{"id":65613,"date":"2026-07-22T05:12:07","date_gmt":"2026-07-21T20:12:07","guid":{"rendered":"https:\/\/phys-edu.net\/wp\/?p=65613"},"modified":"2026-07-22T05:12:19","modified_gmt":"2026-07-21T20:12:19","slug":"el-mismo-truco-que-las-hortensias-diseccionamos-neru-neru-neru-ne-el-secreto-de-por-que-cambia-de-color-y-se-hincha","status":"publish","type":"post","link":"https:\/\/phys-edu.net\/wp\/?p=65613&lang=es","title":{"rendered":"\u00bfEl mismo truco que las hortensias? \u00a1Diseccionamos &#8220;Neru Neru Neru Ne&#8221;! El secreto de por qu\u00e9 cambia de color y se hincha"},"content":{"rendered":"<p style=\"text-align: center;\"><span style=\"color: #339966;\"><strong>\u00a1Soy Ken Kuwako, Science Trainer! Cada d\u00eda es una oportunidad para experimentar.<\/strong><\/span><\/p>\n<p>Cuando escuchas hablar de &#8220;ese dulce que cambia de color como por arte de magia al echarle un polvo&#8221;, seguro que a muchos les viene inmediatamente a la cabeza el famoso Nerunerunerune. Quiz\u00e1 tambi\u00e9n recuerdes la emoci\u00f3n de la infancia al mezclar un poco de polvo con agua y ver c\u00f3mo el color pasaba del azul a un intenso tono p\u00farpura. Lo que parece magia es, en realidad, una aut\u00e9ntica reacci\u00f3n qu\u00edmica. En esta ocasi\u00f3n, nuestro club de ciencias decidi\u00f3 investigar este curioso fen\u00f3meno y descubrir paso a paso qu\u00e9 ocurre realmente, acompa\u00f1\u00e1ndolo de fotograf\u00edas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65591 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.09.jpeg\" alt=\"\" width=\"263\" height=\"402\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.09.jpeg 774w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.09-196x300.jpeg 196w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.09-671x1024.jpeg 671w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.09-768x1173.jpeg 768w\" sizes=\"auto, (max-width: 263px) 100vw, 263px\" \/><\/p>\n<p>El fabricante, <a href=\"https:\/\/oshihaku.jp\/nenkan\/page\/13136337\">Kracie<\/a>, explica el secreto del cambio de color en este art\u00edculo. Nosotros lo utilizamos como referencia y despu\u00e9s intentamos comprobarlo experimentalmente en el club de ciencias.<\/p>\n<p>Cuando escuchas hablar de &#8220;ese dulce que cambia de color como por arte de magia al echarle un polvo&#8221;, seguro que a muchos les viene inmediatamente a la cabeza el famoso Nerunerunerune. Quiz\u00e1 tambi\u00e9n recuerdes la emoci\u00f3n de la infancia al mezclar un poco de polvo con agua y ver c\u00f3mo el color pasaba del azul a un intenso tono p\u00farpura. Lo que parece magia es, en realidad, una aut\u00e9ntica reacci\u00f3n qu\u00edmica. En esta ocasi\u00f3n, nuestro club de ciencias decidi\u00f3 investigar este curioso fen\u00f3meno y descubrir paso a paso qu\u00e9 ocurre realmente, acompa\u00f1\u00e1ndolo de fotograf\u00edas.<\/p>\n<p><iframe loading=\"lazy\" title=\"\u7d2b\u967d\u82b1\u3068\u540c\u3058\u4ed5\u7d44\u307f?\u300c\u306d\u308b\u306d\u308b\u306d\u308b\u306d\u300d\u5fb9\u5e95\u89e3\u5256\uff01\u8272\u304c\u5909\u308f\u308b\u4ed5\u7d44\u307f\u3068\u81a8\u3089\u3080\u4ed5\u7d44\u307f\" width=\"1140\" height=\"641\" src=\"https:\/\/www.youtube.com\/embed\/C4VIGfsneD0?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<h3>Primero, repasemos c\u00f3mo se prepara<\/h3>\n<p>El procedimiento es muy sencillo. Al abrir el paquete encontramos tres sobres de polvo.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65593 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.20.jpeg\" alt=\"\" width=\"448\" height=\"585\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.20.jpeg 944w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.20-230x300.jpeg 230w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.20-785x1024.jpeg 785w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.20-768x1002.jpeg 768w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/><\/p>\n<p>Se utilizan en el orden indicado. Estas son las instrucciones.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65480 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.11.jpeg\" alt=\"\" width=\"301\" height=\"553\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.11.jpeg 806w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.11-163x300.jpeg 163w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.11-558x1024.jpeg 558w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.11-768x1410.jpeg 768w\" sizes=\"auto, (max-width: 301px) 100vw, 301px\" \/><\/p>\n<p>Primero se separa el vasito del recipiente y se a\u00f1ade el agua indicada. Despu\u00e9s se vierte el polvo n\u00famero 1 en la parte redonda de la bandeja. En ese momento sigue siendo un polvo blanco. \u00bfQu\u00e9 color aparecer\u00e1 al a\u00f1adir el agua?