{"id":67709,"date":"2026-09-22T05:35:01","date_gmt":"2026-09-21T20:35:01","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=67709"},"modified":"2026-09-22T05:35:01","modified_gmt":"2026-09-21T20:35:01","slug":"miksi-keho-pyorii-vastakkaiseen-suuntaan-pyorivan-tuolin-kokeella-fysiikan-mysteerin-jaljilla-liikemaaramomentin-sailymislaki","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=67709&lang=fi","title":{"rendered":"Miksi keho py\u00f6rii vastakkaiseen suuntaan? Py\u00f6riv\u00e4n tuolin kokeella fysiikan mysteerin j\u00e4ljill\u00e4 (liikem\u00e4\u00e4r\u00e4momentin s\u00e4ilymislaki)"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen tiedekouluttaja Ken Kuwako. Joka p\u00e4iv\u00e4 on kokeilup\u00e4iv\u00e4.<\/strong><\/span><\/p>\n<h3>Outo fysiikan ilmi\u00f6, jonka voit kokea vain istumalla py\u00f6riv\u00e4ll\u00e4 tuolilla<\/h3>\n<p>Jos kotonasi on juuri nyt py\u00f6riv\u00e4 tuoli, nouse hetkeksi yl\u00f6s ja kokeile t\u00e4t\u00e4. Seiso tuolin p\u00e4\u00e4ll\u00e4 ja py\u00f6r\u00e4yt\u00e4 molempia k\u00e4si\u00e4si suurella liikkeell\u00e4 kuvan punaisten nuolten suuntaan eli vastap\u00e4iv\u00e4\u00e4n. Mit\u00e4 luulet tapahtuvan kehollesi? Useimmat vastaavat: \u201dKehokin alkaa py\u00f6ri\u00e4.\u201d<\/p>\n<p>Mutta t\u00e4ss\u00e4 tulee kysymys: py\u00f6riik\u00f6 kehosi vastap\u00e4iv\u00e4\u00e4n vai my\u00f6t\u00e4p\u00e4iv\u00e4\u00e4n?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67693 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.07.01.jpeg\" alt=\"\" width=\"319\" height=\"374\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.07.01.jpeg 978w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.07.01-256x300.jpeg 256w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.07.01-874x1024.jpeg 874w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.07.01-768x900.jpeg 768w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\" \/><\/p>\n<h3>Kehon liike yll\u00e4tt\u00e4\u00e4 ennakko-odotukset<\/h3>\n<p>Kun kokeilet t\u00e4t\u00e4 k\u00e4yt\u00e4nn\u00f6ss\u00e4, tapahtuu jotain yll\u00e4tt\u00e4v\u00e4\u00e4: kehosi alkaa py\u00f6ri\u00e4 k\u00e4siisi n\u00e4hden vastakkaiseen suuntaan eli vastap\u00e4iv\u00e4\u00e4n.<\/p>\n<p>https:\/\/youtu.be\/\\_TBMMb6YMUc<\/p>\n<p><a href=\"https:\/\/youtu.be\/_TBMMb6YMUc\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67694 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54.jpeg\" alt=\"\" width=\"549\" height=\"221\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54.jpeg 1998w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54-300x121.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54-1024x412.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54-768x309.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54-1536x618.jpeg 1536w\" sizes=\"auto, (max-width: 549px) 100vw, 549px\" \/><\/a><\/p>\n<p>Vaikka liikutat k\u00e4si\u00e4si my\u00f6t\u00e4p\u00e4iv\u00e4\u00e4n, kehosi py\u00f6rii vastakkaiseen suuntaan. T\u00e4m\u00e4 yll\u00e4tt\u00e4v\u00e4 tulos saa monen varmasti spontaanisti ihmettelem\u00e4\u00e4n: \u201dH\u00e4h?\u201d<\/p>\n<p>Sama ilmi\u00f6 toimii my\u00f6s py\u00f6riv\u00e4ll\u00e4 tuolilla!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67695 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.09.03.jpeg\" alt=\"\" width=\"349\" height=\"231\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.09.03.jpeg 1736w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.09.03-300x199.