{"id":68937,"date":"2026-10-27T04:46:57","date_gmt":"2026-10-26T19:46:57","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=68937"},"modified":"2026-10-27T04:46:57","modified_gmt":"2026-10-26T19:46:57","slug":"la-magia-cientifica-de-la-induccion-electromagnetica-asi-funcionan-suica-pasmo-y-otras-tarjetas-sin-contacto","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=68937&lang=es","title":{"rendered":"\u00a1La magia cient\u00edfica de la inducci\u00f3n electromagn\u00e9tica! As\u00ed funcionan Suica, PASMO y otras tarjetas sin contacto"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>Soy Ken Kuwako, entrenador cient\u00edfico. Para m\u00ed, cada d\u00eda es un experimento.<\/strong><\/span><\/p>\n<p style=\"text-align: left;\">Seguro que usas a diario las tarjetas de transporte como Suica o PASMO para ir al trabajo, a clase o de compras. \u00a1Son comod\u00edsimas! Pero \u00bfalguna vez te has parado a pensar una cosa?<\/p>\n<p style=\"text-align: left;\">&#8220;\u00bfC\u00f3mo es posible que funcione si no lleva pilas?&#8221;<\/p>\n<p style=\"text-align: left;\">Parece magia, \u00bfverdad? Mi curiosidad cient\u00edfica no me dejaba en paz, as\u00ed que esta vez me he lanzado a lo grande: \u00a1he desmontado una Suica para ver qu\u00e9 hay dentro!<\/p>\n<h3>\u00a1Asom\u00e9monos al coraz\u00f3n de la Suica!<\/h3>\n<p style=\"text-align: left;\">Primero hay que ablandar el duro pl\u00e1stico, as\u00ed que hiervo la Suica un ratito en agua caliente. La idea es debilitar el pegamento de la tarjeta. Cuando me parece que ya est\u00e1 lista, la saco del agua y recorto con cuidado los bordes con unas tijeras. Despu\u00e9s meto un c\u00fater por un lateral y&#8230; \u00a1toma! Para mi sorpresa, se separ\u00f3 en dos mitades limpiamente, con un &#8220;clac&#8221;. \u00a1Y lo que hab\u00eda dentro me dej\u00f3 boquiabierto!<\/p>\n<p style=\"text-align: left;\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-68914 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8_2026-10-22_10_05_40.jpg\" alt=\"\" width=\"311\" height=\"384\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8_2026-10-22_10_05_40.jpg 1196w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8_2026-10-22_10_05_40-243x300.jpg 243w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8_2026-10-22_10_05_40-830x1024.jpg 830w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/09\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8_2026-10-22_10_05_40-768x948.jpg 768w\" sizes=\"auto, (max-width: 311px) 100vw, 311px\" \/> All\u00ed aparecieron un diminuto chip negro y una antena (una bobina) que recorr\u00eda todo el borde de la tarjeta dando una vuelta completa. De pilas, ni rastro. Ese era el secreto de la &#8220;magia&#8221; que hace funcionar la Suica sin bater\u00eda.<\/p>\n<h3>Funciona con electricidad invisible: la magia de la &#8220;inducci\u00f3n electromagn\u00e9tica&#8221;<\/h3>\n<p style=\"text-align: left;\">Esta antena (la bobina) es la clave para descifrar el misterio de la Suica.