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65594 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.29.jpeg\" alt=\"\" width=\"301\" height=\"344\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.29.jpeg 846w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.29-262x300.jpeg 262w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.29-768x879.jpeg 768w\" sizes=\"auto, (max-width: 301px) 100vw, 301px\" \/><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65595\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.35.jpeg\" alt=\"\" width=\"457\" height=\"346\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.35.jpeg 892w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.35-300x227.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.35-768x582.jpeg 768w\" sizes=\"auto, (max-width: 457px) 100vw, 457px\" \/><\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65596\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.58.32.jpeg\" alt=\"\" width=\"458\" height=\"381\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.58.32.jpeg 628w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.58.32-300x249.jpeg 300w\" sizes=\"auto, (max-width: 458px) 100vw, 458px\" \/><\/p>\n<p>\u00a1La mezcla se volvi\u00f3 de un intenso color azul!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65597 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.40.jpeg\" alt=\"\" width=\"474\" height=\"385\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.40.jpeg 1014w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.40-300x244.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.40-768x624.jpeg 768w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/p>\n<p>A continuaci\u00f3n a\u00f1adimos el polvo n\u00famero 2 y removimos bien.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65598 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51.jpeg\" alt=\"\" width=\"486\" height=\"416\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51.jpeg 1026w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51-300x257.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51-1024x876.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51-768x657.jpeg 768w\" sizes=\"auto, (max-width: 486px) 100vw, 486px\" \/><\/p>\n<p>Probamos este polvo por separado&#8230; \u00a1y era incre\u00edblemente \u00e1cido!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65599 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57.jpeg\" alt=\"\" width=\"510\" height=\"453\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57.jpeg 1038w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57-300x266.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57-1024x910.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57-768x682.jpeg 768w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/p>\n<p>Tras mezclarlo, \u00a1el color cambi\u00f3 a un bonito tono rosado!<\/p>\n<p>Pero aqu\u00ed no termina la transformaci\u00f3n. Como \u00faltimo paso, se toman los peque\u00f1os caramelos de colores del sobre n\u00famero 3 y se mojan en la crema antes de comerlos. Aunque parezca un proceso muy simple, en realidad esconde una sorprendente combinaci\u00f3n de reacciones qu\u00edmicas.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65479 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.19.jpeg\" alt=\"\" width=\"491\" height=\"269\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.19.jpeg 1950w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.19-300x164.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.19-1024x561.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.19-768x421.jpeg 768w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.19-1536x841.jpeg 1536w\" sizes=\"auto, (max-width: 491px) 100vw, 491px\" \/><\/p>\n<h3>\u00bfQu\u00e9 ocurre al mezclar el polvo n\u00famero 1?<\/h3>\n<p>El primer polvo contiene un pigmento natural llamado <b>antocianina<\/b>, presente tambi\u00e9n en la col lombarda, adem\u00e1s de bicarbonato s\u00f3dico. Cuando se a\u00f1ade agua, la mezcla se vuelve neutra o ligeramente alcalina. Las antocianinas tienen una propiedad muy especial: cambian de color seg\u00fan el pH. En un medio alcalino adquieren un intenso color azul.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65597 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.40.jpeg\" alt=\"\" width=\"377\" height=\"306\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.40.jpeg 1014w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.40-300x244.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.40-768x624.jpeg 768w\" sizes=\"auto, (max-width: 377px) 100vw, 377px\" \/><\/p>\n<p>Lo curioso es que las antocianinas est\u00e1n presentes en muchos lugares de nuestra vida cotidiana. Por ejemplo, el color de las hortensias cambia entre azul y rosa dependiendo de las caracter\u00edsticas del suelo gracias precisamente a estos pigmentos. Lo que ocurre dentro del Nerunerunerune es como ver ese mismo fen\u00f3meno concentrado en un peque\u00f1o recipiente.