{"id":52243,"date":"2025-09-15T05:12:50","date_gmt":"2025-09-14T20:12:50","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=52243"},"modified":"2025-09-15T05:12:50","modified_gmt":"2025-09-14T20:12:50","slug":"koe-150-000-volttia-enemman-kuin-pikachu-van-de-graaff-generaattorin-hammastyttavat-purkaukset","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=52243&lang=fi","title":{"rendered":"Koe 150 000 volttia \u2013 enemm\u00e4n kuin Pikachu! Van de Graaff -generaattorin h\u00e4mm\u00e4stytt\u00e4v\u00e4t purkaukset"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Olen tiedekouluttaja Ken Kuwako! Tervetuloa kanssani nauttimaan tieteest\u00e4 t\u00e4ll\u00e4 sivustolla.<\/strong><\/span><\/p>\n<p>Oletko kokenut kuivana talvip\u00e4iv\u00e4n\u00e4 sen hetken, kun kosket ovenkahvaa ja ilmaan iskee &#8220;PAM!&#8221;-kipin\u00e4, saaden sinut p\u00e4\u00e4st\u00e4m\u00e4\u00e4n pienen hihkaisun? Tuo pieni, mutta ehdottomasti tuntuva &#8220;staattinen s\u00e4hk\u00f6&#8221; -ilmi\u00f6 liittyy yll\u00e4tt\u00e4v\u00e4n tiiviisti er\u00e4\u00e4n tunnetun hahmon erikoisiskuun.<\/p>\n<p>Kyll\u00e4, kyseess\u00e4 on Pok\u00e9monin Pikachun k\u00e4ytt\u00e4m\u00e4 &#8220;100 000 volttia&#8221; &#x26a1;!<\/p>\n<p>Mit\u00e4 jos tuo ovenkahvan &#8220;pamahdus&#8221; k\u00e4tkisi sis\u00e4\u00e4ns\u00e4 voiman, joka on suurempi kuin Pikachun isku&#8230;? T\u00e4n\u00e4\u00e4n johdatan teid\u00e4t t\u00e4h\u00e4n s\u00e4hk\u00f6iseen ja hieman kipuisaan (lol) staattisen s\u00e4hk\u00f6n syv\u00e4\u00e4n ja suurenmoiseen maailmaan!<\/p>\n<p>Pikachu ylitetty!? 150 000 voltin jys\u00e4ys&#x26a1;<\/p>\n<h3 data-pm-slice=\"1 1 []\">Staattisen s\u00e4hk\u00f6n generaattori! Van de Graaffin generaattori!<\/h3>\n<p>Pikachun &#8220;100 000 volttia&#8221; on \u00e4\u00e4rimm\u00e4isen kuuluisa isku, mutta itse asiassa Narikan valmistaman staattisen s\u00e4hk\u00f6n generaattorin (Van de Graaffin generaattori) tuottama j\u00e4nnite on jopa 150 000 volttia! Aivan, se on enemm\u00e4n kuin Pikachun isku!<\/p>\n<p>Mit\u00e4 luulet tapahtuvan, kun laitat tuon Van de Graaffin generaattorin p\u00e4\u00e4lle ja l\u00e4henn\u00e4t k\u00e4tt\u00e4si? Jopa 10 cm:n p\u00e4\u00e4st\u00e4 silminn\u00e4ht\u00e4v\u00e4 salama sy\u00f6ksyy kohti sormeasi. Olen kuvannut t\u00e4m\u00e4n vaikuttavan n\u00e4yn videolle, joten katsokaa se ehdottomasti!<\/p>\n<p><iframe loading=\"lazy\" title=\"\u30d0\u30c1\uff01\u6050\u6016\u306e\u9759\u96fb\u6c17\u767a\u751f\u88c5\u7f6e\u30d0\u30f3\u30c7\u30b0\u30e9\u30d5\u306e\u4e0d\u601d\u8b70\u3010\u9759\u96fb\u6c17\u5b9f\u9a13\u3011\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/gJhJFFXFCCU?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>Itse asiassa tein t\u00e4m\u00e4n kokeen aiemmin er\u00e4\u00e4ss\u00e4 TV-ohjelmassa n\u00e4yttelij\u00e4 Suzu Hirosen kanssa. Hirose l\u00e4hestyi Van de Graaffin generaattoria varovasti ja koki s\u00e4hk\u00f6purkauksen. (Pieni vinkki on k\u00e4\u00e4nt\u00e4\u00e4 k\u00e4mmenselk\u00e4 generaattoriin p\u00e4in, jotta kipin\u00e4 syntyy helpommin!) <a style=\"font-size: 14px;\" href=\"https:\/\/phys-edu.net\/wp\/?p=34632\">Lue lis\u00e4\u00e4 