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-34892 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/b5f53b0d4b05f60de6e9ac747625773f.jpg\" alt=\"\" width=\"451\" height=\"293\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/b5f53b0d4b05f60de6e9ac747625773f.jpg 742w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2019\/05\/b5f53b0d4b05f60de6e9ac747625773f-300x195.jpg 300w\" sizes=\"auto, (max-width: 451px) 100vw, 451px\" \/><\/p>\n<p style=\"text-align: left;\">La palabra clave es &#8220;inducci\u00f3n electromagn\u00e9tica&#8221;. Quiz\u00e1 te suene de las clases de ciencias.<\/p>\n<p style=\"text-align: left;\">Dicho en sencillo: &#8220;cuando cambia el campo magn\u00e9tico (el espacio donde act\u00faa la fuerza de un im\u00e1n) alrededor de una bobina, por la bobina empieza a circular corriente&#8221;. Los torniquetes (los lectores-escritores) emiten un campo magn\u00e9tico invisible. Y no se limita a estar ah\u00ed: \u00a1cambia a una velocidad de v\u00e9rtigo, invirtiendo su orientaci\u00f3n unos 13,56 millones de veces por segundo!<\/p>\n<p style=\"text-align: left;\">Cuando acercas la Suica al torniquete, la bobina del interior de la tarjeta entra en ese campo magn\u00e9tico cambiante. Y entonces, \u00a1zas!, se genera corriente en la bobina. Eso es la &#8220;inducci\u00f3n electromagn\u00e9tica&#8221;. Lo importante es que el campo magn\u00e9tico &#8220;cambia&#8221;: si se quedara quieto, la bobina no producir\u00eda ninguna corriente. Por eso el torniquete no deja de hacerlo variar a toda velocidad.<\/p>\n<p style=\"text-align: left;\">La &#8220;corriente alterna&#8221; que se estudia en clase de ciencias entra aqu\u00ed en acci\u00f3n. Con esa corriente, el chip se despierta y se pone a intercambiar informaci\u00f3n a gran velocidad con el torniquete (consultar el saldo, descontar el importe, etc.). Es decir, la Suica funciona &#8220;tomando prestada&#8221; la electricidad del torniquete. Con raz\u00f3n no necesita pilas.<\/p>\n<p style=\"text-align: left;\">Y encima, no hay que preocuparse de que se le agote la bater\u00eda. Eso s\u00ed, solo recibe energ\u00eda cuando est\u00e1 cerca del torniquete: con este sistema, la tarjeta y el lector solo pueden comunicarse a una distancia de unos pocos cent\u00edmetros hasta unos quince. Ahora se entiende por qu\u00e9 te piden que la &#8220;toques&#8221; contra el lector, \u00bfverdad?<\/p>\n<p style=\"text-align: left;\">Por cierto, la inducci\u00f3n electromagn\u00e9tica fue descubierta en 1831 por el cient\u00edfico brit\u00e1nico Michael Faraday, un hallazgo hist\u00f3rico. Ese gesto que haces cada d\u00eda sin pensarlo al pasar por el torniquete es, en el fondo, fruto de un descubrimiento de hace casi 200 a\u00f1os y una tecnolog\u00eda de \u00faltima generaci\u00f3n. \u00a1Tiene su romanticismo!<\/p>\n<h3>De la tarjeta al m\u00f3vil: la tecnolog\u00eda da el salto<\/h3>\n<p style=\"text-align: left;\">Pues bien, esta maravilla no es exclusiva de las tarjetas. Aunque un poco tarde, hace poco me puse la &#8220;Mobile Suica&#8221; en el iPhone. \u00a1Me encant\u00f3 la comodidad de poder pasar el torniquete solo con el m\u00f3vil, sin tener que llevar la tarjeta encima!<\/p>\n<p style=\"text-align: left;\">Adem\u00e1s, ver el saldo actualizarse en tiempo real cada vez que la uso me parece futurista y emocionante.<\/p>\n<p style=\"text-align: left;\">Claro que existe el riesgo de que se te caiga el m\u00f3vil o se te quede sin bater\u00eda, y entonces la cosa se complica, pero la comodidad lo compensa de sobra. Por un momento pens\u00e9: &#8220;\u00bfNo ser\u00e1 que en el m\u00f3vil no se usa la inducci\u00f3n electromagn\u00e9tica?