<\/p>\n<h3>\u00bfQu\u00e9 ocurre al a\u00f1adir el polvo n\u00famero 2?<\/h3>\n<p>El segundo polvo contiene \u00e1cido c\u00edtrico y otros acidulantes.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65598 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51.jpeg\" alt=\"\" width=\"409\" height=\"350\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51.jpeg 1026w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51-300x257.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51-1024x876.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.51-768x657.jpeg 768w\" sizes=\"auto, (max-width: 409px) 100vw, 409px\" \/><\/p>\n<p>Al incorporarlo a la mezcla anterior, el l\u00edquido pasa r\u00e1pidamente a ser \u00e1cido. Como las antocianinas se vuelven rojizas o viol\u00e1ceas en un medio \u00e1cido, el l\u00edquido azul cambia inmediatamente a un brillante color p\u00farpura.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65599 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57.jpeg\" alt=\"\" width=\"410\" height=\"364\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57.jpeg 1038w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57-300x266.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57-1024x910.jpeg 1024w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.56.57-768x682.jpeg 768w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\" \/><\/p>\n<p>Este mismo principio puede reproducirse f\u00e1cilmente en casa. Basta con preparar una infusi\u00f3n de col lombarda y a\u00f1adirle zumo de lim\u00f3n (\u00e1cido) o agua con bicarbonato (alcalina) para observar c\u00f3mo cambia de color. En ese sentido, Nerunerunerune podr\u00eda considerarse un aut\u00e9ntico &#8220;kit comestible para experimentar con indicadores de pH&#8221;.<\/p>\n<h3>Otra reacci\u00f3n qu\u00edmica ocurre al mismo tiempo<\/h3>\n<p>Mientras cambia el color, tambi\u00e9n tiene lugar otra reacci\u00f3n muy interesante. El bicarbonato s\u00f3dico del primer polvo reacciona con el \u00e1cido c\u00edtrico del segundo mediante una <b>reacci\u00f3n de neutralizaci\u00f3n<\/b>, liberando di\u00f3xido de carbono. Las burbujas de este gas quedan atrapadas gracias a la clara de huevo y a los espesantes presentes en la mezcla, formando esa caracter\u00edstica crema esponjosa y llena de aire.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-65600 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.58.53.jpeg\" alt=\"\" width=\"440\" height=\"381\" srcset=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.58.53.jpeg 794w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.58.53-300x260.jpeg 300w, https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-22-4.58.53-768x665.jpeg 768w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/p>\n<p>Es exactamente el mismo tipo de reacci\u00f3n que hace que los panqueques queden esponjosos o que las bombas de ba\u00f1o produzcan tantas burbujas al entrar en contacto con el agua. Pensar que tantos fen\u00f3menos cotidianos relacionados con &#8220;inflarse&#8221; o &#8220;hacer espuma&#8221; tienen detr\u00e1s una neutralizaci\u00f3n \u00e1cido-base hace que la qu\u00edmica resulte mucho m\u00e1s cercana.<\/p>\n<p>En resumen, el cambio de color se debe a las propiedades de la antocianina como indicador de pH, mientras que la textura espumosa aparece gracias al di\u00f3xido de carbono generado durante la reacci\u00f3n de neutralizaci\u00f3n. Este popular dulce infantil es mucho m\u00e1s que una golosina: es una aut\u00e9ntica concentraci\u00f3n de qu\u00edmica que conecta con fen\u00f3menos tan conocidos como el color de las hortensias o la masa esponjosa de los panqueques.<\/p>\n<h3>Consultas y colaboraciones<\/h3>\n<p>\u00a1Queremos acercar la ciencia a todo el mundo de una forma divertida! En este blog encontrar\u00e1s numerosos experimentos que puedes realizar en casa, junto con explicaciones claras y sencillas.<\/p>\n<p>\u30fbEl contenido de Ciencia no Te Aburre ya est\u00e1 disponible tambi\u00e9n en formato libro. M\u00e1s informaci\u00f3n <a href=\"https:\/\/amzn.to\/42PMCEL\">aqu\u00ed<\/a>.<\/p>\n<p>\u30fbSi quieres saber m\u00e1s sobre Ken Kuwako, visita <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=37\">esta p\u00e1gina<\/a>.<\/p>\n<p>\u30fbPara colaboraciones, art\u00edculos, conferencias, talleres cient\u00edficos, asesor\u00eda para televisi\u00f3n o participaciones en medios, consulta <a href=\"https:\/\/phys-edu.net\/wp\/?page_id=188\">este enlace<\/a>.