\u00e4 koko n\u00e4kym\u00e4n. Mutta veden alta yl\u00f6sp\u00e4in katsottuna ulkomaailma n\u00e4kyy vain py\u00f6re\u00e4n ikkunan sis\u00e4ll\u00e4. Aika h\u00e4mment\u00e4v\u00e4\u00e4.<\/p>\n<p>Itse asiassa <b>vedess\u00e4 el\u00e4v\u00e4t pingviinit n\u00e4kev\u00e4t meid\u00e4t t\u00e4m\u00e4n saman py\u00f6re\u00e4n ikkunan kautta<\/b>. Heid\u00e4n \u201ctaivaansa\u201d ei levitt\u00e4ydy koko pinnalle, vaan mahtuu pieneen py\u00f6re\u00e4\u00e4n alueeseen. T\u00e4t\u00e4 ilmi\u00f6t\u00e4 kutsutaan nimell\u00e4 Snellin ikkuna, ja se on tuttu my\u00f6s vedenalaisille valokuvaajille.<\/p>\n<p>Kun k\u00e4yt Sumida-akvaariossa, kokeile ehdottomasti katsoa allasta alhaalta yl\u00f6sp\u00e4in. Ja jos satut olemaan treffeill\u00e4 akvaariossa, t\u00e4m\u00e4 on aika hyv\u00e4 keskustelunavaus. Toimiiko varmasti? No, siit\u00e4 en mene takuuseen.<\/p>\n<h3>Lis\u00e4\u00e4 aiheeseen liittyvi\u00e4 artikkeleita<\/h3>\n<p> Tutustu my\u00f6s t\u00e4h\u00e4n artikkeliin:<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"w3iW2s7Je2\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=29900\">\u30d0\u30a4\u30ab\u30eb\u30a2\u30b6\u30e9\u30b7\u306f\u4e38\u3044\u7a93\u304b\u3089\u5916\u3092\u898b\u3066\u3044\u308b\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u3011<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8221;\u30d0\u30a4\u30ab\u30eb\u30a2\u30b6\u30e9\u30b7\u306f\u4e38\u3044\u7a93\u304b\u3089\u5916\u3092\u898b\u3066\u3044\u308b\u3010\u79d1\u5b66\u306e\u30cd\u30bf\u3011&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=29900&#038;embed=true#?secret=Uar9e1MQDW#?secret=w3iW2s7Je2\" data-secret=\"w3iW2s7Je2\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p>Ja jos kokonaisheijastus kiinnostaa lis\u00e4\u00e4 hauskassa muodossa, kokeile t\u00e4t\u00e4:<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"fzQg5yeiXJ\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=24278\">\u6c34\u9762\u304c\u300c\u93e1\u300d\u306b\uff01 \u30ef\u30cb\u304c\u6559\u3048\u3066\u304f\u308c\u308b\u5149\u306e\u9b54\u6cd5\u300c\u5168\u53cd\u5c04\u300d\u306e\u79d8\u5bc6<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"&#8221;\u6c34\u9762\u304c\u300c\u93e1\u300d\u306b\uff01 \u30ef\u30cb\u304c\u6559\u3048\u3066\u304f\u308c\u308b\u5149\u306e\u9b54\u6cd5\u300c\u5168\u53cd\u5c04\u300d\u306e\u79d8\u5bc6&#8221; &#8212; \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=24278&#038;embed=true#?secret=4vkmw6k3my#?secret=fzQg5yeiXJ\" data-secret=\"fzQg5yeiXJ\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6<\/h3>\n<p> Tuodaan tieteen ihmeet l\u00e4hemm\u00e4s arkea. Sivustolta l\u00f6ytyy helposti toteutettavia kokeita ja selkeit\u00e4 vinkkej\u00e4 niiden tekemiseen. Kokeile etsi\u00e4 lis\u00e4\u00e4 kiinnostavia aiheita!<\/p>\n<p>\u30fbT\u00e4m\u00e4n sivuston sis\u00e4ll\u00f6st\u00e4 on tehty my\u00f6s kirja. Lis\u00e4tiedot <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbLis\u00e4tietoa kirjoittajasta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbYhteisty\u00f6pyynn\u00f6t (kirjoittaminen, luennot, ty\u00f6pajat, TV-ty\u00f6 jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbUusimmat p\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\">Tiedekanavalla<\/a> julkaistaan kokeisiin liittyvi\u00e4 videoita!