&#8221;. Pues resulta que es exactamente el mismo principio. Funciones como &#8220;FeliCa&#8221; o &#8220;NFC&#8221;, integradas en el tel\u00e9fono, hacen el papel de la bobina y el chip de la tarjeta y se comunican con el torniquete mediante inducci\u00f3n electromagn\u00e9tica.<\/p>\n<p style=\"text-align: left;\">Esa tecnolog\u00eda que cab\u00eda en una tarjeta fin\u00edsima ahora viene integrada en nuestros m\u00f3viles y nos hace la vida m\u00e1s f\u00e1cil. <a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%81%8A%E3%82%B5%E3%82%A4%E3%83%95%E3%82%B1%E3%83%BC%E3%82%BF%E3%82%A4\">Aqu\u00ed tienes m\u00e1s informaci\u00f3n sobre el monedero m\u00f3vil (FeliCa). Es muy interesante<\/a>. Por cierto, la inducci\u00f3n electromagn\u00e9tica tambi\u00e9n est\u00e1 presente en muchas otras cosas de nuestro d\u00eda a d\u00eda.<\/p>\n<p style=\"text-align: left;\">Por ejemplo, el cargador inal\u00e1mbrico del smartphone. Tambi\u00e9n funciona con el campo magn\u00e9tico cambiante que emite el cargador, que genera corriente en la bobina del interior del m\u00f3vil: un mecanismo muy parecido al de la Suica. La intensidad del campo magn\u00e9tico y la frecuencia son distintas, pero el principio es el mismo. No te pierdas tambi\u00e9n el art\u00edculo sobre cargadores de m\u00f3vil.<\/p>\n<p style=\"text-align: left;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-45677 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/9f500715e3e213198b65899db55ceafe.png\" sizes=\"auto, (max-width: 418px) 100vw, 418px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/9f500715e3e213198b65899db55ceafe.png 1280w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/9f500715e3e213198b65899db55ceafe-300x182.png 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/9f500715e3e213198b65899db55ceafe-1024x622.png 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2024\/06\/9f500715e3e213198b65899db55ceafe-768x467.png 768w\" alt=\"\" width=\"418\" height=\"254\" \/><\/p>\n<p style=\"text-align: left;\">\n<blockquote class=\"wp-embedded-content\" data-secret=\"18qAVAXvhK\"><p><a href=\"https:\/\/phys-edu.net\/wp\/?p=45673\">\u3010\u5206\u89e3\u3011\u30ef\u30a4\u30e4\u30ec\u30b9\u5145\u96fb\u5668\u306e\u8b0e\u3092\u89e3\u3051\uff01\u9b54\u6cd5\u306e\u6b63\u4f53\u306f\u300c\u78c1\u6c17\u306e\u30ad\u30e3\u30c3\u30c1\u30dc\u30fc\u30eb\u300d\u3060\u3063\u305f<\/a><\/p><\/blockquote>\n<p><iframe loading=\"lazy\" class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; visibility: hidden;\" title=\"\u201c\u3010\u5206\u89e3\u3011\u30ef\u30a4\u30e4\u30ec\u30b9\u5145\u96fb\u5668\u306e\u8b0e\u3092\u89e3\u3051\uff01\u9b54\u6cd5\u306e\u6b63\u4f53\u306f\u300c\u78c1\u6c17\u306e\u30ad\u30e3\u30c3\u30c1\u30dc\u30fc\u30eb\u300d\u3060\u3063\u305f\u201d \u2014 \u79d1\u5b66\u306e\u30cd\u30bf\u5e33\" src=\"https:\/\/phys-edu.net\/wp\/?p=45673&amp;embed=true#?secret=H0T0GKYKsL#?secret=18qAVAXvhK\" data-secret=\"18qAVAXvhK\" width=\"600\" height=\"338\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<p style=\"text-align: left;\">Un \u00fanico descubrimiento cient\u00edfico que, con el paso del tiempo, ha ido cambiando de forma y enriqueciendo nuestras vidas. Visto as\u00ed, la ciencia escondida en lo cotidiano resulta mucho m\u00e1s fascinante, \u00bfno crees? La pr\u00f3xima vez que toques el torniquete, imag\u00ednate la bobina dentro de tu tarjeta recibiendo electricidad de un campo magn\u00e9tico invisible.