{"id":63626,"date":"2026-05-21T04:47:31","date_gmt":"2026-05-20T19:47:31","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=63626"},"modified":"2026-05-21T04:47:31","modified_gmt":"2026-05-20T19:47:31","slug":"sama-valkoinen-valo-mutta-taysin-erilainen-sisalta-paljastetaan-auringonvalon-ja-loisteputken-salaisuudet-diffraktiohilan-avulla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=63626&lang=fi","title":{"rendered":"Sama valkoinen valo, mutta t\u00e4ysin erilainen sis\u00e4lt\u00e4! Paljastetaan auringonvalon ja loisteputken salaisuudet diffraktiohilan avulla"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>T\u00e4\u00e4ll\u00e4 kirjoittaa tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on t\u00e4ynn\u00e4 kokeita.<\/strong><\/span><\/p>\n<p>T\u00e4ll\u00e4 kertaa tarkastelimme valkoista valoa diffraktiohilan avulla. Auringonvalo ja loisteputken valo n\u00e4ytt\u00e4v\u00e4t molemmat valkoisilta, mutta kun niiden sis\u00e4lt\u00e4mi\u00e4 valon komponentteja verrataan, huomataan niiden olevan t\u00e4ysin erilaisia. Kurkistetaanpa t\u00e4t\u00e4 eroa diffraktiohilan avulla (<span style=\"background-color: #ccffcc;\">varo kuitenkin katsomasta suoraan aurinkoon<\/span>).<\/p>\n<p>Katso ensin t\u00e4m\u00e4 video.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u540c\u3058\u767d\u3067\u3082\u3061\u3087\u3063\u3068\u9055\u3046\uff01\u56de\u6298\u683c\u5b50\u3067\u592a\u967d\u3068\u86cd\u5149\u706f\u3092\u898b\u305f\uff01\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/ZjkT6eX59Ls?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>Mik\u00e4 on diffraktiohila?<\/h3>\n<p>Diffraktiohila n\u00e4ytt\u00e4\u00e4 t\u00e4lt\u00e4. Se sijaitsee katseluaukon kohdalla, ja <b>t\u00e4ss\u00e4 hilassa on 5000 viivaa jokaista senttimetri\u00e4 kohden.<\/b> T\u00e4llaisia voi ostaa helposti my\u00f6s verkosta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63603 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.06.39.jpeg\" alt=\"\" width=\"445\" height=\"336\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.06.39.jpeg 766w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.06.39-300x226.jpeg 300w\" sizes=\"auto, (max-width: 445px) 100vw, 445px\" \/> <\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/amzn.to\/4v1Tuux\">Yksinkertainen spektroskoopin rakennussarja MJ, 8 kappaletta, Kenis<\/a><\/p>\n<p>5000 viivaa senttimetri\u00e4 kohden tarkoittaa, ett\u00e4 yhden viivan v\u00e4li on vain 0,002 mm eli 2 mikrometri\u00e4. Kun valo osuu n\u00e4ihin \u00e4\u00e4rimm\u00e4isen hienoihin uriin, eri aallonpituudet taipuvat eri kulmiin, jolloin v\u00e4rit erottuvat toisistaan. T\u00e4sm\u00e4lleen sama ilmi\u00f6 saa CD- ja DVD-levyjen pinnat hohtamaan sateenkaaren v\u00e4reiss\u00e4. Kuvassa n\u00e4kyv\u00e4 laite on Kenisilt\u00e4 hankittu spektroskooppi. Valo tulee sis\u00e4\u00e4n oikeanpuoleisesta raosta, kulkee diffraktiohilan l\u00e4pi ja jakautuu v\u00e4reiksi, jotka n\u00e4kyv\u00e4t vasemmalla puolella.<\/p>\n<h3>Loisteputken valo hajotettuna \u2014 n\u00e4kyviin ilmestyy \u201cviivoja\u201d<\/h3>\n<p>Aloitetaan loisteputken valosta. Valokaistaa tarkastellessa n\u00e4kyv\u00e4t <b>oikealta vasemmalle sininen, vaaleansininen, vihre\u00e4, oranssi ja punainen<\/b>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63604 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.03.jpeg\" alt=\"\" width=\"633\" height=\"441\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.03.jpeg 1156w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.03-300x209.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.03-1024x714.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.03-768x535.jpeg 768w\" sizes=\"auto, (max-width: 633px) 100vw, 633px\" \/><\/p>\n<p>Kiinnit\u00e4 huomiota siihen, ett\u00e4 valo n\u00e4kyy <b>erillisin\u00e4 viivoina eik\u00e4 jatkuvana v\u00e4rialueena<\/b>. T\u00e4m\u00e4 johtuu siit\u00e4, ett\u00e4 loisteputken sis\u00e4ll\u00e4 oleva elohopea ja muut kaasut l\u00e4hett\u00e4v\u00e4t vain tiettyj\u00e4 aallonpituuksia. Jokaisella kaasulla on sille ominaiset valon aallonpituudet, ja t\u00e4t\u00e4 kutsutaan emissiospektriksi. Juuri t\u00e4t\u00e4 ominaisuutta hy\u00f6dynt\u00e4m\u00e4ll\u00e4 tutkijat voivat selvitt\u00e4\u00e4 kaukaisten t\u00e4htien koostumusta Maasta k\u00e4sin. Hajottamalla t\u00e4hdist\u00e4 tulevaa valoa ihminen pystyy tutkimaan jopa sellaisia t\u00e4hti\u00e4, joihin emme koskaan voi matkustaa.<\/p>\n<h3>Mit\u00e4 tapahtuu, kun hajotetaan auringonvalo?<\/h3>\n<p>Seuraavaksi tarkastelimme auringonvaloa. Muista viel\u00e4 kerran: <b>\u00e4l\u00e4 koskaan katso suoraan aurinkoon.<\/b><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63605 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.53.jpeg\" alt=\"\" width=\"660\" height=\"409\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.53.jpeg 1184w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.53-300x186.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.53-1024x635.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.53-768x476.jpeg 768w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p>\n<p>T\u00e4ss\u00e4 on tulos. <b>V\u00e4rit vaihtuvat jatkuvasti sinisest\u00e4 punaiseen aivan kuin sateenkaaressa.