t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/?p=34678\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-35413 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/72f733c1c9a3c63b97153bf7a70e27f2.jpg\" alt=\"\u30d0\u30f3\u30c7\u30b0\u30e9\u30d5\u3068\u653e\u96fb\u306e\u69d8\u5b50\" width=\"369\" height=\"241\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/72f733c1c9a3c63b97153bf7a70e27f2.jpg 1302w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/72f733c1c9a3c63b97153bf7a70e27f2-300x196.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/72f733c1c9a3c63b97153bf7a70e27f2-1024x670.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/72f733c1c9a3c63b97153bf7a70e27f2-768x503.jpg 768w\" sizes=\"auto, (max-width: 369px) 100vw, 369px\" \/><\/a><\/p>\n<p>Miksi se sattuu? &#8220;S\u00e4hk\u00f6iskun&#8221; todellinen luonne<\/p>\n<h4 data-pm-slice=\"1 1 []\">Kun yritin sammuttaa virrat&#8230; tapahtui jotain viel\u00e4kin hurjempaa!?<\/h4>\n<p>Purkauksen hetkell\u00e4 Van de Graaffin generaattoriin varautunut negatiivinen s\u00e4hk\u00f6 virtaa nopeasti k\u00e4tesi kautta jalkoihisi, mink\u00e4 takia tunnet pienen pist\u00e4v\u00e4n kivun. Mutta miksi se &#8220;sattuu&#8221;?<\/p>\n<p>Kehomme k\u00e4ytt\u00e4\u00e4 normaalisti heikkoja s\u00e4hk\u00f6impulsseja lihasten liikuttamiseen. Aivoista tuleva &#8220;liikuta k\u00e4tt\u00e4si!&#8221; -k\u00e4skykin saavuttaa lihakset hermoja pitkin s\u00e4hk\u00f6isen\u00e4 signaalina. Kun kehoon yht\u00e4kki\u00e4 virtaa Van de Graaffin kaltainen voimakas s\u00e4hk\u00f6, lihakset s\u00e4ik\u00e4ht\u00e4v\u00e4t ja supistuvat tiukasti ilman omaa tahtoamme. T\u00e4m\u00e4 \u00e4killinen lihasten supistuminen on sen &#8220;nyk\u00e4yksen&#8221; ja ep\u00e4miellytt\u00e4v\u00e4n &#8220;kivun&#8221; todellinen syy.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34681 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/de3fbbfacbd5ca5e735eafe4687f24ef.jpg\" alt=\"\u653e\u96fb\u306e\u77ac\u9593\" width=\"256\" height=\"187\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/de3fbbfacbd5ca5e735eafe4687f24ef.jpg 504w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/de3fbbfacbd5ca5e735eafe4687f24ef-300x219.jpg 300w\" sizes=\"auto, (max-width: 256px) 100vw, 256px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34680 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/c55d285aef58959ad1d8b6c5ddb96eba.jpg\" alt=\"\u653e\u96fb\u306e\u5149\" width=\"289\" height=\"244\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/c55d285aef58959ad1d8b6c5ddb96eba.jpg 514w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/c55d285aef58959ad1d8b6c5ddb96eba-300x253.jpg 300w\" sizes=\"auto, (max-width: 289px) 100vw, 289px\" \/><\/p>\n<p>Kun purkauksen valon onnistuu ikuistamaan, se n\u00e4ytt\u00e4\u00e4 t\u00e4lt\u00e4 kauniilta (?) salamalta.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34675 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2587.jpg\" alt=\"\u653e\u96fb\u306e\u69d8\u5b50\u30a2\u30c3\u30d7\" width=\"443\" height=\"246\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2587.jpg 2224w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2587-300x167.