<\/p>\n<ul>\n<li>@IT &#8220;La tecnolog\u00eda FeliCa&#8221; (frecuencia de 13,56 MHz, suministro de energ\u00eda inal\u00e1mbrico desde el lector-escritor y distancia de comunicaci\u00f3n) <a href=\"https:\/\/atmarkit.itmedia.co.jp\/frfid\/special\/felica\/felica02.html\">https:\/\/atmarkit.itmedia.co.jp\/frfid\/special\/felica\/felica02.html<\/a><\/li>\n<li>Osaifu-Keitai (Wikipedia) <a href=\"https:\/\/ja.wikipedia.org\/wiki\/%E3%81%8A%E3%82%B5%E3%82%A4%E3%83%95%E3%82%B1%E3%83%BC%E3%82%BF%E3%82%A4\">https:\/\/ja.wikipedia.org\/wiki\/%E3%81%8A%E3%82%B5%E3%82%A4%E3%83%95%E3%82%B1%E3%83%BC%E3%82%BF%E3%82%A4<\/a><\/li>\n<\/ul>\n<h3>Contacto y solicitudes<\/h3>\n<p>\u00a1Acercamos las maravillas y la diversi\u00f3n de la ciencia a tu d\u00eda a d\u00eda! Aqu\u00ed encontrar\u00e1s experimentos divertidos que puedes hacer en casa, junto con trucos explicados de forma sencilla. \u00a1Te animo a buscar lo que m\u00e1s te interese!<br \/>\n\u30fbEl contenido de &#8220;Kagaku no Netach\u014d&#8221; (el cuaderno de ideas cient\u00edficas) se ha convertido en libro. M\u00e1s informaci\u00f3n <a href=\"https:\/\/amzn.to\/42PMCEL\">aqu\u00ed<\/a><br \/>\n\u30fbSobre Ken Kuwako, el autor del blog, haz clic <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">aqu\u00ed<\/a><br \/>\n\u30fbPara solicitudes de trabajo (redacci\u00f3n, conferencias, talleres de experimentos, asesor\u00eda y participaci\u00f3n en TV, etc.), haz clic <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">aqu\u00ed<\/a><br \/>\n<span class=\"s2\">\u30fb\u00a1Las novedades de los art\u00edculos se publican en <a href=\"https:\/\/x.com\/kuwako\">X<\/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\">Kagaku no Neta Channel<\/a>: \u00a1v\u00eddeos de experimentos en nuestro canal!<\/p>\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><a href=\"https:\/\/phys-edu.net\/wp\/?p=68740\">\u300c\u30cd\u30a4\u30c1\u30e3\u30fc\u30c6\u30a3\u30fc\u30c1\u30e3\u30fc\u300d\uff08TBS\uff09<\/a>\u306b\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002Tver\u306b\u306611\u67083\u65e5\uff08\u706b\uff09\u307e\u3067\u914d\u4fe1\u4e2d\u3067\u3059\u3002<\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-68951 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/10\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-28-4.27.06.jpeg\" alt=\"\" width=\"474\" height=\"266\" \/><\/p>\r\n<ul>\r\n<li><a href=\"https:\/\/www.mbs.jp\/saturday-plus\/\">\u30b5\u30bf\u30d7\u30e9\uff08MBS\uff09<\/a>\u306b\u3066\u300c\u65e5\u5e38\u306b\u6f5c\u3080\uff01\u30d4\u30f3\u30c1\u8131\u51fa\u6cd5\u306b\u3064\u3044\u3066\u300d\u306e\u30b3\u30fc\u30ca\u30fc\u306b\u51fa\u6f14\u3057\u307e\u3057\u305f\u3002Tver\u306b\u3066<a href=\"https:\/\/tver.jp\/episodes\/epmfevh9zv?p=1654\">11\u67087\u65e5\uff08\u571f\uff09\u307e\u3067\u914d\u4fe1\u4e2d\u3067\u3059\u3002<\/a><\/li>\r\n<\/ul>\r\n<p><img class=\"alignnone  wp-image-69117 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-01-4.35.38.jpeg\" alt=\"\" width=\"443\" height=\"249\" \/><\/p>\r\n<ul>\r\n<li>11\u67084\u65e5\uff08\u6c34\uff09\u3000<a