{"id":64564,"date":"2026-06-16T04:24:50","date_gmt":"2026-06-15T19:24:50","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=64564"},"modified":"2026-06-16T04:24:50","modified_gmt":"2026-06-15T19:24:50","slug":"mita-syvempi-tyhjio-sita-enemman-vareja%ef%bc%81%ef%bc%9fsalamyhkainen-maailma-jossa-tyhjioputket-hehkuvat-korkeajannitteessa","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=64564&lang=fi","title":{"rendered":"Mit\u00e4 syvempi tyhji\u00f6, sit\u00e4 enemm\u00e4n v\u00e4rej\u00e4\uff01\uff1fSalamyhk\u00e4inen maailma, jossa tyhji\u00f6putket hehkuvat korkeaj\u00e4nnitteess\u00e4"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen tiedevalmentaja Kuwako Ken. Joka p\u00e4iv\u00e4 on kokeilu.<\/strong><\/span><\/p>\n<p>Pime\u00e4ss\u00e4 huoneessa lasiputki hohtaa kevyesti. Sinist\u00e4, pinkki\u00e4, oranssia\u2026 kuin revontulien kaltaisia valonvaihteluita. T\u00e4m\u00e4 ei ole erikoisvalaistusta eik\u00e4 tietokonegrafiikkaa. <b>Se on fysiikan koe, jossa v\u00e4ri muuttuu &#8220;tyhji\u00f6n asteesta&#8221; riippuen<\/b>. T\u00e4ll\u00e4 kertaa esittelemme mystisen valoilmi\u00f6n, joka syntyy kun putkeen sy\u00f6tet\u00e4\u00e4n korkeaj\u00e4nnite, sek\u00e4 sen toimintaperiaatteen.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-37219 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611.jpg\" alt=\"\" width=\"542\" height=\"407\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611.jpg 1280w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611-1024x768.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611-768x576.jpg 768w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/> <\/p>\n<h3>Mit\u00e4 tyhji\u00f6putki tekee?<\/h3>\n<p>&#8220;Oletko kuullut sanan &#8216;tyhji\u00f6putki&#8217;?&#8221;<br \/>\nSe oli aikoinaan v\u00e4ltt\u00e4m\u00e4t\u00f6n elektroniikkakomponentti radioissa, televisioissa ja tietokoneissa, ja se on nykyaikaisten transistorien ja IC-sirujen &#8220;esi-is\u00e4&#8221;. Tyhji\u00f6putken perusperiaate on hyvin yksinkertainen. <b>Ilma poistetaan lasiputkesta l\u00e4hes tyhji\u00f6ksi, ja elektrodit asetetaan sis\u00e4\u00e4n, jolloin s\u00e4hk\u00f6virta kulkee<\/b>. Tyhji\u00f6ss\u00e4 elektronit voivat liikkua t\u00f6rm\u00e4\u00e4m\u00e4tt\u00e4 ilmamolekyyleihin, mik\u00e4 mahdollistaa eritt\u00e4in tarkan virran hallinnan.<\/p>\n<h3>Miksi v\u00e4ri muuttuu tyhji\u00f6asteen mukaan?<\/h3>\n<p>T\u00e4ss\u00e4 kokeessa havaitaan ilmi\u00f6, jossa <b>nelj\u00e4 eriasteista tyhji\u00f6t\u00e4 sis\u00e4lt\u00e4v\u00e4\u00e4 putkea hehkuu eri v\u00e4reiss\u00e4, kun niihin sy\u00f6tet\u00e4\u00e4n korkeaj\u00e4nnite<\/b>. Katso video.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u7a7a\u6c17\u3092\u8584\u304f\u3057\u3066\u96f7\u3092\u89b3\u5bdf\uff01\u771f\u7a7a\u653e\u96fb\u3067\u9055\u3044\u3092\u89b3\u5bdf\uff01\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/JPehmZ2xcI4?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>Katsotaan vasemmanpuoleisimman purkausputken v\u00e4ri\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64552\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.23.jpeg\" alt=\"\" width=\"1862\" height=\"922\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.23.jpeg 1862w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.23-300x149.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.23-1024x507.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.23-768x380.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.23-1536x761.jpeg 1536w\" sizes=\"auto, (max-width: 1862px) 100vw, 1862px\" \/><\/p>\n<p>Toinen<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64553\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.46.jpeg\" alt=\"\" width=\"1862\" height=\"928\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.46.jpeg 1862w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.46-300x150.