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2587-1024x569.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2587-768x426.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2587-1536x853.jpg 1536w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2587-2048x1137.jpg 2048w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/p>\n<p>Ja muuten, kun olin lopettamassa koetta ja yritin sammuttaa virrat, sain j\u00e4lleen voimakkaan &#8220;s\u00e4hk\u00f6iskun&#8221;! Ilmeisesti s\u00e4hk\u00f6\u00e4 oli ker\u00e4\u00e4ntynyt my\u00f6s katkaisimen metalliosaan&#8230; Voi harmi. Tiede on hauskaa, mutta se paljastaa joskus hampaitaan odottamattomalla tavalla (lol).<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34952\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/e5c99f7c39990d096d6011976f2395da.jpg\" alt=\"\u30b9\u30a4\u30c3\u30c1\u3067\u611f\u96fb\" width=\"323\" height=\"347\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/e5c99f7c39990d096d6011976f2395da.jpg 782w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/e5c99f7c39990d096d6011976f2395da-279x300.jpg 279w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/e5c99f7c39990d096d6011976f2395da-768x825.jpg 768w\" sizes=\"auto, (max-width: 323px) 100vw, 323px\" \/><\/p>\n<p>\u3010Tieteellinen pohdinta\u3011 Voiko Pikachun 100 000 voltin isku todella osua?<\/p>\n<h3 data-pm-slice=\"1 1 []\">Kuinka kauas Pikachun 100 000 voltin isku ylt\u00e4\u00e4?<\/h3>\n<p>T\u00e4ss\u00e4 her\u00e4\u00e4kin kysymys. Kuinka kauas Pikachun &#8220;100 000 volttia&#8221; oikeastaan kantaa?<\/p>\n<p>Todellisessa maailmassa s\u00e4hk\u00f6n purkautuminen ilman l\u00e4pi vaatii valtavan m\u00e4\u00e4r\u00e4n energiaa. Nyrkkis\u00e4\u00e4nt\u00f6n\u00e4 on, ett\u00e4 ilman l\u00e4pi purkautuminen 1 cm:n matkalle vaatii noin 30 000 voltin j\u00e4nnitteen.<\/p>\n<p>T\u00e4m\u00e4n perusteella laskettuna Van de Graaffin generaattorimme 150 000 voltin purkauset\u00e4isyys on vain noin 5 cm. Animaatioissa n\u00e4hty kauko-isku on siis fyysisten lakien valossa melko mahdoton. Jos Pikachu noudattaisi todellisuuden fysiikan lakeja, sen pit\u00e4isi p\u00e4\u00e4st\u00e4 l\u00e4hes kosketuset\u00e4isyydelle vastustajaan, jotta isku osuisi. Siin\u00e4 tapauksessa ly\u00f6nti olisi nopeampi&#8230;?<\/p>\n<p>Mutta meid\u00e4n ei pid\u00e4 unohtaa &#8220;virran&#8221; olemassaoloa.<br \/>\nJ\u00e4nnitett\u00e4 verrataan usein &#8220;s\u00e4hk\u00f6n ty\u00f6nt\u00f6voimaan (kosken korkeuteen)&#8221; ja virtaa &#8220;virtaavan s\u00e4hk\u00f6n m\u00e4\u00e4r\u00e4\u00e4n (kosken vesim\u00e4\u00e4r\u00e4\u00e4n)&#8221;.<\/p>\n<p>Staattisella s\u00e4hk\u00f6ll\u00e4 on eritt\u00e4in korkea j\u00e4nnite (korkea koski), mutta virta on \u00e4\u00e4rimm\u00e4isen pieni (pieni vesim\u00e4\u00e4r\u00e4), mink\u00e4 vuoksi se vain pistelee hieman. Kuitenkin kodin pistorasian s\u00e4hk\u00f6n j\u00e4nnite on matala, 100 volttia, mutta virta on suuri, mink\u00e4 vuoksi se on eritt\u00e4in vaarallista. Ehk\u00e4 Pikachun iskun todellinen pelottavuus piilee juuri sen suuressa &#8220;virrassa&#8221;.