href=\"https:\/\/www.ntv.co.jp\/zip\/\">ZIP\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09<\/a>7:20\u9803\u653e\u9001\u4e88\u5b9a\uff08\u79d1\u5b66\u76e3\u4fee\uff09<\/li>\r\n<li>11\u670827\u65e5\uff08\u91d1\uff09\u3000\u30c6\u30ec\u30d3\u76e3\u4fee\u756a\u7d44\u653e\u9001\u4e88\u5b9a<\/li>\r\n<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>\uff11\uff11\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=69130\">\u3069\u3046\u3057\u3066\u7d50\u9732\u306f\u8d77\u3053\u308b\u306e\u304b\uff1f\u7d50\u9732\u3092\u9632\u3050\u305f\u3081\u306b\u306f\uff1f\u5b9f\u9a13\u3067\u78ba\u304b\u3081\u3088\u3046\uff01<\/a><\/p>\r\n<p><img class=\"alignnone wp-image-69132 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/%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%88-2026-10-31-10.02.13-10.07.37.jpeg\" sizes=\"(max-width: 420px) 100vw, 420px\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37.jpeg 1322w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-300x253.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-1024x863.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-10-31-10.02.13-10.07.37-768x647.jpeg 768w\" alt=\"\" width=\"316\" height=\"266\" \/><\/p>\r\n<h3><b>\u66f8\u7c4d<strong>\u306e\u304a\u77e5\u3089\u305b<\/strong><\/b><\/h3>\r\n<ul>\r\n<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<br \/><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<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\" \/><\/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;\">\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<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<h3 style=\"text-align: left;\"><ul class=\"wp-block-latest-posts__list is-grid has-dates wp-block-latest-posts is-layout-flow wp-block-latest-posts-is-layout-flow\"><li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69205&#038;lang=es\" aria-label=\"\u00a1Se enciende sin estar conectado! El misterio de la inducci\u00f3n mutua: un LED sobre una bobina que destella por un instante\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69205&#038;lang=es\">\u00a1Se enciende sin estar conectado! El misterio de la inducci\u00f3n mutua: un LED sobre una bobina que destella por un instante<\/a><time datetime=\"2026-11-03T04:57:56+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69203&#038;lang=fi\" aria-label=\"Ei johtoa, silti syttyy! K\u00e4\u00e4min p\u00e4\u00e4ll\u00e4 oleva LED v\u00e4l\u00e4ht\u00e4\u00e4 hetkeksi \u2013 keskin\u00e4isinduktion ihme\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69203&#038;lang=fi\">Ei johtoa, silti syttyy! K\u00e4\u00e4min p\u00e4\u00e4ll\u00e4 oleva LED v\u00e4l\u00e4ht\u00e4\u00e4 hetkeksi \u2013 keskin\u00e4isinduktion ihme<\/a><time datetime=\"2026-11-03T04:56:23+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69201&#038;lang=hi\" aria-label=\"\u092c\u093f\u0928\u093e \u0924\u093e\u0930 \u091c\u0941\u0921\u093c\u0947 \u0939\u0940 \u091c\u0932 \u0909\u0920\u0940 LED! \u0915\u0949\u0907\u0932 \u092a\u0930 \u092a\u0932 \u092d\u0930 \u0915\u0940 \u091a\u092e\u0915 \u0915\u093e \u0930\u093e\u091c\u093c \u0939\u0948 \u0905\u0928\u094d\u092f\u094b\u0928\u094d\u092f \u092a\u094d\u0930\u0947\u0930\u0923\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69201&#038;lang=hi\">\u092c\u093f\u0928\u093e \u0924\u093e\u0930 \u091c\u0941\u0921\u093c\u0947 \u0939\u0940 \u091c\u0932 \u0909\u0920\u0940 LED! \u0915\u0949\u0907\u0932 \u092a\u0930 \u092a\u0932 \u092d\u0930 \u0915\u0940 \u091a\u092e\u0915 \u0915\u093e \u0930\u093e\u091c\u093c \u0939\u0948 \u0905\u0928\u094d\u092f\u094b\u0928\u094d\u092f \u092a\u094d\u0930\u0947\u0930\u0923<\/a><time datetime=\"2026-11-03T04:55:59+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69199&#038;lang=zh\" aria-label=\"\u6c92\u6709\u63a5\u7dda\u537b\u6703\u4eae!\u7dda\u5708\u4e0a\u7684LED\u77ac\u9593\u9583\u4e00\u4e0b,\u4e92\u611f\u7684\u795e\u5947\u73fe\u8c61\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69199&#038;lang=zh\">\u6c92\u6709\u63a5\u7dda\u537b\u6703\u4eae!\u7dda\u5708\u4e0a\u7684LED\u77ac\u9593\u9583\u4e00\u4e0b,\u4e92\u611f\u7684\u795e\u5947\u73fe\u8c61<\/a><time datetime=\"2026-11-03T04:54:48+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69196&#038;lang=ko\" aria-label=\"\uc120\uc774 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc558\ub294\ub370 \ubd88\uc774 \ucf1c\uc9c4\ub2e4! \ucf54\uc77c \uc704 LED\uac00 \uc21c\uac04 \ubc18\uc9dd, \uc0c1\ud638 \uc720\ub3c4\uc758 \uc2e0\ube44\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69196&#038;lang=ko\">\uc120\uc774 \uc5f0\uacb0\ub418\uc9c0 \uc54a\uc558\ub294\ub370 \ubd88\uc774 \ucf1c\uc9c4\ub2e4! \ucf54\uc77c \uc704 LED\uac00 \uc21c\uac04 \ubc18\uc9dd, \uc0c1\ud638 \uc720\ub3c4\uc758 \uc2e0\ube44<\/a><time datetime=\"2026-11-03T04:53:42+09:00\" class=\"wp-block-latest-posts__post-date\">2026\u5e7411\u67083\u65e5<\/time><\/li>\n<li><div class=\"wp-block-latest-posts__featured-image\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=69194&#038;lang=en\" aria-label=\"No Wires, Still Glowing! The Magic of Mutual Induction That Flashes an LED for a Split Second\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/11\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.47.00-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=69194&#038;lang=en\">No Wires, Still Glowing! 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Mac\u306e\u300c\u30ad\u30fc\u306e\u30ea\u30d4\u30fc\u30c8\u300d\u3092\u8a66\u3057\u3066\u307f\u305f\"><img width=\"150\" height=\"150\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2022\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-11-03-4.36.21-150x150.jpeg\" class=\"attachment-thumbnail size-thumbnail wp-post-image\" alt=\"\" style=\"\" \/><\/a><\/div><a class=\"wp-block-latest-posts__post-title\" href=\"https:\/\/phys-edu.net\/wp\/?p=40697\">\u305f\u3063\u305f2\u3064\u306e\u8a2d\u5b9a\u3067\u30bf\u30a4\u30d4\u30f3\u30b0\u304c\u6fc0\u5909! 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Seguro que usas a diario las tarje [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":68914,"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":[1492],"tags":[],"class_list":["post-68937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-es"],"jetpack-related-posts":[{"id":65793,"url":"https:\/\/phys-edu.net\/wp\/?p=65793&lang=es","url_meta":{"origin":68937,"position":0},"title":"\u00a1Clasifica plantas como un detective! 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