{"id":25479,"date":"2021-12-01T09:48:46","date_gmt":"2021-12-01T15:48:46","guid":{"rendered":"https:\/\/otech.uaeh.edu.mx\/noti\/?p=25479"},"modified":"2021-12-01T09:48:53","modified_gmt":"2021-12-01T15:48:53","slug":"cielos-mas-silenciosos-gracias-a-un-merengue-de-grafeno","status":"publish","type":"post","link":"https:\/\/otech.uaeh.edu.mx\/noti\/materiales\/cielos-mas-silenciosos-gracias-a-un-merengue-de-grafeno\/","title":{"rendered":"Cielos m\u00e1s silenciosos gracias a un \u201cmerengue\u201d de grafeno"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Aunque no reciba tanta atenci\u00f3n como su pariente atmosf\u00e9rica, la poluci\u00f3n ac\u00fastica es una de las grandes lacras de las ciudades contempor\u00e1neas. <\/span><span style=\"vertical-align: inherit;\">Y, aunque parezca chocante, un\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/www.imnovation-hub.com\/es\/ciencia-y-tecnologia\/aplicaciones-del-grafeno\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">aerogel de grafeno podr\u00eda<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0ayudar a mitigarla.<\/span><\/span><!--more--><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Cualquiera que viva cerca de un aeropuerto puede atestiguar que el despegue de un avi\u00f3n no es\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">la experiencia m\u00e1s relajante del vecindario<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">De hecho, existe una evidencia creciente de que la poluci\u00f3n ac\u00fastica generada por el tr\u00e1fico rodado y a\u00e9reo puede ocasionar problemas cardiovasculares.<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">La OMS estima asimismo que los europeos occidentales pierden 1,6 millones de horas de vida saludable por causa del ruido del tr\u00e1fico. \u00a0<\/span><\/span><\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Un \u201cmerengue\u201d ultraligero<\/span><\/span><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">As\u00ed, uno de los requisitos para una\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/www.imnovation-hub.com\/es\/ciencia-y-tecnologia\/diseno-aviacion-reducir-emisiones\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">aviaci\u00f3n m\u00e1s sostenible<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0es que\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">reduzca sus emisiones ac\u00fasticas adem\u00e1s<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0de los\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/www.sostenibilidad.com\/cambio-climatico\/que-es-el-efecto-invernadero\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">gases de efecto invernadero<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">En la\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/www.bath.ac.uk\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Universidad de Bath<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0creen que es posible por medio de un nuevo\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">material ultraligero basado en el grafeno\u00a0<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> y con forma de panal de abeja. <\/span><span style=\"vertical-align: inherit;\">La funci\u00f3n de este aerogel, seg\u00fan informa la revista\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/www.nature.com\/srep\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Scientific Reports<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> , consistir\u00e1 en ofrecer una\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">nueva soluci\u00f3n de aislamiento para las turbinas de los aviones<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Con un peso de 2,1 kg, se encuentra entre los\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">materiales de aislamiento ac\u00fastico m\u00e1s ligeros<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0jam\u00e1s fabricados. <\/span><span style=\"vertical-align: inherit;\">Sus inventores aseguran que reducir\u00e1 el ruido de las turbinas en hasta 16 decibelios, lo que significa que el sonido del despegue de un avi\u00f3n ser\u00e1 m\u00e1s parecido a un\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">secador de pelo que a una turbina aeron\u00e1utica<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Adem\u00e1s, este aerogel de grafeno ofrecer\u00e1 otras ventajas como el blindaje electromagn\u00e9tico o la disipaci\u00f3n de calor. <\/span><span style=\"vertical-align: inherit;\">Y todo ello sin apenas incrementar el peso total de las aeronaves. <\/span><span style=\"vertical-align: inherit;\">Es posible que tambi\u00e9n pueda emplearse en un futuro como un\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/www.imnovation-hub.com\/es\/construccion\/los-materiales-del-futuro-que-imaginamos-hoy\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">innovador material de construcci\u00f3n<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">En lo que respeta a su composici\u00f3n, el material desarrollado por los investigadores de la universidad brit\u00e1nica utiliza un\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">l\u00edquido de \u00f3xido de grafeno<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0junto con un pol\u00edmero. <\/span><span style=\"vertical-align: inherit;\">La mezcla se bate y se congela para otorgarle una textura porosa.<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">El responsable de este proyecto tecnol\u00f3gico lo compara con la t\u00e9cnica de batir huevos al punto de nieve para producir merengue. <\/span><span style=\"vertical-align: inherit;\">Es decir, un material de una\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">densidad extremadamente baja<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0y con una gran proporci\u00f3n de aire.