{"id":3066,"date":"2014-02-21T00:00:00","date_gmt":"2014-02-21T00:00:00","guid":{"rendered":"https:\/\/blog.caixaresearch.org\/?p=3066"},"modified":"2020-05-06T11:04:44","modified_gmt":"2020-05-06T11:04:44","slug":"la-llum-del-segle-xxi","status":"publish","type":"post","link":"https:\/\/blog.caixaresearch.org\/ca\/la-llum-del-segle-xxi\/","title":{"rendered":"La llum del segle XXI"},"content":{"rendered":"<p><html><body><\/p>\n<div class=\"post_content\">\n<p style=\"text-align: justify;\"> <span style=\"font-size: 12px; line-height: 1.4;\">Post de la doctora <strong>Marta Garc\u00eda-Matos<\/strong>, redactora cient\u00edfica i organitzadora d&#8217;activitats divulgatives del Departament de Transfer\u00e8ncia Tecnol\u00f2gica i Coneixement de l&#8217;<a href=\"http:\/\/www.icfo.eu\/\" target=\"_blank\" rel=\"noopener noreferrer\">Institut de Ci\u00e8ncies Fot\u00f2niques (ICFO)<\/a>.<\/span><\/p>\n<p style=\"text-align: justify;\"> Un dimarts al\u00a0migdia, viatjant agafada a la barra del bus, imagino un repte: adre\u00e7ar-me als viatgers sobre la import\u00e0ncia de la ci\u00e8ncia i la tecnologia de la llum. Hi ha cinc cotxets de nad\u00f3 al passad\u00eds. \u00c9s dif\u00edcil passar al fons i algunes veus es queixen. Imagino que comen\u00e7o aix\u00ed: \u00a0<em>Fixeu-vos, la llum que entra pel finestral \u00e9s l&#8217;ingredient principal de la fotos\u00edntesi. La fotos\u00edntesi! La conversi\u00f3 de la llum en oxigen i aliments. El proc\u00e9s fonamental, inaugural, l&#8217;origen i la font de la vida. <\/em><\/p>\n<p style=\"text-align: justify;\"> Aquest comen\u00e7ament apunta directament al valor funcional de la llum com a energia que serveix per a molt m\u00e9s que per\u00a0il\u00b7luminar-nos. El seg\u00fcent pas \u00e9s m\u00e9s tra\u00efdor. He de dir que <em>aquesta energia\u00a0d&#8217;usos m\u00faltiples\u00a0viatja en uns paquets petits i indivisibles que es diuen \u00abfotons\u00bb<\/em>.<\/p>\n<p style=\"text-align: justify;\"> Mentrestant, a les converses reals, es pateix, es critica, es fan plans\u2026 Crec, per\u00f2, que podria contraatacar amb m\u00e9s realitat: <em>Gr\u00e0cies a la tecnologia de la llum l\u00e0ser podem manipular els fotons i fer-los servir en fonts d&#8217;energia neta, ter\u00e0pies i tractaments contra el c\u00e0ncer, sistemes de comunicaci\u00f3 o processos\u00a0industrials.<\/em> Arribo a la meva parada. Segueixo la gent cap a la sortida mentre valoro si el bus ofereix una veritable imatge de la societat a la qual he d&#8217;explicar, segons exigeix la meva feina, qu\u00e8 \u00e9s la ci\u00e8ncia de la llum i com treballa l&#8217;Institut de Ci\u00e8ncies Fot\u00f2niques (ICFO) per aprofundir en l&#8217;estudi de la llum i fer de la fot\u00f2nica l&#8217;eina del segle xxi.\u00a0<\/p>\n<p> <img decoding=\"async\" alt=\"\" src=\"https:\/\/blog.caixaresearch.org\/wp-content\/uploads\/2020\/04\/ca\/Post140115_1_ICFO_1.png\" style=\"width: 400px; height: 597px;\"\/><br \/> <span style=\"line-height: 1.4;\">Figura 1. Tecnologia l\u00e0ser \u00a9ICFO\/Lluis Montesdeoca.