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.09.03-1024x678.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.09.03-768x509.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.09.03-1536x1018.jpeg 1536w\" sizes=\"auto, (max-width: 349px) 100vw, 349px\" \/><\/p>\n<p>T\u00e4m\u00e4 ilmi\u00f6 muistuttaa hyvin paljon sit\u00e4, mit\u00e4 tapahtuu, kun heit\u00e4t pallon veneess\u00e4: vene liikkuu vastakkaiseen suuntaan kuin mihin pallo heitet\u00e4\u00e4n. Kyseess\u00e4 on siis pohjimmiltaan samaan joukkoon kuuluva ilmi\u00f6 kuin <b>Newtonin kolmas laki eli voiman ja vastavoiman laki<\/b>.<\/p>\n<p>Tehd\u00e4\u00e4n seuraavaksi pieni arvoitus. Kun seisot py\u00f6riv\u00e4ll\u00e4 alustalla ja kallistat hyrr\u00e4py\u00f6r\u00e4\u00e4 kuvan mukaisesti pystyasennosta vaaka-asentoon, mihin suuntaan kehosi alkaa py\u00f6ri\u00e4? Mietip\u00e4 t\u00e4t\u00e4kin kulmaliikem\u00e4\u00e4r\u00e4n avulla.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67697\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.15.21.jpeg\" alt=\"\" width=\"1212\" height=\"524\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.15.21.jpeg 1212w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.15.21-300x130.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.15.21-1024x443.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.15.21-768x332.jpeg 768w\" sizes=\"auto, (max-width: 1212px) 100vw, 1212px\" \/><\/p>\n<p>Vastaus l\u00f6ytyy t\u00e4st\u00e4.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30b3\u30de\u306f\u306a\u305c\u5012\u308c\u306a\u3044\uff1f\u30b8\u30e3\u30a4\u30ed\u30db\u30a4\u30fc\u30eb\u3067\u4f53\u611f\u3059\u308b\u56de\u8ee2\u306e\u4e0d\u601d\u8b70\uff08\u6b73\u5dee\u904b\u52d5\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/Zg6xfjmoCGs?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p>Kun kokeilet itse, huomaat, ett\u00e4 mit\u00e4 enemm\u00e4n kallistat hyrr\u00e4py\u00f6r\u00e4\u00e4, sit\u00e4 enemm\u00e4n kehosi py\u00f6rii vastakkaiseen suuntaan kuin hyrr\u00e4py\u00f6r\u00e4.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-67696\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.14.28.jpeg\" alt=\"\" width=\"1222\" height=\"514\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.14.28.jpeg 1222w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.14.28-300x126.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.14.28-1024x431.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.14.28-768x323.jpeg 768w\" sizes=\"auto, (max-width: 1222px) 100vw, 1222px\" \/><\/p>\n<p>T\u00e4m\u00e4nkin voi selitt\u00e4\u00e4 kulmaliikem\u00e4\u00e4r\u00e4n s\u00e4ilymisen lailla. Aluksi vaakasuunnassa ei ole py\u00f6rimist\u00e4, mutta kun kallistat hyrr\u00e4py\u00f6r\u00e4\u00e4, syntyy punaisen nuolen suuntainen py\u00f6rimisliike. Keho alkaa py\u00f6ri\u00e4 suuntaan, joka kumoaa t\u00e4m\u00e4n py\u00f6rimisliikkeen.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67698 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.17.00.jpeg\" alt=\"\" width=\"410\" height=\"383\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.17.00.jpeg 540w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.17.00-300x280.jpeg 300w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/p>\n<h3>Kulmamomentin s\u00e4ilymislaki on avain ilmi\u00f6n ymm\u00e4rt\u00e4miseen<\/h3>\n<p>T\u00e4m\u00e4n erikoisen ilmi\u00f6n selitt\u00e4\u00e4 <b>kulmaliikem\u00e4\u00e4r\u00e4n s\u00e4ilymislaki<\/b>. Kun seisot py\u00f6riv\u00e4ll\u00e4 tuolilla, koko kehosi kulmaliikem\u00e4\u00e4r\u00e4 on aluksi nolla. Toisin sanoen mik\u00e4\u00e4n osa kehostasi ei py\u00f6ri.