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.46-1024x510.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.46-768x383.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.12.46-1536x766.jpeg 1536w\" sizes=\"auto, (max-width: 1862px) 100vw, 1862px\" \/><\/p>\n<p>Kolmas<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64554\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.08.jpeg\" alt=\"\" width=\"1872\" height=\"926\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.08.jpeg 1872w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.08-300x148.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.08-1024x507.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.08-768x380.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.08-1536x760.jpeg 1536w\" sizes=\"auto, (max-width: 1872px) 100vw, 1872px\" \/><\/p>\n<p>Nelj\u00e4s \u2013 se n\u00e4ytt\u00e4\u00e4 valkoiselta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-64555\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.32.jpeg\" alt=\"\" width=\"1888\" height=\"924\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.32.jpeg 1888w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.32-300x147.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.32-1024x501.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.32-768x376.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-16-4.13.32-1536x752.jpeg 1536w\" sizes=\"auto, (max-width: 1888px) 100vw, 1888px\" \/><\/p>\n<p>Miksi v\u00e4ri muuttuu? Avain on putkeen j\u00e4\u00e4neen kaasun tyypiss\u00e4 ja m\u00e4\u00e4r\u00e4ss\u00e4. Kun j\u00e4nnite kytket\u00e4\u00e4n, elektrodeista sinkoutuu nopeita elektroneja. Kun n\u00e4m\u00e4 elektronit t\u00f6rm\u00e4\u00e4v\u00e4t putkessa oleviin kaasumolekyyleihin, molekyylien energiataso nousee (virittyminen). Kun molekyylit palaavat perustilaansa, ne <b>s\u00e4teilev\u00e4t valoa<\/b>, ja s\u00e4teilev\u00e4n valon aallonpituus (eli v\u00e4ri) riippuu kaasun lajista.<\/p>\n<p>Alhaisessa tyhji\u00f6ss\u00e4 (kun ilmaa on paljon j\u00e4ljell\u00e4) typen ja hapen molekyylit osallistuvat hehkuun, jolloin v\u00e4ri n\u00e4ytt\u00e4\u00e4 <b>pinkilt\u00e4 ja oranssilta<\/b>. Kun tyhji\u00f6aste kasvaa ja j\u00e4ljell\u00e4 oleva kaasu v\u00e4henee, valo muuttuu <b>sinert\u00e4v\u00e4n valkoiseksi ja kohti ultraviolettia<\/b>. Kun tyhji\u00f6 on \u00e4\u00e4rimm\u00e4isen korkea, elektronit osuvat lasiputken sein\u00e4m\u00e4\u00e4n ja synnytt\u00e4v\u00e4t <b>fluoresenssia (vihre\u00e4\u00e4 valoa)<\/b>. T\u00e4t\u00e4 ilmi\u00f6t\u00e4 kutsutaan katodis\u00e4teiksi, ja se on sama periaate kuin vanhoissa kuvaputkitelevisioissa. Toisin sanoen v\u00e4rimuutokset kertovat, <b>mihin elektronit t\u00f6rm\u00e4\u00e4v\u00e4t<\/b>.<\/p>\n<p>T\u00e4ss\u00e4 on laitteen kokonaiskuva.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-37219 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611.jpg\" alt=\"\" width=\"542\" height=\"407\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611.jpg 1280w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611-1024x768.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2021\/01\/IMG_1611-768x576.jpg 768w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/> <\/p>\n<h3>P\u00e4iv\u00e4, jolloin opin induktiokelan vaaran kehollani<\/h3>\n<p>Kun tein t\u00e4t\u00e4 koetta, tapahtui jotain unohtumatonta. Selitt\u00e4ess\u00e4ni tyhji\u00f6putkea esittelyn yhteydess\u00e4 kosketin vahingossa <b>induktiokelan elektrodia<\/b>. Sill\u00e4 hetkell\u00e4 tajuntani oli l\u00e4hes menn\u00e4. Sain voimakkaan iskun ja lensin taaksep\u00e4in, lys\u00e4ht\u00e4en maahan. Olen monesti kertonut kokeiden yhteydess\u00e4, ett\u00e4 korkeaj\u00e4nnite on vaarallista, mutta tuona p\u00e4iv\u00e4n\u00e4 <b>koin s\u00e4hk\u00f6iskun pelottavuuden omassa kehossani<\/b>.