<\/span><\/p>\n<p style=\"text-align: justify;\"> Al carrer l&#8217;aire fresc em prepara per a la primera reuni\u00f3 del dia, en una escola de prim\u00e0ria. Per a la reuni\u00f3 de la tarda cal agafar el cotxe. A la r\u00e0dio discuteixen els veritables\u00a0interessos dels ciutadans. I si truco per parlar del potencial impacte del nou material anomenat graf\u00e8? Potser m&#8217;envien a la secci\u00f3 de ci\u00e8ncia, on sovint es parla amb una fascinaci\u00f3 que no s&#8217;apropa al que m&#8217;agradaria transmetre. <em>El graf\u00e8 \u00e9s un material amb propietats sorprenents que a l&#8217;ICFO estudien cinc grups de recerca<\/em><em>. Recentment, la Uni\u00f3 Europea va distingir com una de les tecnologies emergents del futur aquest material d&#8217;un \u00e0tom de gruix per\u00f2 molt resistent, transparent i conductor de l&#8217;electricitat que pot revolucionar l&#8217;electr\u00f2nica de consum, les comunicacions, les energies renovables i fins i tot l&#8217;arquitectura<\/em>.<\/p>\n<p> <em><img decoding=\"async\" alt=\"\" src=\"https:\/\/blog.caixaresearch.org\/wp-content\/uploads\/2020\/04\/ca\/Post140115_2_ICFO_2.png\" style=\"width: 400px; height: 600px;\"\/><\/em><br \/> <span style=\"line-height: 1.4;\">Figura 2. Proc\u00e9s de fabricaci\u00f3 del graf\u00e8 \u00a9ICFO.<\/span><\/p>\n<p style=\"text-align: justify;\"> Ja he arribat a la Biblioteca Central. La\u00a0bibliotec\u00e0ria\u00a0seu davant de mil prestatgeries on la hist\u00f2ria de la ci\u00e8ncia s&#8217;entrelliga amb la del pensament i l&#8217;art per oferir una veritable radiografia de cada \u00e8poca. <em>Aix\u00ed com les hist\u00f2ries de Dickens no tenen sentit sense la revoluci\u00f3 industrial, no t\u00e9 gaire sentit no saber quin llibre de la prestatgeria descriu els r\u00e0pids aven\u00e7os que envolten i afecten les nostres hist\u00f2ries. Des de 1960, la pres\u00e8ncia dels l\u00e0sers ha crescut fins a formar una part important de la vida. Ens operen,\u00a0escanegen i transmeten informaci\u00f3, tallen el fuselatge dels avions i escriuen a les closques dels ous. L&#8217;aven\u00e7 de la tecnologia permet un control encara m\u00e9s prec\u00eds sobre els fotons i la seva interacci\u00f3 amb la mat\u00e8ria. Ara \u00e9s possible l&#8217;observaci\u00f3 i manipulaci\u00f3 de teixits a escala nanosc\u00f2pica, cosa que \u00a0d\u00f3na a les ci\u00e8ncies de la salut unes eines inimaginables fa poc anys. Fins i tot comencem a controlar fen\u00f2mens qu\u00e0ntics, amb aplicacions a curt i mitj\u00e0 termini d&#8217;una teoria que tot just acaba de complir cent anys i que comen\u00e7a a poder ser ben entesa i integrada a la nostra vida.<\/em><\/p>\n<p> <em><img decoding=\"async\" alt=\"\" src=\"https:\/\/blog.caixaresearch.org\/wp-content\/uploads\/2020\/04\/ca\/Post140115_3_ICFO_3.png\" style=\"width: 400px; height: 428px;\"\/><\/em><br \/> <span style=\"line-height: 1.4;\">Figura 3. Mecanismes de transport intracel\u00b7lular. Impressi\u00f3 art\u00edstica \u00a9ICFO.