{"id":63387,"date":"2026-05-14T04:39:41","date_gmt":"2026-05-13T19:39:41","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63387"},"modified":"2026-05-14T04:39:41","modified_gmt":"2026-05-13T19:39:41","slug":"loytyiko-akvaariosta-paaton-olento-sen-salaisuus-ja-veden-pinnalla-leviavan-fysiikan-hammastyttavat-ilmiot","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63387&lang=fi","title":{"rendered":"L\u00f6ytyik\u00f6 akvaariosta \u201cp\u00e4\u00e4t\u00f6n olento\u201d!?     Sen salaisuus ja veden pinnalla levi\u00e4v\u00e4n fysiikan h\u00e4mm\u00e4stytt\u00e4v\u00e4t ilmi\u00f6t"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4\u00e4ll\u00e4 tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on uusi koe.<\/strong><\/span><\/p>\n<p>Ja nyt pieni arvoitus. Katso ensin t\u00e4m\u00e4 video. Musta hahmo liikkuu kuvassa \u2014 mutta mik\u00e4 ihme se oikein on?<\/p>\n<p><iframe loading=\"lazy\" title=\"\u9996\u306e\u306a\u3044\u751f\u7269!?\u3053\u308c\u306a\u30fc\u3093\u3060\uff01\u3010\u5c48\u6298\u306e\u6cd5\u5247\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/j85OScvoJVk?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p style=\"text-align: center;\">Mit\u00e4 ihmett\u00e4 oikein tapahtuu!?<\/p>\n<p> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35494 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/4f085922adaad96a51b3f6d0292677eb.jpg\" alt=\"\" width=\"371\" height=\"208\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/4f085922adaad96a51b3f6d0292677eb.jpg 1174w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/4f085922adaad96a51b3f6d0292677eb-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/4f085922adaad96a51b3f6d0292677eb-1024x574.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/4f085922adaad96a51b3f6d0292677eb-768x430.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/4f085922adaad96a51b3f6d0292677eb-320x180.jpg 320w\" sizes=\"auto, (max-width: 371px) 100vw, 371px\" \/> <\/p>\n<p style=\"text-align: center;\">P\u00e4\u00e4tt\u00f6m\u00e4t el\u00e4imet n\u00e4ytt\u00e4v\u00e4t liikkuvan vedess\u00e4.<\/p>\n<p>Keksitk\u00f6 jo vastauksen? Kyseess\u00e4 on oikeasti <b>pingviini<\/b>! Video on kuvattu Tokion Skytreen vieress\u00e4 sijaitsevassa \u201cSumida Aquarium\u201d -akvaariossa suoraan altaan pohjan alta yl\u00f6sp\u00e4in. Kuvakulma saa meid\u00e4t katsomaan pingviinej\u00e4 aivan kuin veden alta k\u00e4sin. Hassua kyll\u00e4, t\u00e4st\u00e4 suunnasta katsottuna niiden kaula n\u00e4ytt\u00e4\u00e4 katoavan kokonaan.<\/p>\n<h3>Fysiikkaa Sumida-akvaariossa<\/h3>\n<p>K\u00e4vin hiljattain <a href=\"http:\/\/www.sumida-aquarium.com\/\">Sumida-akvaariossa<\/a>. Paikan vetonaula on valtava sis\u00e4tiloissa oleva pingviiniallas. Toisesta kerroksesta altaaseen voi kurkistaa ylh\u00e4\u00e4lt\u00e4 p\u00e4in.<\/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;\">Ylh\u00e4\u00e4lt\u00e4 katsottuna altaan sininen pohja n\u00e4kyy hyvin.<\/p>\n<p>Kun laskeutuu ensimm\u00e4iseen kerrokseen, allasta voi tarkastella alhaalta p\u00e4in \u201cpingviinin n\u00e4k\u00f6kulmasta\u201d. Juuri siit\u00e4 kuvakulmasta alkuvideokin oli kuvattu.<\/p>\n<p>Mutta kun allasta katsoo veden alta yl\u00f6sp\u00e4in, n\u00e4kyy jotain todella erikoista.<\/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>Kun katsoo taivasta veden l\u00e4pi, n\u00e4kym\u00e4 jakautuu selv\u00e4sti kahteen osaan: <b>alueeseen, josta ulkomaailma n\u00e4kyy<\/b> ja <b>alueeseen, joka n\u00e4ytt\u00e4\u00e4 t\u00e4ysin siniselt\u00e4<\/b>. N\u00e4ytt\u00e4\u00e4 aivan silt\u00e4 kuin veden pinnassa olisi py\u00f6re\u00e4 ikkuna.<\/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>Sininen alue ei muuten ole taivasta, vaan altaan pohjaan maalattua sinist\u00e4 betonia.