<\/p>\n<p>Yhteys laboratorion kipin\u00e4n ja taivaalla loistavan &#8220;salaman&#8221; v\u00e4lill\u00e4<\/p>\n<h3 data-pm-slice=\"1 1 []\">Kipin\u00e4purkauksen ja salaman mysteeri<\/h3>\n<p>Kipin\u00e4purkauksen, jonka n\u00e4ytin Van de Graaffin generaattorilla, voi havainnoida jatkuvammin induktiokelalla.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u96f7\u306b\u7d19\u3092\u5f53\u3066\u3066\u307f\u305f\uff01\u8a98\u5c0e\u30b3\u30a4\u30eb\u5371\u967a\u306a\u5b9f\u9a13\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/DZxF3DMXMjA?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>Laboratoriossa kipin\u00e4purkaus ei synny ilman eritt\u00e4in voimakasta 3 miljoonan voltin s\u00e4hk\u00f6kentt\u00e4\u00e4 metri\u00e4 kohti. Kuitenkin luonnon &#8220;salaman&#8221; uskotaan syntyv\u00e4n paljon heikommassa, noin 200 000 voltin kent\u00e4ss\u00e4 metri\u00e4 kohti.<br \/>\nMiksi salama voi purkautua n\u00e4in &#8220;polttoainetehokkaasti&#8221;?<br \/>\nT\u00e4t\u00e4 mysteeri\u00e4 ei ole viel\u00e4 tieteellisesti t\u00e4ysin selvitetty. Yksi vahva teoria on kuitenkin, ett\u00e4 se liittyy avaruudesta tulevaan &#8220;kosmiseen s\u00e4teilyyn&#8221;. Ajatuksena on, ett\u00e4 n\u00e4kym\u00e4t\u00f6n pieni kosminen s\u00e4de t\u00f6rm\u00e4\u00e4 ilmassa oleviin molekyyleihin ja ionisoi ne, luoden s\u00e4hk\u00f6lle &#8220;v\u00e4yl\u00e4n&#8221;, mik\u00e4 mahdollistaa salaman syntymisen paljon matalammalla j\u00e4nnitteell\u00e4 kuin normaalisti.<\/p>\n<p>Eik\u00f6 olekin j\u00e4nnitt\u00e4v\u00e4\u00e4, ett\u00e4 tarina, joka alkoi pienest\u00e4 ovenkahvan kipin\u00e4st\u00e4, johtaa n\u00e4in suurenmoiseen kertomukseen avaruudesta?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-37246 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/08\/bb136680704b7e45058fef745c7fd519-1.jpg\" alt=\"\u96f7\u3068\u5b87\u5b99\u7dda\" width=\"427\" height=\"365\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/08\/bb136680704b7e45058fef745c7fd519-1.jpg 1220w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/08\/bb136680704b7e45058fef745c7fd519-1-300x256.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/08\/bb136680704b7e45058fef745c7fd519-1-1024x875.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/08\/bb136680704b7e45058fef745c7fd519-1-768x656.jpg 768w\" sizes=\"auto, (max-width: 427px) 100vw, 427px\" \/><\/p>\n<p>Muuten, todellisen salaman energia on aivan omaa luokkaansa. <a href=\"https:\/\/ja.wikipedia.org\/wiki\/\u96f7\">Wikipedian<\/a> mukaan salamaniskun j\u00e4nnite voi olla jopa 2 miljoonasta 1 miljardiin volttiin, ja virta 1 000 &#8211; 500 000 ampeeria. Pikachun 100 000 volttia n\u00e4ytt\u00e4\u00e4 naurettavan pienelt\u00e4, kun sit\u00e4 vertaa t\u00e4h\u00e4n luonnonmullistuksen kaltaiseen energiaan!<br \/>\nLeiki staattisella s\u00e4hk\u00f6ll\u00e4 enemm\u00e4n!<br \/>\nVan de Graaffin generaattorilla voit tehd\u00e4 t\u00e4llaisia hauskoja kokeita!