<\/p>\n<p>Mutta kun py\u00f6rit\u00e4t k\u00e4si\u00e4si voimakkaasti my\u00f6t\u00e4p\u00e4iv\u00e4\u00e4n, k\u00e4sien liike synnytt\u00e4\u00e4 uutta my\u00f6t\u00e4p\u00e4iv\u00e4ist\u00e4 <b>kulmaliikem\u00e4\u00e4r\u00e4\u00e4<\/b>. Jos kehoon ei kohdistu ulkopuolelta voimaa tai v\u00e4\u00e4nt\u00f6momenttia, koko j\u00e4rjestelm\u00e4n kulmaliikem\u00e4\u00e4r\u00e4n summa ei kuitenkaan muutu. Sen on pysytt\u00e4v\u00e4 nollana. T\u00e4t\u00e4 kutsutaan kulmaliikem\u00e4\u00e4r\u00e4n s\u00e4ilymislaiksi.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67694 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54.jpeg\" alt=\"\" width=\"549\" height=\"221\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54.jpeg 1998w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54-300x121.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54-1024x412.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54-768x309.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.08.54-1536x618.jpeg 1536w\" sizes=\"auto, (max-width: 549px) 100vw, 549px\" \/><\/p>\n<p>Mit\u00e4 keho sitten tekee? Se alkaa tuottaa vastakkaiseen suuntaan eli vastap\u00e4iv\u00e4\u00e4n suuntautuvaa kulmaliikem\u00e4\u00e4r\u00e4\u00e4, joka juuri kumoaa k\u00e4sien synnytt\u00e4m\u00e4n my\u00f6t\u00e4p\u00e4iv\u00e4isen kulmaliikem\u00e4\u00e4r\u00e4n. T\u00e4m\u00e4n seurauksena vartalo py\u00f6r\u00e4ht\u00e4\u00e4 vastap\u00e4iv\u00e4\u00e4n.<\/p>\n<p>On aivan kuin keho reagoisi automaattisesti: \u201dT\u00e4m\u00e4 pit\u00e4\u00e4 tasapainottaa!\u201d Fysiikassa t\u00e4llaiset yll\u00e4tt\u00e4v\u00e4t ja samalla yksinkertaiset mekanismit ovat todella kiehtovia.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-67698 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.17.00.jpeg\" alt=\"\" width=\"410\" height=\"383\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.17.00.jpeg 540w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-22-5.17.00-300x280.jpeg 300w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/p>\n<p>Kokeile t\u00e4t\u00e4 ihmeess\u00e4 kotona py\u00f6riv\u00e4ll\u00e4 tuolilla tai py\u00f6riv\u00e4ll\u00e4 alustalla. Kun muutat k\u00e4sien liikett\u00e4 ja nopeutta, my\u00f6s kehon py\u00f6rimisliike muuttuu. Yksinkertaisesta kokeesta voi l\u00f6yty\u00e4 yll\u00e4tt\u00e4v\u00e4n paljon tutkittavaa!<\/p>\n<h3>Kun ilmi\u00f6 laajennetaan kolmeen ulottuvuuteen, p\u00e4\u00e4st\u00e4\u00e4n hyrr\u00e4vaikutukseen<\/h3>\n<p>Edell\u00e4 esitelty ilmi\u00f6 on tavallaan kaksiulotteinen kulmaliikem\u00e4\u00e4r\u00e4n s\u00e4ilymisen koe. Kun sama ajatus laajennetaan kolmiulotteiseen maailmaan, p\u00e4\u00e4dymme kuuluisaan <b>hyrr\u00e4vaikutukseen<\/b> ja <b>prekessioon<\/b>.<\/p>\n<p>Prekessiolla tarkoitetaan tuttua liikett\u00e4, jossa py\u00f6riv\u00e4n hyrr\u00e4n akseli n\u00e4ytt\u00e4\u00e4 huojuvan hitaasti ympyr\u00e4n muotoista rataa samalla, kun hyrr\u00e4 on ik\u00e4\u00e4n kuin kaatumaisillaan.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30b3\u30de\u306e\u300c\u6b73\u5dee\u904b\u52d5\u300d\u3092\u89b3\u5bdf\u3057\u3066\u307f\u3088\u3046\uff01\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/cGVxKZ2mUXk?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>Ilmi\u00f6 syntyy siit\u00e4, ett\u00e4 py\u00f6riv\u00e4n kappaleen kulmaliikem\u00e4\u00e4r\u00e4 ja ulkopuolelta vaikuttava voima, useimmiten painovoima, vaikuttavat toisiinsa. My\u00f6s Maan py\u00f6rimisakselin eritt\u00e4in hidas suunnan muuttuminen perustuu itse asiassa samaan periaatteeseen.