<\/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>Miksi ulkomaailma siis n\u00e4ytt\u00e4\u00e4 silt\u00e4 kuin se olisi leikattu n\u00e4kyviin py\u00f6re\u00e4st\u00e4 aukosta? Mik\u00e4 t\u00e4m\u00e4n rajan oikeastaan muodostaa?<\/p>\n<h3>Syy l\u00f6ytyy kokonaisheijastuksesta!<\/h3>\n<p>T\u00e4m\u00e4n ilmi\u00f6n taustalla ovat <b>valon taittuminen ja kokonaisheijastus<\/b>. Kun nostaa katsetta hieman ja katsoo vinosti yl\u00f6sp\u00e4in veden l\u00e4pi, katon valot alkavat n\u00e4ky\u00e4. Valolla on ominaisuus nimelt\u00e4 \u201cvalon kulun k\u00e4\u00e4nnett\u00e4vyys\u201d: jos seuraamme silm\u00e4\u00e4n saapuvan valon reitti\u00e4 taaksep\u00e4in, voimme p\u00e4\u00e4tell\u00e4 mist\u00e4 valo on tullut.<\/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=\"563\" height=\"372\" 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: 563px) 100vw, 563px\" \/><\/p>\n<p>Kun katsetta siirt\u00e4\u00e4 v\u00e4hitellen alasp\u00e4in, tulee vastaan kohta, jossa n\u00e4kym\u00e4 muuttuu \u00e4kisti: ulkomaailma katoaa ja n\u00e4kyviin j\u00e4\u00e4 vain altaan sininen pohja. T\u00e4t\u00e4 rajakulmaa kutsutaan <b>kriittiseksi kulmaksi<\/b>.<\/p>\n<p>Ilmi\u00f6 voidaan laskea lukiossa opittavan <b>Snellin lain<\/b> avulla. Kun ilman taitekerroin on noin 1 ja veden noin 1,33, kriittiseksi kulmaksi saadaan noin <b>48\u00b0<\/b>. (Lukiolaiset: kokeilkaa itse laskea se arcsin-toiminnolla!)<\/p>\n<p>Toisin sanoen: kun veden alta katsotaan alle 48\u00b0 kulmassa veden pintaan n\u00e4hden, ulkomaailma n\u00e4kyy. Mutta kun katselukulma muuttuu jyrkemm\u00e4ksi, tapahtuu kokonaisheijastus eik\u00e4 ulkopuoli en\u00e4\u00e4 n\u00e4y lainkaan \u2014 n\u00e4kyviin j\u00e4\u00e4 vain altaan pohjan v\u00e4ri.<\/p>\n<p>Todellisessa akvaariossa valo taittuu my\u00f6s lasin ja ilman rajapinnassa, joten k\u00e4yt\u00e4nn\u00f6n kulma on hieman suurempi kuin 48\u00b0.<\/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>Koska sama rajakulma syntyy joka suuntaan, n\u00e4kyv\u00e4 alue muodostuu t\u00e4ydellisen py\u00f6re\u00e4ksi \u201cikkunaksi\u201d.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" 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<h3>Katsovatko pingviinit meit\u00e4 saman \u201cikkunan\u201d l\u00e4pi?<\/h3>\n<p>Katsotaan viel\u00e4 kerran kuvaa ylh\u00e4\u00e4lt\u00e4 p\u00e4in.<\/p>\n<p><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 koko altaan pohja n\u00e4ytt\u00e4\u00e4 siniselt\u00e4. Mutta veden alta katsottuna ulkomaailma n\u00e4kyy vain py\u00f6re\u00e4n \u201cikkunan\u201d kautta.<\/p>\n<p>Ehk\u00e4 pingviinitkin kurkistavat meit\u00e4 t\u00e4m\u00e4n vedenalaisen ikkunan l\u00e4pi. Tulee melkein tunne, ett\u00e4 katseet kohtaavat.<\/p>\n<p>Seuraavan kerran akvaariossa k\u00e4ydess\u00e4si kokeile katsoa allasta alhaalta yl\u00f6sp\u00e4in. Oppikirjan \u201cvalon taittuminen\u201d muuttuu siell\u00e4 oikeaksi, el\u00e4v\u00e4ksi maisemaksi.<\/p>\n<div class=\"g-ytsubscribe\" data-channelid=\"UCBoF1yPvFnXnSJ_Xe5AmXcw\" data-layout=\"full\" data-count=\"default\"><\/div>\n<h3>Yhteydenotot ja yhteisty\u00f6<\/h3>\n<p>Tiede kuuluu kaikille! Sivustolla esitell\u00e4\u00e4n hauskoja kotona teht\u00e4vi\u00e4 tiedekokeita ja niiden vinkkej\u00e4 helposti ymm\u00e4rrett\u00e4v\u00e4ll\u00e4 tavalla. Tutustu rohkeasti eri aiheisiin!<\/p>\n<p>\u30fb\u201cKagakun Netach\u014d\u201d -sivuston sis\u00e4ll\u00f6st\u00e4 on julkaistu my\u00f6s kirja. Lis\u00e4tiedot <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbLis\u00e4\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbYhteisty\u00f6pyynn\u00f6t (kirjoitukset, luennot, tiedety\u00f6pajat, TV-valvonta ja esiintymiset jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbUusimmat artikkelit 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\">Kagakun Neta Channel<\/a> julkaisee tiedekoevideoita s\u00e4\u00e4nn\u00f6llisesti!