{"id":338927,"date":"2024-08-22T11:15:10","date_gmt":"2024-08-22T09:15:10","guid":{"rendered":"https:\/\/sftarticles.wpenginepowered.com\/es\/?p=338927"},"modified":"2025-06-12T16:23:23","modified_gmt":"2025-06-12T14:23:23","slug":"el-microscopio-mas-rapido-del-mundo-congela-el-tiempo-en-una-quintillonesima-de-segundo","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/es\/el-microscopio-mas-rapido-del-mundo-congela-el-tiempo-en-una-quintillonesima-de-segundo\/","title":{"rendered":"El microscopio m\u00e1s r\u00e1pido del mundo congela el tiempo en una quintillon\u00e9sima de segundo"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">El mundo subat\u00f3mico es dif\u00edcil de captar, no solo porque es incre\u00edblemente diminuto, sino tambi\u00e9n porque es superr\u00e1pido. Ahora, f\u00edsicos de la Universidad de Arizona han desarrollado <strong>el microscopio electr\u00f3nico m\u00e1s r\u00e1pido del mundo, capaz de captar fen\u00f3menos que duran tan solo una quintillon\u00e9sima de segundo.<\/strong><\/p>\n\n\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/e7c83350-96d9-11e6-af79-00163ed833e7\/2296076294\/microsoft-365-icon.png\" alt=\"Microsoft 365\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">Microsoft 365<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/microsoft-365.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\">DESCARGAR<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        <svg class=\"rating-score__content\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" x=\"0\" y=\"0\" viewbox=\"0 0 50 50\" enable-background=\"new 0 0 50 50\" xml:space=\"preserve\"><path class=\"rating-score__background rating-score--good\" fill=\"none\" stroke-width=\"6\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><path class=\"rating-score__value rating-score__value--0\" fill=\"none\" stroke-width=\"6\" stroke-dashoffset=\"0\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><text class=\"rating-score__number\" content=\"\" text-anchor=\"middle\" transform=\"matrix(1 0 0 1 25 31.0837)\" data-auto=\"app-user-score\"><\/text><\/svg>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\" onerror=\"this.style.display='none'\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/microsoft-365.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Una buena c\u00e1mara, con una velocidad de obturaci\u00f3n medida en milisegundos, podr\u00eda tomar una foto n\u00edtida de una persona corriendo. Pero las c\u00e1maras m\u00e1s r\u00e1pidas del mundo, los microscopios electr\u00f3nicos de transmisi\u00f3n, pueden captar sucesos a escala de attosegundos,<strong> como fotos de electrones corriendo.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por cierto, <strong>un attosegundo es la quintillon\u00e9sima parte de un segundo<\/strong>, lo que hace que un milisegundo (la mil\u00e9sima parte de un segundo) parezca una eternidad.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">In this new Virtual Special Issue from JPC A we&#39;re showcasing the latest research on attosecond chemistry including explorations of ultrafast processes and electron and nuclear dynamics. Read it here ?<a href=\"https:\/\/t.co\/QJFEb9QaAq\">https:\/\/t.co\/QJFEb9QaAq<\/a> <a href=\"https:\/\/t.co\/L03f7NerKH\">pic.twitter.com\/L03f7NerKH<\/a><\/p>&mdash; The Journal of Physical Chemistry (@JPhysChem) <a href=\"https:\/\/twitter.com\/JPhysChem\/status\/1826212696376631761?ref_src=twsrc%5Etfw\">August 21, 2024<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Un hito en la f\u00edsica y que podr\u00eda aportar en f\u00edsica cu\u00e1ntica, qu\u00edmica y biolog\u00eda<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Si ampliamos la escala, <strong>hay tantos attosegundos en un segundo como segundos en 31.700 millones de a\u00f1os, es decir, m\u00e1s del doble del tiempo que ha existido el universo<\/strong>. Son cifras realmente insondables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En cualquier caso, como leemos en <a href=\"https:\/\/newatlas.com\/physics\/worlds-fastest-microscope-quintillionth-second-attosecond\/\" target=\"_blank\" rel=\"noopener nofollow\" title=\"New Atlas\">New Atlas<\/a>, los esfuerzos anteriores para capturar eventos en ese tipo de escala de tiempo han llegado hasta los 43 attosegundos, que los investigadores calificaron en su momento como &#8220;el evento controlado m\u00e1s corto jam\u00e1s creado por la humanidad&#8221;. Ahora, el equipo de la Universidad de Arizona <a href=\"https:\/\/www.science.org\/doi\/10.1126\/sciadv.adp5805\" target=\"_blank\" rel=\"noopener nofollow\" title=\"ha reducido a\u00fan m\u00e1s el tiempo\">ha reducido a\u00fan m\u00e1s el tiempo<\/a>, <strong>congel\u00e1ndolo en un solo attosegundo.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">BREAKING NEWS<br>The Royal Swedish Academy of Sciences has decided to award the 2023 <a href=\"https:\/\/twitter.com\/hashtag\/NobelPrize?src=hash&amp;ref_src=twsrc%5Etfw\">#NobelPrize<\/a> in Physics to Pierre Agostini, Ferenc Krausz and Anne L\u2019Huillier \u201cfor experimental methods that generate attosecond pulses of light for the study of electron dynamics in matter.