<\/p>\n<p>Kun pid\u00e4t hyrr\u00e4py\u00f6r\u00e4\u00e4 k\u00e4dess\u00e4si py\u00f6riv\u00e4n tuolin p\u00e4\u00e4ll\u00e4 ja liikutat sit\u00e4 py\u00f6riv\u00e4n alustan ymp\u00e4rill\u00e4, voit tuntea k\u00e4siss\u00e4si ja kehossasi v\u00e4littyv\u00e4t erikoiset voimat. N\u00e4in prekession toimintaperiaatteen voi todella kokea oman kehon kautta.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u6b73\u5dee\u904b\u52d5\u3092\u30b8\u30e3\u30a4\u30ed\u30db\u30a4\u30fc\u30eb\u3067\u4f53\u611f\uff01\uff08\u30b8\u30e3\u30a4\u30ed\u52b9\u679c\u30fb\u6b73\u5dee\u904b\u52d5\uff09\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/4KHCq2tgkf8?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>T\u00e4ss\u00e4 n\u00e4et, mit\u00e4 tapahtuu, kun hyrr\u00e4py\u00f6r\u00e4 ripustetaan narusta. Painovoima pyrkii kaatamaan hyrr\u00e4n, mutta sen seurauksena syntyv\u00e4 prekessioliike saa aikaan py\u00f6rimist\u00e4 aivan toiseen suuntaan. Juuri t\u00e4m\u00e4 tekee ilmi\u00f6st\u00e4 niin kiinnostavan.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30b8\u30e3\u30a4\u30ed\u30db\u30a4\u30fc\u30eb\u3067\u4f53\u611f\u3059\u308b\u56de\u8ee2\u306e\u4e0d\u601d\u8b70\uff08\u30b8\u30e3\u30a4\u30ed\u52b9\u679c\uff09\u3000\u30ca\u30ea\u30ab\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/XIzECbwTlHo?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>Py\u00f6riv\u00e4ll\u00e4 tuolilla tehdyst\u00e4 yksinkertaisesta kokeesta aina avaruuden mittakaavan liikelakeihin asti fysiikka yhdist\u00e4\u00e4 n\u00e4enn\u00e4isesti aivan erilaiset ilmi\u00f6t yhden ja saman periaatteen avulla. Toivottavasti p\u00e4\u00e4set itse kokemaan, kuinka kiehtovaa fysiikka voi olla!<\/p>\n<h3>Yhteydenotot ja yhteisty\u00f6pyynn\u00f6t<\/h3>\n<p>Tutustutaan tieteen ihmeisiin ja hauskuuteen entist\u00e4 l\u00e4heisemmin! Olen koonnut sivustolle helposti ymm\u00e4rrett\u00e4vi\u00e4 ja hauskoja tiedekokeita, joita voi tehd\u00e4 kotona, sek\u00e4 vinkkej\u00e4 niiden toteuttamiseen. Tutustu sivustoon ja kokeile erilaisia hakuja!<\/p>\n<p>\u30fbScience Notebook -sivuston sis\u00e4lt\u00f6\u00e4 on koottu my\u00f6s kirjaksi. Lis\u00e4tietoja l\u00f6yd\u00e4t <a href=\"[https:\/\/amzn.to\/42PMCEL](https:\/\/amzn.to\/42PMCEL)\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbTietoa sivuston yll\u00e4pit\u00e4j\u00e4st\u00e4 Ken Kuwakosta l\u00f6yd\u00e4t <a href=\"[https:\/\/phys-edu.net\/wp\/?page\\_id=37](https:\/\/phys-edu.net\/wp\/?page_id=37)\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbErilaiset yhteisty\u00f6- ja toimeksiantopyynn\u00f6t (kirjoittaminen, luennot, tiedety\u00f6pajat, TV-ohjelmien tieteellinen valvonta ja esiintyminen jne.) l\u00f6yd\u00e4t <a href=\"[https:\/\/phys-edu.net\/wp\/?page\\_id=188](https:\/\/phys-edu.net\/wp\/?page_id=188)\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbUusimmat artikkelit ja p\u00e4ivitykset l\u00f6yd\u00e4t <a href=\"[https:\/\/x.com\/kuwako](https:\/\/x.com\/kuwako)\">X:st\u00e4<\/a>!<\/span><\/p>\n<p style=\"text-align: center;\"><a href=\"[https:\/\/www.youtube.com\/user\/kkuwako?sub\\_confirmation=1](https:\/\/www.youtube.com\/user\/kkuwako?sub_confirmation=1)\">Science Notebook -kanavalla<\/a> julkaisen tiedekokeisiin liittyvi\u00e4 videoita!