{"id":57040,"date":"2025-12-09T04:58:15","date_gmt":"2025-12-08T19:58:15","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=57040"},"modified":"2025-12-09T04:58:15","modified_gmt":"2025-12-08T19:58:15","slug":"kuulakin-on-huippuluokan-linssi-opi-valon-ja-silman-toiminta-yksinkertaisella-kuulalla","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=57040&lang=fi","title":{"rendered":"Kuulakin on huippuluokan linssi! Opi valon ja silm\u00e4n toiminta yksinkertaisella kuulalla"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\">Tervehdys, olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on kokeilu!<\/span><\/p>\n<p>Kuulalasi-linssikokeilu<br \/>\nTarvitset vain yhden kirkkaan lasikuulan (yksi per henkil\u00f6 on paras). Koulutunneilla opiskelijoiden m\u00e4\u00e4r\u00e4n mukainen er\u00e4 ostetaan ja jaetaan, ja juuri t\u00e4m\u00e4 edullisuus tekee kokeesta niin vieh\u00e4tt\u00e4v\u00e4n.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26088 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/1071010a30e8ba67fb2e0c60b80e26f5.jpg\" alt=\"%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%88-2016-09-30-9-57-15\" width=\"558\" height=\"367\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/1071010a30e8ba67fb2e0c60b80e26f5.jpg 558w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/1071010a30e8ba67fb2e0c60b80e26f5-300x197.jpg 300w\" sizes=\"auto, (max-width: 558px) 100vw, 558px\" \/><\/p>\n<p>Koe 1: Valon ker\u00e4\u00e4minen ja &#8220;todellisen kuvan&#8221; luominen<br \/>\nAseta ensin lasikuula valkoiselle paperille ja nosta sit\u00e4 sitten hieman yl\u00f6sp\u00e4in. Jos olet paikassa, jossa on kattoikkunat tai loisteputkivalaisimet, l\u00f6yd\u00e4t kohdan, jossa kuulan l\u00e4pi kulkenut valo heijastuu paperille.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26087 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/2a2f0152e65cefd34fd80946559dbe60.jpg\" alt=\"%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%88-2016-09-30-9-58-07\" width=\"488\" height=\"434\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/2a2f0152e65cefd34fd80946559dbe60.jpg 488w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/2a2f0152e65cefd34fd80946559dbe60-300x267.jpg 300w\" sizes=\"auto, (max-width: 488px) 100vw, 488px\" \/><\/p>\n<p style=\"text-align: center;\">T\u00e4st\u00e4 kuvasta se on vaikea havaita, mutta loisteputki heijastuu paperille.<\/p>\n<p>Kuvaaminen oli hieman haastavaa, mutta paljain silmin n\u00e4et loisteputken muodon piirtyv\u00e4n selke\u00e4sti paperille. T\u00e4t\u00e4 kutsutaan todelliseksi kuvaksi (eli reilikuva). Koska lasikuula on pallomainen, se toimii eritt\u00e4in voimakkaana kuperana linssin\u00e4. Kupera linssi kokoaa valon yhteen pisteeseen ja muodostaa et\u00e4\u00e4ll\u00e4 olevasta loisteputkesta kuvan paperille. T\u00e4m\u00e4 periaate on t\u00e4ysin sama kuin se, miten silm\u00e4mme tai kamerat taltioivat kuvaa.<\/p>\n<p>Koe 2: Toimii suurennuslasina, joka suurentaa teksti\u00e4<br \/>\nAseta seuraavaksi kuula tulostetun tekstin p\u00e4\u00e4lle, niin ett\u00e4 se koskettaa sit\u00e4. Nyt kuula muuttuu suurennuslasiksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26086 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/2ec0e4914b59a73e7a319cbd5d26a663.jpg\" alt=\"%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%88-2016-09-30-9-57-49\" width=\"437\" height=\"415\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/2ec0e4914b59a73e7a319cbd5d26a663.jpg 437w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/2ec0e4914b59a73e7a319cbd5d26a663-300x285.jpg 300w\" sizes=\"auto, (max-width: 437px) 100vw, 437px\" \/><\/p>\n<p>Milt\u00e4 n\u00e4ytt\u00e4\u00e4? &#8220;\u5927&#8221; (suuri) -merkki on suurentunut noin nelinkertaiseksi! Kun katsomme kohdetta linssi\u00e4 l\u00e4hell\u00e4 pit\u00e4en, n\u00e4emme suurennetun kuvan, jota kutsutaan valekuvaksi (eli virtuaalikuva). My\u00f6s lukulasit ja mikroskoopit hy\u00f6dynt\u00e4v\u00e4t t\u00e4t\u00e4 ominaisuutta.<\/p>\n<p>Koe 3: Maailma yl\u00f6salaisin? &#8220;Nurinkurinen todellinen kuva&#8221;<br \/>\nViimeiseksi, nosta teksti\u00e4 vasten olevaa kuulaa hitaasti yl\u00f6sp\u00e4in. Kun ylit\u00e4t tietyn korkeuden, tapahtuu jotain outoa.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26085 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/9d7d00943c538b5e70f896e1321579b8.jpg\" alt=\"%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%88-2016-09-30-9-57-29\" width=\"545\" height=\"434\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/9d7d00943c538b5e70f896e1321579b8.jpg 545w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2016\/10\/9d7d00943c538b5e70f896e1321579b8-300x239.jpg 300w\" sizes=\"auto, (max-width: 545px) 100vw, 545px\" \/><\/p>\n<p>Huomaatko? Nyt teksti on k\u00e4\u00e4ntynyt yl\u00f6s- ja alasp\u00e4in sek\u00e4 sivuille. Kuvan &#8220;F&#8221;-kirjain on k\u00e4\u00e4ntynyt ymp\u00e4ri. Kun et\u00e4isyys linssist\u00e4 (kuulasta) kasvaa, valons\u00e4teiden kulkureitit riste\u00e4v\u00e4t ja kuva n\u00e4kyy k\u00e4\u00e4ntyneen\u00e4.