\u201d <a href=\"https:\/\/t.co\/6sPjl1FFzv\">pic.twitter.com\/6sPjl1FFzv<\/a><\/p>&mdash; The Nobel Prize (@NobelPrize) <a href=\"https:\/\/twitter.com\/NobelPrize\/status\/1709143709470572915?ref_src=twsrc%5Etfw\">October 3, 2023<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">El nuevo trabajo se basa en las investigaciones de Pierre Agostini, Ferenc Krausz y Anne L&#8217;Huilliere, que generaron los primeros pulsos de luz lo bastante cortos como para medirlos en attosegundos.<strong> Esto les vali\u00f3 el Premio Nobel de F\u00edsica en 2023.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para el nuevo estudio, los investigadores desarrollaron lo que llaman un \u00abattomicroscopio\u00bb. <strong>En primer lugar, se dispara un pulso de luz ultravioleta<\/strong> en un fotoc\u00e1todo, que libera electrones ultrarr\u00e1pidos en el interior del attomicroscopio.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>A continuaci\u00f3n, un pulso de l\u00e1ser se divide en dos haces, <\/strong>que se env\u00edan a los electrones que se mueven por el microscopio. Uno de esos haces est\u00e1 polarizado y llega en momentos ligeramente distintos, lo que genera un pulso de electrones &#8220;en compuerta&#8221; que permite obtener im\u00e1genes de una muestra, en este caso, de grafeno.<\/p>\n\n\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/e7c83350-96d9-11e6-af79-00163ed833e7\/2296076294\/microsoft-365-icon.png\" alt=\"Microsoft 365\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">Microsoft 365<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/microsoft-365.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\">DESCARGAR<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        <svg class=\"rating-score__content\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" version=\"1.1\" x=\"0\" y=\"0\" viewbox=\"0 0 50 50\" enable-background=\"new 0 0 50 50\" xml:space=\"preserve\"><path class=\"rating-score__background rating-score--good\" fill=\"none\" stroke-width=\"6\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><path class=\"rating-score__value rating-score__value--0\" fill=\"none\" stroke-width=\"6\" stroke-dashoffset=\"0\" stroke-miterlimit=\"10\" d=\"M40 40c8.3-8.3 8.3-21.7 0-30s-21.7-8.3-30 0 -8.3 21.7 0 30\"><\/path><text class=\"rating-score__number\" content=\"\" text-anchor=\"middle\" transform=\"matrix(1 0 0 1 25 31.0837)\" data-auto=\"app-user-score\"><\/text><\/svg>\r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\" onerror=\"this.style.display='none'\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/microsoft-365.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gracias a esta t\u00e9cnica, el equipo pudo generar pulsos de electrones de un solo attosegundo de duraci\u00f3n<\/strong>, lo que les permiti\u00f3 observar movimientos ultrarr\u00e1pidos de electrones que normalmente no pueden verse. Los investigadores afirman que <strong>este avance podr\u00eda tener aplicaciones en f\u00edsica cu\u00e1ntica, qu\u00edmica y biolog\u00eda.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>El mundo subat\u00f3mico es dif\u00edcil de captar, no solo porque es incre\u00edblemente diminuto, sino tambi\u00e9n porque es superr\u00e1pido. Ahora, f\u00edsicos de la Universidad de Arizona han desarrollado el microscopio electr\u00f3nico m\u00e1s r\u00e1pido del mundo, capaz de captar fen\u00f3menos que duran tan solo una quintillon\u00e9sima de segundo. Una buena c\u00e1mara, con una velocidad de obturaci\u00f3n medida &hellip; <a href=\"https:\/\/cms-articles.softonic.io\/es\/el-microscopio-mas-rapido-del-mundo-congela-el-tiempo-en-una-quintillonesima-de-segundo\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;El microscopio m\u00e1s r\u00e1pido del mundo congela el tiempo en una quintillon\u00e9sima de segundo&#8221;<\/span><\/a><\/p>\n","protected":false},"author":9265,"featured_media":338928,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":1},"categories":[9317],"tags":[10621],"usertag":[],"vertical":[],"content-category":[],"class_list":["post-338927","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-ciencia"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/posts\/338927","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/users\/9265"}],"replies":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/comments?post=338927"}],"version-history":[{"count":1,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/posts\/338927\/revisions"}],"predecessor-version":[{"id":358165,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/posts\/338927\/revisions\/358165"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/media\/338928"}],"wp:attachment":[{"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/media?parent=338927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/categories?post=338927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/tags?post=338927"},{"taxonomy":"usertag","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/usertag?post=338927"},{"taxonomy":"vertical","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/vertical?post=338927"},{"taxonomy":"content-category","embeddable":true,"href":"https:\/\/cms-articles.softonic.io\/es\/wp-json\/wp\/v2\/content-category?post=338927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}