<br \/>\nVan de Graaffin generaattorilla voit tehd\u00e4 monia muita mielenkiintoisia kokeita kuin t\u00e4n\u00e4\u00e4n esitellyt. Voit saada hiukset nousemaan pystyyn tai sytytt\u00e4\u00e4 loisteputken hehkumaan&#8230;! Olen tehnyt joitakin n\u00e4ist\u00e4 kokeista TV-ohjelmissa monien artistien, kuten Suzu Hirosen, Ryohei Suzukin, Yasukon ja Chocolate Planet -koomikkoduo kanssa. <a href=\"https:\/\/phys-edu.net\/wp\/?p=34632\">Lue lis\u00e4\u00e4 t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-44403 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg\" sizes=\"auto, (max-width: 360px) 100vw, 360px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d.jpg 1348w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d-300x166.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d-1024x568.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/81e3d18f4fe9c4a1576a8fc1ce7bc74d-768x426.jpg 768w\" alt=\"\u30c6\u30ec\u30d3\u756a\u7d44\u3067\u306e\u5b9f\u9a13\u306e\u69d8\u5b50\" width=\"257\" height=\"143\" \/><\/p>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" title=\"\u201c\u96fb\u6c17\u8cde\u72b6\uff01\u6cb8\u9a30\u30ef\u30fc\u30c9\uff11\uff10\u3067\u5e83\u702c\u3059\u305a\u3055\u3093\u304c\u4f53\u9a13\u3057\u305f\u9759\u96fb\u6c17\u5b9f\u9a13\u6388\u696d\u3010\u307e\u3068\u3081\u3011\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=34632&amp;embed=true#?secret=5FZ5KoqHpj#?secret=JlaHY6Eh81\" width=\"600\" height=\"209\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-scripts\" data-secret=\"JlaHY6Eh81\" data-mce-fragment=\"1\"><\/iframe><\/p>\n<p>\u203bKokeet staattisen s\u00e4hk\u00f6n generaattorilla (Van de Graaffin generaattori) tulee aina suorittaa asiantuntijan valvonnassa. Kokeilkaa varoen. Jos sinulla on staattiseen s\u00e4hk\u00f6\u00f6n liittyvi\u00e4 pyynt\u00f6j\u00e4 (kuten ty\u00f6pajoja, TV-ohjelmien valvontaa tai esiintymisi\u00e4), ota <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">yhteytt\u00e4 t\u00e4\u00e4lt\u00e4<\/a>.<\/p>\n<p>\u3010Erikoisartikkeli\u3011<a href=\"https:\/\/phys-edu.net\/wp\/?p=34487\">Kokeiluja staattisella s\u00e4hk\u00f6ll\u00e4, joihin j\u00e4\u00e4 koukkuun!<\/a><\/p>\n<p><a href=\"https:\/\/phys-edu.net\/wp\/?p=34487\"><img loading=\"lazy\" decoding=\"async\" class=\"lazy alignnone wp-image-34540 aligncenter lazy-loaded\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg\" sizes=\"auto, (max-width: 287px) 100vw, 287px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg 1000w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1-300x225.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1-768x576.jpg 768w\" alt=\"\u9759\u96fb\u6c17\u5b9f\u9a13\u7279\u96c6\" width=\"287\" height=\"215\" data-lazy-type=\"image\" data-lazy-src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/02\/IMG_2511-1.jpg\" \/><\/a><\/p>\n<p>Kyselyt ja pyynn\u00f6t<\/p>\n<p class=\"p1\">Tuo tieteen ihmeet ja hauskuus l\u00e4hemm\u00e4ksi! Olen koonnut t\u00e4h\u00e4n helposti ymm\u00e4rrett\u00e4vi\u00e4 hauskoja tiedekokeita, joita voit tehd\u00e4 kotona, ja vinkkej\u00e4 niiden toteuttamiseen. Kannattaa selata!<br \/>\n\u30fbTietoa yll\u00e4pit\u00e4j\u00e4 Ken Kuwakosta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n\u30fbErilaiset pyynn\u00f6t (kirjoittaminen, luennot, tiedety\u00f6pajat, TV-ohjelmien valvonta ja esiintymiset) <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">t\u00e4\u00e4lt\u00e4<\/a><br \/>\n<span class=\"s2\">\u30fbArtikkelip\u00e4ivityksi\u00e4 jaetaan <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\">Tiedeasiaa-kanavalla<\/a> on lis\u00e4\u00e4 koevideoita!