<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">El equipo que ha llevado a cabo la investigaci\u00f3n indica que el nuevo material podr\u00eda empezar a utilizar en el plazo de\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">diecio meses<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> .\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/span><\/span><\/p>\n<h2 style=\"text-align: justify;\"><span style=\"color: #000000;\"><em><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Tortilla sorpresa<\/span><\/span><\/em><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0o c\u00f3mo hornear helado sin derretirlo<\/span><\/span><\/span><\/h2>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">En el fondo, el &#8220;merengue&#8221; de la Universidad de Bath se rige por unos principios f\u00edsicos muy similares a los que ya apuntan el f\u00edsico americano Benjamin Thompson Rumford. <\/span><span style=\"vertical-align: inherit;\">Su descubrimiento le emparenta con otros grandes\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/www.imnovation-hub.com\/es\/sociedad\/avances-cientificos-ilustracion\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">avances cient\u00edficos la Ilustraci\u00f3n<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> , ya que fue uno de los primeros en esclarecer\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">la naturaleza de las leyes termodin\u00e1micas<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> .<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Rumford tambi\u00e9n trabaj\u00f3 en el campo de la fotometr\u00eda y fue un inventor prol\u00edfico. <\/span><span style=\"vertical-align: inherit;\">Sin embargo, adem\u00e1s de inventar el\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">horno Rumford de alto rendimiento\u00a0<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> y la\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">ropa interior t\u00e9rmica<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> , se le conoce por un curioso experimento con el que demostr\u00f3 las propiedades aislantes del merengue. \u00a0<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">El plato que prepar\u00f3 hoy se conoce como el souffl\u00e9 Alaska, aunque los registros hist\u00f3ricos indican que Rumford lo bautiz\u00f3 como\u00a0 <\/span><\/span><em><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">omelete sorpresa<\/span><\/span><\/em><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> . <\/span><span style=\"vertical-align: inherit;\">Esta receta mostraba la capacidad del helado para\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">resistir el calor de un horno<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> \u00a0y del flambeado al emplear una capa de merengue como aislante.<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Seg\u00fan cuenta el libro de cocina\u00a0 <\/span><\/span><em><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">The American Heritage Cookbook<\/span><\/span><\/em><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> , Rumford afirmaba que la receta fue \u201cel resultado de unas investigaciones llevadas a cabo en 1804 para determinar la resistencia de las claras de huevo batidas a punto de nieve al calor inducido\u201d.<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">As\u00ed, la Ilustraci\u00f3n dio a luz a un\u00a0 <\/span><\/span><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">postre m\u00edtico que ha sobrevivido durante tres siglos<\/span><\/span><\/strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> . <\/span><span style=\"vertical-align: inherit;\">Y, de paso, sent\u00f3 las bases para que los aviones que sobrevuelan tu casa sean un poco m\u00e1s discretos. \u00a0<\/span><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Fuentes: <\/span><\/span><\/strong>\u00a0<a style=\"color: #000000;\" href=\"https:\/\/www.bbc.com\/future\/article\/20210315-why-noise-pollution-is-bad-for-your-heart\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">BBC<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> ,\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/scitechdaily.com\/meringue-like-graphene-based-aerogel-material-could-make-aircraft-as-quiet-as-a-hairdryer\/\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">SciTech Daily<\/span><\/span><\/a><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\"> ,\u00a0 <\/span><\/span><a style=\"color: #000000;\" href=\"https:\/\/whatscookingamerica.net\/history\/icecream\/bakedalaska.htm\" target=\"_blank\" rel=\"noopener noreferrer\"><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">https:\/\/whatscookingamerica.net\/history\/icecream\/bakedalaska.htm<\/span><\/span><\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Aunque no reciba tanta atenci\u00f3n como su pariente atmosf\u00e9rica, la poluci\u00f3n ac\u00fastica es una de las grandes lacras de las ciudades contempor\u00e1neas. Y, aunque parezca chocante, un\u00a0 aerogel de grafeno podr\u00eda \u00a0ayudar a mitigarla.<\/p>\n","protected":false},"author":1,"featured_media":25480,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[358],"tags":[],"class_list":["post-25479","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materiales"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cielos m\u00e1s silenciosos gracias a un \u201cmerengue\u201d de grafeno - Observatorio Tecnol\u00f3gico de Hidalgo<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/otech.uaeh.edu.mx\/noti\/materiales\/cielos-mas-silenciosos-gracias-a-un-merengue-de-grafeno\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cielos m\u00e1s silenciosos gracias a un \u201cmerengue\u201d de grafeno - Observatorio Tecnol\u00f3gico de Hidalgo\" \/>\n<meta property=\"og:description\" content=\"Aunque no reciba tanta atenci\u00f3n como su pariente atmosf\u00e9rica, la poluci\u00f3n ac\u00fastica es una de las grandes lacras de las ciudades contempor\u00e1neas. 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