<\/b> Toisin kuin loisteputken valossa, n\u00e4kyviss\u00e4 ei ole erillisi\u00e4 viivoja, vaan kaikki v\u00e4rit sulautuvat pehme\u00e4sti toisiinsa. T\u00e4t\u00e4 kutsutaan jatkuvaksi spektriksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-63606 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.09.02.jpeg\" alt=\"\" width=\"643\" height=\"363\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.09.02.jpeg 1198w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.09.02-300x169.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.09.02-1024x578.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.09.02-768x433.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.09.02-320x180.jpeg 320w\" sizes=\"auto, (max-width: 643px) 100vw, 643px\" \/><\/p>\n<p>Toisin sanoen <b>auringonvalo sis\u00e4lt\u00e4\u00e4 kaikkia n\u00e4kyv\u00e4n valon aallonpituuksia<\/b>. Kun sateen j\u00e4lkeen taivaalle ilmestyy sateenkaari, ilmassa olevat vesipisarat toimivat kuin pienet prismat ja erottelevat auringonvalon eri v\u00e4reihin. Diffraktiohilassa n\u00e4hty jatkuva spektri on t\u00e4sm\u00e4lleen sama ilmi\u00f6.<\/p>\n<p>Kokeile verrata t\u00e4t\u00e4 koulussa opittuun diffraktion ehtoyht\u00e4l\u00f6\u00f6n ja pohdi, <b>miksi sininen n\u00e4kyy sis\u00e4puolella ja punainen ulkopuolella<\/b>. Vihje l\u00f6ytyy aallonpituuden ja diffraktiokulman suhteesta. Sinisell\u00e4 valolla aallonpituus on lyhyt, punaisella pitk\u00e4 \u2014 ja siit\u00e4 ajatuksen voi aloittaa.<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tehd\u00e4\u00e4n tieteen ihmeist\u00e4 ja hauskuudesta helpommin l\u00e4hestytt\u00e4vi\u00e4! Sivustolta l\u00f6yd\u00e4t kotona teht\u00e4vi\u00e4 tiedekokeita ja selkeit\u00e4 vinkkej\u00e4 niiden toteuttamiseen. K\u00e4y tutkimassa lis\u00e4\u00e4!<\/p>\n<p>\u30fb\u201dKagakun netach\u014d\u201d -sivuston sis\u00e4ll\u00f6ist\u00e4 on julkaistu my\u00f6s kirja. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbLis\u00e4tietoa sivuston yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4\u00e4ll\u00e4<\/a><br \/>\n\u30fbErilaiset yhteisty\u00f6pyynn\u00f6t (kirjoitukset, luennot, tiedekerhot, 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 artikkelip\u00e4ivitykset l\u00f6ytyv\u00e4t my\u00f6s <a href=\"https:\/\/x.com\/kuwako\">X:st\u00e4<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Kagakun Neta Channel<\/a> julkaisee jatkuvasti uusia kokeiluvideoita!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/p>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/li>\r\n<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09<br \/><img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><br \/><\/strong><\/li>\r\n<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002<br \/><img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\uff08\u65e5\u672c\u8a9e\uff09<\/p>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a>\uff08\u82f1\u8a9e\uff09<\/p>\r\n<h3 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 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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 kirjoittaa tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on t\u00e4ynn\u00e4 kokeita. T\u00e4ll\u00e4 kertaa tarkastelimme val [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":63604,"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-63626","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-05-21-4.08.03.jpeg","jetpack-related-posts":[{"id":63358,"url":"https:\/\/phys-edu.net\/wp\/?p=63358&lang=fi","url_meta":{"origin":63626,"position":0},"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":63266,"url":"https:\/\/phys-edu.net\/wp\/?p=63266&lang=fi","url_meta":{"origin":63626,"position":1},"title":"Yleisurheilup\u00e4iv\u00e4n py\u00f6rteest\u00e4 valon taittumiseen! 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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":62765,"url":"https:\/\/phys-edu.net\/wp\/?p=62765&lang=fi","url_meta":{"origin":63626,"position":2},"title":"Luokkahuone muuttuu valon labyrintiksi! 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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\/2025\/12\/%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%88-2026-04-24-18.07.54.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-24-18.07.54.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-24-18.07.54.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-24-18.07.54.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-24-18.07.54.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/12\/%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%88-2026-04-24-18.07.54.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":53925,"url":"https:\/\/phys-edu.net\/wp\/?p=53925&lang=fi","url_meta":{"origin":63626,"position":3},"title":"Oletko S\u00e4hk\u00f6ihminen? \u2013 Sytyt\u00e4 Loisteputki Vain Koskettamalla!","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u67086\u65e5","format":false,"excerpt":"Olen Kuwako Ken, Tiedevalmentaja. 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