<\/p>\n<h3>\uff19\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=23985\">\u7d19\u30b3\u30c3\u30d7\u3000\u30b8\u30e3\u30a4\u30ed\u30ed\u30b1\u30c3\u30c8\u3092\u4f5c\u308d\u3046\uff01<\/a><\/p>\r\n<p style=\"text-align: center;\"><img class=\"alignnone wp-image-67257\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-09-07-15.02.37.jpeg\" alt=\"\" width=\"229\" height=\"226\" \/><\/p>\r\n\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 \t<li>\uff19\u670825\u65e5\uff08\u91d1\uff0921:00\u301c\u3000<a href=\"https:\/\/bangumi.org\/tv_events\/AmHQQg-w0AM?overwrite_area=23\">\u304b\u307e\u3044\u305f\u3061\u306e\u77ac\u9593\u56de\u7b54\uff01<\/a>\u306b\u3066\u3001\u79d1\u5b66\u76e3\u4fee\u3092\u884c\u3044\u307e\u3057\u305f\u3002<\/li>\r\n \t<li>\uff11\uff10\u6708\uff11\uff10\u65e5\uff08\u571f\uff0911:15~12:00\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=66205\">\u5343\u8449\u5e02\u79d1\u5b66\u30d5\u30a7\u30b9\u30bf2026\u300c\u6851\u5b50\u5148\u751f\u306e\u56de\u8ee2\u79d1\u5b66\u30b7\u30e7\u30fc\u300d\u306b\u3066\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u3092\u884c\u3044\u307e\u3059<\/a>\u3002\r\n<img class=\"alignnone wp-image-66207 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/%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%88-2026-08-05-5.24.40.jpeg\" sizes=\"(max-width: 419px) 100vw, 419px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40.jpeg 1578w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-300x214.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-1024x731.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-768x548.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/08\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-08-05-5.24.40-1536x1096.jpeg 1536w\" alt=\"\" width=\"419\" height=\"299\" \/><\/li>\r\n \t<li>12\u670826\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=64825\">\u30ca\u30ea\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\uff08\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\uff09\u958b\u50ac<\/a><\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n \t<li>\u300e<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\">\u9ad8\u6821\u5165\u8a66 \u5206\u89e3\u554f\u984c\u96c6 \u7406\u79d1<\/a>\u300f\uff08\u5b66\u7814\uff09\u2026\u96e3\u3057\u3044\u554f\u984c\u3082\u5c0f\u3055\u306a\u554f\u984c\u306b\u5206\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305d\u3093\u306a\u5206\u89e3\u306e\u6280\u8853\u304c\u8eab\u306b\u3064\u304f\u3088\u3046\u306b\u6df1\u304f\u95a2\u308f\u308a\u3092\u6301\u3063\u3066\u4f5c\u308a\u307e\u3057\u305f\u3002\r\n<a href=\"https:\/\/phys-edu.net\/wp\/?p=64462\"><img class=\"alignnone wp-image-65097 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-04-8.40.17.jpeg\" alt=\"\" width=\"172\" height=\"244\" \/><\/a>\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\r\n<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\" \/><\/strong><\/li>\r\n \t<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\r\n<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;\">\u3010\u65e5\u672c\u8a9e\u3011<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>\u3000\u3010\u82f1\u8a9e\u3011<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><\/p>\r\n\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n \t<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 \t<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 \t<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 \t<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 \t<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 \t<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 \t<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>","protected":false},"excerpt":{"rendered":"<p>Olen tiedekouluttaja Ken Kuwako. Joka p\u00e4iv\u00e4 on kokeilup\u00e4iv\u00e4. Outo fysiikan ilmi\u00f6, jonka voit kokea vain istuma [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":67693,"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-67709","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category--fi"],"jetpack-related-posts":[{"id":67408,"url":"https:\/\/phys-edu.net\/wp\/?p=67408&lang=fi","url_meta":{"origin":67709,"position":0},"title":"Miksi hyrr\u00e4 ei kaadu? Py\u00f6rimisen mysteeri gyroskoopin avulla (gyroskooppinen efekti ja prekessio)","author":"\u6851\u5b50 \u7814","date":"2026\u5e749\u670813\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Joka p\u00e4iv\u00e4 on kok\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/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%88-2026-09-13-4.46.57.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/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%88-2026-09-13-4.46.57.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/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%88-2026-09-13-4.46.57.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/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%88-2026-09-13-4.46.57.jpeg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/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%88-2026-09-13-4.46.57.jpeg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/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%88-2026-09-13-4.46.57.jpeg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":64003,"url":"https:\/\/phys-edu.net\/wp\/?p=64003&lang=fi","url_meta":{"origin":67709,"position":1},"title":"Py\u00f6r\u00e4n kaatumisen salaisuus piilee avaruudessa! Opi presessiosta maapallopy\u00f6r\u00e4n avulla","author":"\u6851\u5b50 \u7814","date":"2026\u5e745\u670831\u65e5","format":false,"excerpt":"T\u00e4ss\u00e4 puhuu Science Trainer Ken Kuwako. Jokainen p\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1630&lang=fi"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-31-5.13.29.jpeg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-31-5.13.29.jpeg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-31-5.13.29.jpeg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/05\/%E3%82%B9%E3%82%AF%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%83%E3%83%88-2026-05-31-5.13.29.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":67277,"url":"https:\/\/phys-edu.net\/wp\/?p=67277&lang=fi","url_meta":{"origin":67709,"position":2},"title":"Paperimukin gyrorakettti \u2013 koe gyroskooppisen ilmi\u00f6n h\u00e4mm\u00e4stytt\u00e4v\u00e4 voima! Syv\u00e4llinen matka tiedek\u00e4sit\u00f6iden maailmaan","author":"\u6851\u5b50 \u7814","date":"2026\u5e749\u67088\u65e5","format":false,"excerpt":"Olen tiedekouluttaja Ken Kuwako. Minulle jokainen \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%88-2026-09-07-15.02.37.jpeg?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%88-2026-09-07-15.02.37.jpeg?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%88-2026-09-07-15.02.37.jpeg?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%88-2026-09-07-15.02.37.jpeg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":60976,"url":"https:\/\/phys-edu.net\/wp\/?p=60976&lang=fi","url_meta":{"origin":67709,"position":3},"title":"Mik\u00e4 on se voima, jonka tunnet kahvikupissa? 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