<\/p>\n<p>Itse asiassa, my\u00f6s ihmisen verkkokalvolle heijastuva kuva on alun perin yl\u00f6salaisin. Aivot korjaavat sen v\u00e4litt\u00f6m\u00e4sti, ja siksi n\u00e4emme maiseman oikeinp\u00e4in. On uskomatonta, ett\u00e4 yhdell\u00e4 lasikuulalla voi kokea silm\u00e4n mekanismin! Kun annan oppilaille kuulat, he uppoutuvat niihin ja alkavat tiirailla niill\u00e4 kaikenlaisia asioita. Koen, ett\u00e4 juuri t\u00e4m\u00e4 &#8220;leikki&#8221; on portti tieteen kiinnostavuuteen. Koska lasikuulia voi ostaa edullisesti eriss\u00e4, suosittelen ehdottomasti kokeilemaan t\u00e4t\u00e4 koulutunneilla tai kotona.<\/p>\n<p>Kyselyt ja yhteisty\u00f6<br \/>\nTee tieteen ihmeist\u00e4 ja hauskuudesta l\u00e4hestytt\u00e4v\u00e4mp\u00e4\u00e4! Olen koonnut helposti ymm\u00e4rrett\u00e4vi\u00e4 ohjeita kotona teht\u00e4viin hauskoihin tiedekokeisiin ja niiden nikseihin. K\u00e4yt\u00e4 rohkeasti hakua ja tutki lis\u00e4\u00e4!<\/p>\n<p>Tiedevihkon sis\u00e4lt\u00f6 on julkaistu kirjana. Lis\u00e4tietoja t\u00e4\u00e4lt\u00e4<\/p>\n<p>Lis\u00e4tietoja yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta t\u00e4\u00e4lt\u00e4<\/p>\n<p>Erilaiset yhteisty\u00f6pyynn\u00f6t (kirjoittaminen, luennot, kokeilupajat, TV-konsultointi\/esiintyminen jne.) t\u00e4\u00e4lt\u00e4 <span class=\"s2\">* Artikkelien p\u00e4ivitykset jaetaan X:ss\u00e4!<\/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>Kokeiluvideoita on jaossa Tiedevihko-kanavalla!<\/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>Tervehdys, olen tiedevalmentaja Ken Kuwako. Jokainen p\u00e4iv\u00e4 on kokeilu! Kuulalasi-linssikokeilu Tarvitset vain  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":26086,"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-57040","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\/2016\/10\/2ec0e4914b59a73e7a319cbd5d26a663.jpg","jetpack-related-posts":[{"id":55854,"url":"https:\/\/phys-edu.net\/wp\/?p=55854&lang=fi","url_meta":{"origin":57040,"position":0},"title":"Pyydyst\u00e4 valon taittuminen! Nelj\u00e4 nuppineulaa paljastaa valon salaisen reitin (Pystytk\u00f6 paljastamaan valokuvahuijauksen?)","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u670813\u65e5","format":false,"excerpt":"Olen Ken Kuwako, tiedeohjaaja. Jokainen p\u00e4iv\u00e4 on k\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\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/06\/e6d88b8ba4709477e240017b28f76a34.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52847,"url":"https:\/\/phys-edu.net\/wp\/?p=52847&lang=fi","url_meta":{"origin":57040,"position":1},"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. Joka p\u00e4iv\u00e4 o\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%88-2025-09-21-17.24.26.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%88-2025-09-21-17.24.26.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%88-2025-09-21-17.24.26.jpg?resize=525%2C300&ssl=1 1.5x, 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%88-2025-09-21-17.24.26.jpg?resize=700%2C400&ssl=1 2x, 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%88-2025-09-21-17.24.26.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":62765,"url":"https:\/\/phys-edu.net\/wp\/?p=62765&lang=fi","url_meta":{"origin":57040,"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":55902,"url":"https:\/\/phys-edu.net\/wp\/?p=55902&lang=fi","url_meta":{"origin":57040,"position":3},"title":"Helppo kotikoe! 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Joka 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\/10\/%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%88-2025-10-02-5.09.20.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-02-5.09.20.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-02-5.09.20.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-02-5.09.20.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-02-5.09.20.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/10\/%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%88-2025-10-02-5.09.20.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":57961,"url":"https:\/\/phys-edu.net\/wp\/?p=57961&lang=fi","url_meta":{"origin":57040,"position":5},"title":"Tiedett\u00e4 kotona! Valoa kiert\u00e4m\u00e4ll\u00e4 syntyy v\u00e4rej\u00e4? Teippi muuttuu taikamaaliksi \u2014 rakenna polarisaatiokaleidoskooppi","author":"\u6851\u5b50 \u7814","date":"2025\u5e7412\u670828\u65e5","format":false,"excerpt":"Hei, olen tiedevalmentaja Ken Kuwako. Minulle joka\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\/2017\/10\/0fb44cfc278b2c42fbd26873066923ef.png?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\/57040","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=57040"}],"version-history":[{"count":0,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/57040\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=\/wp\/v2\/media\/26086"}],"wp:attachment":[{"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=57040"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=57040"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phys-edu.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=57040"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}