<\/p>\n<p><span class=\"s2\">\u30fb\u00a1Las novedades del blog 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\">Canal Ciencia al Descubierto<\/a>: \u00a1v\u00eddeos de experimentos cient\u00edficos para todos!<\/p>\n<h3><span style=\"color: #ff0000;\">NEW\u3000\u5206\u89e3\u554f\u984c\u96c6\u3000\u7406\u79d1<\/span><\/h3>\r\n<ul>\r\n \t<li>\uff17\u6708\uff12\uff11\u65e5\u767a\u58f2\uff01\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><\/li>\r\n<\/ul>\r\n<h3>\uff17\u6708\u306e\u30a4\u30c1\u30aa\u30b7\u5b9f\u9a13\uff01<\/h3>\r\n<p style=\"text-align: center;\">\u590f\u3067\u30d7\u30b7\u30e5\u30c3\u3068\u723d\u3084\u304b\u5b9f\u9a13\uff01<\/p>\r\n<img class=\"alignnone  wp-image-64964 aligncenter\" src=\"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/06\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-06-30-4.31.58.jpeg\" alt=\"\" width=\"250\" height=\"310\" \/>\r\n<p style=\"text-align: center;\"><a href=\"https:\/\/phys-edu.net\/wp\/?p=206\">\u5c0f\u578b\u3067\u6301\u3061\u5e30\u308c\u308b\u3088\uff01\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u30ed\u30b1\u30c3\u30c8\u3092\u4f5c\u308d\u3046\uff01<\/a><\/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>\uff17\u6708\uff11\uff18\u65e5\uff08\u571f\uff09\u300c<a href=\"https:\/\/official.idolfes.com\/s\/tif2026\/page\/broadcast\">TIF\u3000presents\u3000ONE\u3000SONG\u3000FES. <\/a>\u300d\uff08\u30d5\u30b8\u30c6\u30ec\u30d3\uff09<\/li>\r\n \t<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<\/a><\/li>\r\n \t<li>7\u670823\u65e5\uff08\u6728\uff09\u79d1\u5b66\u76e3\u4fee\u300019:00\u301c\u3000<a href=\"https:\/\/www.ntv.co.jp\/toppa\/\">THE\u7a81\u7834\u30d5\u30a1\u30a4\u30eb<\/a>\uff08\u65e5\u672c\u30c6\u30ec\u30d3\uff09<\/li>\r\n \t<li>\uff17\u6708\uff13\uff10\u65e5\uff08\u6c34\uff09\u3000\u76e3\u4fee\u3057\u305f\u30c6\u30ec\u30d3\u756a\u7d44\u653e\u9001\u4e88\u5b9a<\/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\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>\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>","protected":false},"excerpt":{"rendered":"<p>\u00a1Soy Ken Kuwako, Science Trainer! Cada d\u00eda es una oportunidad para experimentar. Cuando escuchas hablar de &#038;#8 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":65479,"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-65613","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-es"],"jetpack_featured_media_url":"https:\/\/phys-edu.net\/wp\/wp-content\/uploads\/2026\/07\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-19-5.14.19.jpeg","jetpack-related-posts":[{"id":58903,"url":"https:\/\/phys-edu.net\/wp\/?p=58903&lang=es","url_meta":{"origin":65613,"position":0},"title":"\u00a1Ag\u00edtalo y mira la magia! La qu\u00edmica que transforma la clase con la \u201cReacci\u00f3n Se\u00f1al y Gaming\u201d","author":"\u6851\u5b50 \u7814","date":"2026\u5e741\u670816\u65e5","format":false,"excerpt":"Soy Ken Kuwako, entrenador cient\u00edfico. Para m\u00ed, ca\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1492&lang=es"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/60251d27fa7989654d744610379f5a50.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/60251d27fa7989654d744610379f5a50.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/60251d27fa7989654d744610379f5a50.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2025\/07\/60251d27fa7989654d744610379f5a50.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":54839,"url":"https:\/\/phys-edu.net\/wp\/?p=54839&lang=es","url_meta":{"origin":65613,"position":1},"title":"\u00a1El misterio de la fotocopiadora revelado! Un experimento para ver las \u201cletras invisibles\u201d del electrost\u00e1tico","author":"\u6851\u5b50 \u7814","date":"2025\u5e7410\u670823\u65e5","format":false,"excerpt":"I'm Ken Kuwako, your Science Trainer. Every day is\u2026","rel":"","context":"Science","block_context":{"text":"Science","link":"https:\/\/phys-edu.net\/wp\/?cat=1492&lang=es"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/f05ab9d0fd971ce219c92ec7d6369ef5.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/f05ab9d0fd971ce219c92ec7d6369ef5.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/f05ab9d0fd971ce219c92ec7d6369ef5.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/f05ab9d0fd971ce219c92ec7d6369ef5.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/f05ab9d0fd971ce219c92ec7d6369ef5.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/phys-edu.net\/wp\/wp-content\/uploads\/2020\/03\/f05ab9d0fd971ce219c92ec7d6369ef5.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":62040,"url":"https:\/\/phys-edu.net\/wp\/?p=62040&lang=es","url_meta":{"origin":65613,"position":2},"title":"\u00a1Un d\u00fao brillante y un gran coro de luz! 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