<\/p>\n<p>Induktiokela n\u00e4ytt\u00e4\u00e4 pienelt\u00e4 laitteelta, mutta se voi tuottaa kymmeni\u00e4 tuhansia voltteja. Kauniin hehkun takana piilee energia, joka voi olla eritt\u00e4in vaarallista v\u00e4\u00e4rin k\u00e4siteltyn\u00e4. Kokeita tarkkaillessa on t\u00e4rke\u00e4\u00e4 <b>pit\u00e4\u00e4 turvallinen et\u00e4isyys<\/b>.<\/p>\n<div class=\"g-ytsubscribe\" data-channelid=\"UCBoF1yPvFnXnSJ_Xe5AmXcw\" data-layout=\"full\" data-count=\"default\"><\/div>\n<h3>Yhteydenotto ja tilaukset<\/h3>\n<p>Tee tieteen ihmeist\u00e4 ja hauskuudesta entist\u00e4 l\u00e4hemp\u00e4\u00e4 arkea! Sivustolta l\u00f6yd\u00e4t helposti teht\u00e4vi\u00e4 kotikokeita ja niiden vinkkej\u00e4 selke\u00e4sti selitettyn\u00e4. Kokeile rohkeasti etsi\u00e4 lis\u00e4\u00e4 tietoa!<\/p>\n<p>\u30fbTieteen ideakokoelma on nyt my\u00f6s kirjana. Lis\u00e4tietoja <a href=\"https:\/\/amzn.to\/42PMCEL\">t\u00e4st\u00e4<\/a><br \/>\n\u30fbKuwako Ken -tekij\u00e4st\u00e4 lis\u00e4tietoja <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">t\u00e4st\u00e4<\/a><br \/>\n\u30fbTilausty\u00f6t (kirjoitukset, luennot, kokeilutunnit, TV-yhteisty\u00f6t jne.) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4st\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbP\u00e4ivityksi\u00e4 l\u00f6yd\u00e4t <a href=\"https:\/\/x.com\/kuwako\">X:ss\u00e4<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/www.youtube.com\/user\/kkuwako\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35048\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/3d9640dad7bc5538e76f92da1966ee19.jpg\" alt=\"\" width=\"30\" height=\"21\" \/><\/a><a href=\"https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1\">Science idea channel<\/a> julkaisee kokeiluvideoita!<\/p>\n<h3>\uff16\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=64043\">\u30ec\u30e2\u30f3\u3084\u30aa\u30ec\u30f3\u30b8\u3067\u98a8\u8239\u3092\u5272\u308d\u3046\uff01\u30a4\u30f3\u30d1\u30af\u30c8\u304c\u629c\u7fa4\u306e\u30ea\u30e2\u30cd\u30f3\u98a8\u8239\u306e\u5b9f\u9a13<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone  wp-image-64045\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-01-4.45.24.jpeg\" alt=\"\" width=\"406\" height=\"349\" \/><\/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>\uff16\u6708\uff13\u65e5\uff08\u6c34\uff0920:30\u301c\u3000\u300c<a href=\"https:\/\/phys-edu.net\/wp\/?p=63950\"><wbr \/>\u30d0\u30ab\u30ea\u30ba\u30e0\u306e\u3061\u3087\u3063\u3068\u30d0\u30ab\u308a\u30cf\u30ab\u3063\u3066\u307f\u305f\uff01<\/a>\u300d\uff08\u30c6\u30ec\u30d3\u6771\u4eac\uff09\u3092\u79d1\u5b66\u76e3\u4fee\u30fb\u51fa\u6f14\u3057\u307e\u3059\u3002\u30c6\u30fc\u30de\u306f\u300c<wbr \/>\u305d\u3070\u306e\u51fa\u524d\u306f\u4f55\u4eba\u524d\u307e\u3067\u904b\u3079\u308b\u306e\u304b\u3001\u9650\u754c\u3092\u6e2c\u3063\u3066\u307f\u305f\u300d\u3067\u3059\u3002\u3000<\/li>\r\n<li>\uff16\u6708\uff14\u65e5(\u6728)\u30007:00\u301c\u3000\u300c<a href=\"https:\/\/www.ntv.co.jp\/toppa\/\">THE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb<\/a>\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306b\u3064\u3044\u3066\u79d1\u5b66\u76e3\u4fee\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=63530\">\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d<\/a>\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=63067\">\u516c\u958b\u7814\u7a76\u4f1a\u300c\u8131\u4f5c\u696d\u5316\uff01\u30c7\u30b8\u30bf\u30eb\u5316\u3068\u6bb5\u968e\u7684\u6307\u5c0e\u3067\u5b9f\u73fe\u3059\u308b \u30aa\u30fc\u30e0\u306e\u6cd5\u5247\u306e\u63a2\u7a76\u300d<\/a><\/li>\r\n<li>\uff16\u670828\u65e5\uff08\u65e5\uff09\u3000<a href=\"https:\/\/www.davincimasters.jp\">\u30c0\u30d3\u30f3\u30c1\u30de\u30b9\u30bf\u30fc\u30ba\uff20\u662d\u548c\u5973\u5b50<\/a><\/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>\u00a0\u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n<p>&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Olen tiedevalmentaja Kuwako Ken. Joka p\u00e4iv\u00e4 on kokeilu. Pime\u00e4ss\u00e4 huoneessa lasiputki hohtaa kevyesti. Sinist\u00e4, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":37195,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_sitemap_exclude":false,"_sitemap_priority":"","_sitemap_frequency":"","sns_share_botton_hide":"","vkExUnit_sns_title":"","vkexunit_cta_each_option":"","_lightning_design_setting":{"layout":"default"},"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1630],"tags":[],"class_list":["post-64564","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\/2021\/01\/5a131638d6e8f573d9084ac0e4b0868d.jpg","jetpack-related-posts":[{"id":58660,"url":"https:\/\/phys-edu.net\/wp\/?p=58660&lang=fi","url_meta":{"origin":64564,"position":0},"title":"Ravintoketjusimulaatio! Kun karhut katoavat, katoavatko my\u00f6s kasvit!? Ekosysteemin mysteeri (Scratch)","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670810\u65e5","format":false,"excerpt":"Olen tiedevalmentaja 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\/2024\/07\/21fb9d231d901b1f74f862dbed1d88a4.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/07\/21fb9d231d901b1f74f862dbed1d88a4.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/07\/21fb9d231d901b1f74f862dbed1d88a4.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/07\/21fb9d231d901b1f74f862dbed1d88a4.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":52221,"url":"https:\/\/phys-edu.net\/wp\/?p=52221&lang=fi","url_meta":{"origin":64564,"position":1},"title":"Koe tiede k\u00e4mmenell\u00e4si! Verisuonten k\u00e4tkem\u00e4 \u201dtakaiskuventtiilin\u201d salaisuus (laskimoventtiili)","author":"\u6851\u5b50 \u7814","date":"2025\u5e749\u670814\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. 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\/03\/5b91b492949018f9429d9d1c39c274e0.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/5b91b492949018f9429d9d1c39c274e0.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/5b91b492949018f9429d9d1c39c274e0.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/03\/5b91b492949018f9429d9d1c39c274e0.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":61064,"url":"https:\/\/phys-edu.net\/wp\/?p=61064&lang=fi","url_meta":{"origin":64564,"position":2},"title":"Muuttuuko maailma, kun n\u00e4k\u00f6kulma vaihtuu? Py\u00f6riv\u00e4 kamera tallensi \u201ckeskipakovoiman\u201d ratkaisevan hetken","author":"\u6851\u5b50 \u7814","date":"2026\u5e743\u67083\u65e5","format":false,"excerpt":"Tervehdys! Olen Ken Kuwako, tiedevalmentajasi. Jok\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\/07\/08ecb26584b7af7d470528efdfbb2217.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/08ecb26584b7af7d470528efdfbb2217.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/08ecb26584b7af7d470528efdfbb2217.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/08ecb26584b7af7d470528efdfbb2217.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/07\/08ecb26584b7af7d470528efdfbb2217.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":55400,"url":"https:\/\/phys-edu.net\/wp\/?p=55400&lang=fi","url_meta":{"origin":64564,"position":3},"title":"Voikukka ei ole se milt\u00e4 n\u00e4ytt\u00e4\u00e4! 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