<\/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 tiedevalmentaja Ken Kuwako. Joka p\u00e4iv\u00e4 on uusi koe. Ja nyt pieni arvoitus. Katso ensin t\u00e4m\u00e4 video. Must [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":35494,"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-63387","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\/04\/4f085922adaad96a51b3f6d0292677eb.jpg","jetpack-related-posts":[{"id":63087,"url":"https:\/\/phys-edu.net\/wp\/?p=63087&lang=fi","url_meta":{"origin":63387,"position":0},"title":"48 asteen taika: Kurkistus pingviinien &#8220;toiseen maailmaan&#8221;","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u67085\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 puhuu Science Trainer Kuwako Ken. Joka p\u00e4iv\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"20130804131400","src":"https:\/\/i0.wp.com\/cdn-ak.f.st-hatena.com\/images\/fotolife\/k\/kkuwako\/20130804\/20130804131400.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":63358,"url":"https:\/\/phys-edu.net\/wp\/?p=63358&lang=fi","url_meta":{"origin":63387,"position":1},"title":"Miksi valo taipuu? Aaltojen salaisuus, jonka nero l\u00f6ysi 350 vuotta sitten (Huygensin periaate)","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670813\u65e5","format":false,"excerpt":"T\u00e4\u00e4ll\u00e4 Science Trainer Kuwako Ken. Joka p\u00e4iv\u00e4 on u\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/%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%88-2026-05-13-4.07.26.jpeg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":52329,"url":"https:\/\/phys-edu.net\/wp\/?p=52329&lang=fi","url_meta":{"origin":63387,"position":2},"title":"Kylpyhuone muuttuu tiedelaboratorioksi! Koe vedenpaine kumihanskoilla","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670815\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Joka p\u00e4iv\u00e4 on koe\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\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-09-16-18.23.57-4.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-09-16-18.23.57-4.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2025-09-16-18.23.57-4.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":59938,"url":"https:\/\/phys-edu.net\/wp\/?p=59938&lang=fi","url_meta":{"origin":63387,"position":3},"title":"Sateenvarjopussi taikalangaksi? 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Jokainen p\u00e4iv\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\/04\/584cbdc9b7f6924085f7e2737511121c.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/584cbdc9b7f6924085f7e2737511121c.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/584cbdc9b7f6924085f7e2737511121c.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/04\/584cbdc9b7f6924085f7e2737511121c.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":57155,"url":"https:\/\/phys-edu.net\/wp\/?p=57155&lang=fi","url_meta":{"origin":63387,"position":5},"title":"Miksi laiva kelluu? Tutustu nosteen maailmaan yksinkertaisella vedenpainekokeella","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670812\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":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/12\/7d1fa932b0887dc76fcc5928097ccb25.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63387","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=63387"}],"version-history":[{"count":1,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63387\/revisions"}],"predecessor-version":[{"id":63388,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/63387\/revisions\/63388"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/35494"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=63387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=63387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=63387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}