<\/span><\/p>\n<p> Acabo contenta la jornada. Potser al proper cicle escolar organitzem amb l&#8217;escola i la biblioteca unes sessions per als m\u00e9s petits, on llegirem i parlarem de la import\u00e0ncia de la llum per a la societat.<\/p>\n<p> <strong>Informaci\u00f3 addicional<\/strong><br \/> <a href=\"http:\/\/www.youtube.com\/watch?v=e8mp5ywEwKc\" target=\"_blank\" rel=\"noopener noreferrer\">ICFO&#8217;s 10th Anniversary video (English)<\/a><br \/> <a href=\"http:\/\/www.youtube.com\/watch?v=dTSnnlITsVg\" target=\"_blank\" rel=\"noopener noreferrer\">V\u00eddeo sobre el graf\u00e8<\/a> (Introducing Graphene &#8211; Youtube \/ English)<\/p>\n<\/p><\/div>\n<p><\/body><\/html><\/p>\n","protected":false},"excerpt":{"rendered":"<\/p>\n<p style=\"text-align: justify;\"> Post de la doctora Marta Garc\u00eda-Matos, redactora cient\u00edfica i organitzadora d&#8217;activitats divulgatives del Departament de Transfer\u00e8ncia Tecnol\u00f2gica i Coneixement de l&#8217;<a href=\"http:\/\/www.icfo.eu\/\" target=\"_blank\" rel=\"noopener noreferrer\">Institut de Ci\u00e8ncies Fot\u00f2niques (ICFO)<\/a>.<\/p>\n<p style=\"text-align: justify;\"> Un dimarts al\u00a0migdia, viatjant agafada a la barra del bus, imagino un repte: adre\u00e7ar-me als viatgers sobre la import\u00e0ncia de la ci\u00e8ncia i la tecnologia de la llum. Hi ha cinc cotxets de nad\u00f3 al passad\u00eds. \u00c9s dif\u00edcil passar al fons i algunes veus es queixen. Imagino que comen\u00e7o aix\u00ed: \u00a0<em>Fixeu-vos, la llum que entra pel finestral \u00e9s l&#8217;ingredient principal de la fotos\u00edntesi. La fotos\u00edntesi! La conversi\u00f3 de la llum en oxigen i aliments. El proc\u00e9s fonamental, inaugural, l&#8217;origen i la font de la vida.<\/em><\/p>\n","protected":false},"author":1,"featured_media":3646,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[519],"tags":[],"class_list":["post-3066","post","type-post","status-publish","format-standard","hentry","category-investigacio"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La llum del segle XXI - Blog CaixaCi\u00e8ncia<\/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:\/\/blog.caixaresearch.org\/ca\/la-llum-del-segle-xxi\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La llum del segle XXI - Blog CaixaCi\u00e8ncia\" \/>\n<meta property=\"og:description\" content=\"Post de la doctora Marta Garc\u00eda-Matos, redactora cient\u00edfica i organitzadora d&#8217;activitats divulgatives del Departament de Transfer\u00e8ncia Tecnol\u00f2gica i Coneixement de l&#8217;Institut de Ci\u00e8ncies Fot\u00f2niques (ICFO). Un dimarts al\u00a0migdia, viatjant agafada a la barra del bus, imagino un repte: adre\u00e7ar-me als viatgers sobre la import\u00e0ncia de la ci\u00e8ncia i la tecnologia de la llum. Hi ha cinc cotxets de nad\u00f3 al passad\u00eds. \u00c9s dif\u00edcil passar al fons i algunes veus es queixen. Imagino que comen\u00e7o aix\u00ed: \u00a0Fixeu-vos, la llum que entra pel finestral \u00e9s l&#8217;ingredient principal de la fotos\u00edntesi. La fotos\u00edntesi! La conversi\u00f3 de la llum en oxigen i aliments. 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