<\/p>\n<h3>\uff15\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p>\u30ad\u30fc\u30f3\u3068\u51b7\u3048\u308b\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\uff01\u6c17\u6e29\u304c\u4e0a\u304c\u3063\u3066\u304f\u308b\u3053\u306e\u6642\u671f\u30fb\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u3092\u4f7f\u3063\u305f\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\u306e\u5b9f\u9a13\u306f\u3044\u304b\u304c\uff1f<\/p>\r\n<p><img class=\"alignnone wp-image-39516 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe.jpg 1406w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-300x168.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-1024x572.jpg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-768x429.jpg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/03\/0618612becc032a60bdda50090ccccbe-320x180.jpg 320w\" alt=\"\" width=\"453\" height=\"253\" \/><\/p>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=39513\">\u6db2\u4f53\u30bc\u30ed\uff01\u30c9\u30e9\u30a4\u30a2\u30a4\u30b9\u304c\u6d88\u3048\u308b\u307e\u3067\u306e\uff13\u6642\u9593\u3092\u79d1\u5b66\u3059\u308b\uff08\u6607\u83ef\u30fb\u51dd\u7d50\u30fb\u7b49\u901f\u5ea6\u76f4\u7dda\u904b\u52d5\uff09<\/a><\/p>\r\n<h3 style=\"text-align: left;\"><span style=\"font-size: medium;\"><b><strong>\u30c6\u30ec\u30d3\u756a\u7d44\u76e3\u4fee\u30fb\u30a4\u30d9\u30f3\u30c8\u7b49\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/span><\/h3>\r\n<ul>\r\n<li>4\u670830\u65e5\uff08\u6728\uff09\u300cTHE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb\u300d\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09\u306e<a href=\"https:\/\/phys-edu.net\/wp\/?p=62906\">\u79d1\u5b66\u76e3\u4fee\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f<\/a>\u3002<\/li>\r\n<li>5\u67088\u65e5\uff08\u91d1\uff09<a href=\"https:\/\/phys-edu.net\/wp\/?p=62629\">\u7406\u79d1\u6559\u80b2\u30cb\u30e5\u30fc\u30b9<\/a>\u3092\u62c5\u5f53\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li>6\u670814\u65e5\uff08\u65e5\uff09\u3000\u5343\u8449\u5927\u5b66\u30a4\u30f3\u30b9\u30bf\u30ec\u30fc\u30b7\u30e7\u30f3\u300c\u63a2\u7a76\u300d\u306b\u3066\u8b1b\u5e2b\u3092\u52d9\u3081\u307e\u3059<\/li>\r\n<li>6\u670826\u65e5\uff08\u91d1\uff09\u3000\u5343\u8449\u5927\u5b66\u306e\u516c\u958b\u7814\u7a76\u4f1a\uff08\u4e2d\u5b66\u7406\u79d1\u306b\u3064\u3044\u3066\u6388\u696d\u516c\u958b\u4e88\u5b9a\uff09<\/li>\r\n<li>7\u670818\u65e5\uff08\u571f\uff09\u3000<a href=\"https:\/\/phys-edu.net\/wp\/?p=60018\">\u6559\u54e1\u5411\u3051\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u300c\u30ca\u30ea\u30ab\u30ab\u30b5\u30a4\u30a8\u30f3\u30b9\u30a2\u30ab\u30c7\u30df\u30fc\u300d\u306e\u8b1b\u5e2b\u3092\u3057\u307e\u3059<\/a>\u3002\u304a\u4f1a\u3044\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\r\n<\/ul>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<li>\u300e\u5927\u4eba\u306e\u305f\u3081\u306e\u9ad8\u6821\u7269\u7406\u5fa9\u7fd2\u5e33\u300f\uff08\u8b1b\u8ac7\u793e\uff09\u2026\u4e00\u822c\u5411\u3051\u306b\u65e5\u5e38\u306e\u7269\u7406\u306b\u3064\u3044\u3066\u516c\u5f0f\u3092\u5143\u306b\u7d10\u89e3\u304d\u307e\u3057\u305f\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=1827\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u3067\u306f\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<strong>\u203b\u5897\u5237\u304c\u304b\u304b\u308a\uff16\u5237\u3068\u306a\u308a\u307e\u3057\u305f\uff082026\/02\/01\uff09<br \/><img class=\"alignnone wp-image-10940 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg\" sizes=\"(max-width: 220px) 100vw, 220px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0-300x262.jpg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2013\/12\/0811159a99f69eeff1a357e3daed84e0.jpg 311w\" alt=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2014-07-05 0.43.51\" width=\"220\" height=\"192\" \/><br \/><\/strong><\/li>\r\n<li>\u300e\u304d\u3081\u308b!\u5171\u901a\u30c6\u30b9\u30c8 \u7269\u7406\u57fa\u790e \u6539\u8a02\u7248\u300f\uff08\u5b66\u7814\uff09\u2026\u3000\u9ad8\u6821\u7269\u7406\u306e\u53c2\u8003\u66f8\u3067\u3059\u3002\u30a4\u30e9\u30b9\u30c8\u3092\u591a\u304f\u3057\u3066\u30a4\u30e1\u30fc\u30b8\u304c\u6301\u3066\u308b\u3088\u3046\u306b\u63cf\u304d\u307e\u3057\u305f\u3002\u6388\u696d\u306b\u3064\u3044\u3066\u3044\u3051\u306a\u3044\u3001\u7269\u7406\u304c\u82e6\u624b\u3001\u305d\u3093\u306a\u751f\u5f92\u306b\u304a\u3059\u3059\u3081\u3067\u3059\u3002<a href=\"https:\/\/phys-edu.net\/wp\/?p=45322\">\u7279\u8a2d\u30b5\u30a4\u30c8<\/a>\u306f\u3053\u3061\u3089\u3002<br \/><img class=\"alignnone wp-image-45718 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg\" sizes=\"(max-width: 184px) 100vw, 184px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c.jpg 756w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/04\/dc1da64a8c8d1422062b4867c0607a1c-300x269.jpg 300w\" alt=\"\" width=\"184\" height=\"165\" \/><\/li>\r\n<\/ul>\r\n<h3><span style=\"text-align: center;\">\u5404\u7a2eSNS\uff08\u66f4\u65b0\u60c5\u5831\u3092\u304a\u5c4a\u3051\uff01\uff09<\/span><\/h3>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/twitter.com\/kuwako\">X(Twitter)<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.instagram.com\/science_seeds\/\">instagram<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.facebook.com\/kuwakolab\/\">Facebook<\/a>\uff08\u65e5\u672c\u8a9e\uff09<\/p>\r\n<p style=\"text-align: center;\"><a style=\"text-align: center;\" href=\"https:\/\/bsky.app\/profile\/kagakunoneta.bsky.social\">BlueSky<\/a><span style=\"text-align: center;\">\uff0f<\/span><a style=\"text-align: center;\" href=\"https:\/\/www.threads.net\/@science_seeds?hl=ja\">Threads<\/a>\uff08\u82f1\u8a9e\uff09<\/p>\r\n<h3 style=\"text-align: center;\"><strong>Explore<\/strong><\/h3>\r\n<ul>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=30764\">\u697d\u3057\u3044\u5b9f\u9a13<\/a>\u2026\u304a\u5b50\u3055\u3093\u3068\u4e00\u7dd2\u306b\u5922\u4e2d\u306b\u306a\u308c\u308b\u30a4\u30c1\u30aa\u30b7\u306e\u79d1\u5b66\u5b9f\u9a13\u3092\u591a\u6570\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u9ad8\u6821\u7269\u7406\u306e\u7406\u89e3\u3092\u6df1\u3081\u308b\u305f\u3081\u306e\u52d5\u753b\u6559\u6750\u3082\u7528\u610f\u3057\u307e\u3057\u305f\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=798\">\u7406\u79d1\u306e\u6559\u6750<\/a>\u2026 \u7406\u79d1\u6559\u5e2b\u3092\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\uff01\u6388\u696d\u306e\u8cea\u3092\u9ad8\u3081\u3001\u6e96\u5099\u3092\u52b9\u7387\u5316\u3059\u308b\u305f\u3081\u306e\u9078\u308a\u3059\u3050\u308a\u306e\u6559\u6750\u3092\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/www.youtube.com\/c\/kkuwako\">Youtube<\/a>\u2026\u79d1\u5b66\u5b9f\u9a13\u7b49\u306e\u52d5\u753b\u3092\u914d\u4fe1\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/music.youtube.com\/playlist?list=PLoK4ZvKN9S2NgpYIochcQs0aL-vrRB_Qw\">\u79d1\u5b66\u30e9\u30b8\u30aa<\/a>\u00a0\u2026\u79d1\u5b66\u30c8\u30d4\u30c3\u30af\u3092\u307b\u307c\u6bce\u65e5\u914d\u4fe1\u4e2d\uff01AI\u6280\u8853\u3092\u99c6\u4f7f\u3057\u3066\u4f5c\u6210\u3057\u305f\u300c\u8033\u3067\u697d\u3057\u3080\u79d1\u5b66\u300d\u3092\u304a\u5c4a\u3051\u3057\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=20940\">\u8b1b\u6f14<\/a>\u00a0\u2026\u5168\u56fd\u5404\u5730\u3067\u5b9f\u9a13\u8b1b\u7fd2\u4f1a\u30fb\u30b5\u30a4\u30a8\u30f3\u30b9\u30b7\u30e7\u30fc\u7b49\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"http:\/\/phys-edu.net\/wp\/?page_id=37\">About<\/a>\u00a0\u2026\u300c\u79d1\u5b66\u306e\u30cd\u30bf\u5e33\u300d\u306e\u30b3\u30f3\u30bb\u30d7\u30c8\u3084\u3001\u904b\u55b6\u8005\u3067\u3042\u308b\u6851\u5b50\u7814\u306e\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\u30fb\u60f3\u3044\u3092\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002<\/li>\r\n<li><a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">\u304a\u554f\u3044\u5408\u308f\u305b<\/a> \u2026\u5b9f\u9a13\u6559\u5ba4\u306e\u3054\u4f9d\u983c\u3001\u57f7\u7b46\u30fb\u8b1b\u6f14\u306e\u76f8\u8ac7\u3001\u79d1\u5b66\u76e3\u4fee\u7b49\u306f\u3053\u3061\u3089\u306e\u30d5\u30a9\u30fc\u30e0\u304b\u3089\u304a\u5bc4\u305b\u304f\u3060\u3055\u3044\u3002<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>Olen tiedekouluttaja Ken Kuwako! Tervetuloa kanssani nauttimaan tieteest\u00e4 t\u00e4ll\u00e4 sivustolla. Oletko kokenut kui [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":47706,"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-52243","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\/2025\/03\/ab71ff6f291d7b1910d7f970e4317fc5.jpg","jetpack-related-posts":[{"id":55428,"url":"https:\/\/phys-edu.net\/wp\/?p=55428&lang=fi","url_meta":{"origin":52243,"position":0},"title":"Laukaise 30 000 volttia! Huippuhienon \u2018S\u00e4hk\u00f6pistoolin\u2019 voima ja salaisuudet","author":"\u6851\u5b50 \u7814","date":"2025\u5e7411\u67085\u65e5","format":false,"excerpt":"Olen Kuwako Ken, 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\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/09\/6d2d6b4157b2dbd1a16d6842ea931dbd.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":54939,"url":"https:\/\/phys-edu.net\/wp\/?p=54939&lang=fi","url_meta":{"origin":52243,"position":1},"title":"Pikachun voittaja! 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