<\/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 puhuu Science Trainer Kuwako Ken. Joka p\u00e4iv\u00e4 on uusi koe. Oletko koskaan katsonut akvaariota alhaalta y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2494,"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-63087","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\/2014\/02\/b873e4d27a379f33af29ab04e072053f.jpg","jetpack-related-posts":[{"id":63052,"url":"https:\/\/phys-edu.net\/wp\/?p=63052&lang=fi","url_meta":{"origin":63087,"position":0},"title":"V\u00e4rj\u00e4\u00e4, leikkaa ja h\u00e4mm\u00e4sty \u2013 Sellerin sis\u00e4lt\u00e4 paljastui uskomaton veden kuljetusverkosto.","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u67084\u65e5","format":false,"excerpt":"T\u00e4m\u00e4 on Science Trainer Kuwako Ken. 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\/2026\/05\/%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%88-2026-05-04-5.16.31.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-04-5.16.31.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-04-5.16.31.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%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%88-2026-05-04-5.16.31.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":62933,"url":"https:\/\/phys-edu.net\/wp\/?p=62933&lang=fi","url_meta":{"origin":63087,"position":1},"title":"Nolla nestett\u00e4! Kuiva j\u00e4\u00e4 katoaa \u2014 3 tunnin tiede sublimaatiosta, tiivistymisest\u00e4 ja tasaisesta liikkeest\u00e4","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u67081\u65e5","format":false,"excerpt":"Olen tiedevalmentaja Kuwako Ken. Jokainen p\u00e4iv\u00e4 on\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\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":55569,"url":"https:\/\/phys-edu.net\/wp\/?p=55569&lang=fi","url_meta":{"origin":63087,"position":2},"title":"Miksi taivas on sininen ja auringonlasku punainen? Paljasta salaisuus saippuakuplilla ja muovipullolla!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u67088\u65e5","format":false,"excerpt":"Terveisi\u00e4! Olen Kuwako Ken, tiedevalmentaja. Jokai\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2016-01-27 23.51.30","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/01\/6690af2d580198e1c976d350af5a151a.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":52379,"url":"https:\/\/phys-edu.net\/wp\/?p=52379&lang=fi","url_meta":{"origin":63087,"position":3},"title":"Laatikko laatikon sis\u00e4ll\u00e4! Tee valon taianomainen CMY-vesikuutio! (Valon taittuminen ja v\u00e4ritrion v\u00e4rit)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670816\u65e5","format":false,"excerpt":"Hei, olen tiedekouluttaja Ken Kuwako. Jokainen p\u00e4i\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\/02\/571792d02ea591ad9643207cf5e606fb.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/571792d02ea591ad9643207cf5e606fb.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/571792d02ea591ad9643207cf5e606fb.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/02\/571792d02ea591ad9643207cf5e606fb.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":55902,"url":"https:\/\/phys-edu.net\/wp\/?p=55902&lang=fi","url_meta":{"origin":63087,"position":4},"title":"Helppo kotikoe! Heijasta sein\u00e4lle \u201cyl\u00f6salainen maailma\u201d \u2013 linssien ja valon ihme","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u670814\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedekouluttaja. Joka p\u00e4iv\u00e4 on ko\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-01-30 21.02.11","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2014\/01\/20d7ef28c6cfe82391d850c34d96c8b21.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":54306,"url":"https:\/\/phys-edu.net\/wp\/?p=54306&lang=fi","url_meta":{"origin":63087,"position":5},"title":"Kuin jalokivet ilmestyisiv\u00e4t! 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