{"id":2075,"date":"2007-08-14T00:00:00","date_gmt":"2007-08-14T00:00:00","guid":{"rendered":"https:\/\/newsroom.ferrovial.com\/news\/pantallas-blancas-o-negras\/"},"modified":"2022-12-21T11:53:45","modified_gmt":"2022-12-21T10:53:45","slug":"pantallas-blancas-o-negras","status":"publish","type":"new","link":"https:\/\/newsroom.ferrovial.com\/es\/noticias\/pantallas-blancas-o-negras\/","title":{"rendered":"\u00bfPantallas blancas o negras?"},"content":{"rendered":"    <section class=\"wysiwyg text-editor \" id=\"\">\n        <div class=\"container container--narrow container--p-10\">\n            <p>Seguramente te habr\u00e1n llegado ecos del debate de moda: saber si las pantallas con fondo negro son m\u00e1s eficientes en el consumo de energ\u00eda que las que muestran un fondo blanco. El caso no merecer\u00eda ser citado sino fuera por la proporci\u00f3n que alcanzan las cifras. El ejemplo m\u00e1s citado es Google, que con 200 millones de consultas diarias, y asumiendo un tiempo en pantalla promedio para cada consulta de 10 segundos, arrojar\u00eda un total de 550.000 horas de pantallas blancas cada d\u00eda, en cualquier cualquier ordenador del mundo.<\/p>\n<p>Los datos hablasn de ahorros importantes en consumo de energ\u00eda el\u00e9ctrica: Un Google negro, podr\u00eda ahorrar 750 MW\/a\u00f1o. Muestra de ello es Blacke, una altrenativa para navegar con Google. En su p\u00e1gina informan sobre cuanta energ\u00eda dicen haber ahorrado (145,507.079 W\/hora, en el momento de mi consulta) Pero lo cierto es que a\u00fan hay mucha consfusi\u00f3n al respecto<\/p>\n<p>Los que defienden las pantallas blancas se apoyan en el hecho de que existen muchas m\u00e1s pantallas LCD que CRT (en torno al 75%) en el mundo y que, en esta tecnolog\u00eda, lo natural y m\u00e1s econ\u00f3mico es mostrar una pantalla blanca, puesto que se trata, en todos los casos, de un cristal retroiluminado (mostrar una pantalla negra requer\u00eda bloquear de alg\u00fan modo la luz, y esto supondr\u00eda algo de energ\u00eda extra).<\/p>\n<p>Los que defienden las pantallas negras mantienen que el ahorro energ\u00e9tico que se produce cambiando de color (15W\/h) multiplicado por el 25% de los ordenadores que las tienen, sigue valiendo la pena.<\/p>\n<p>\u00bfQui\u00e9n tiene raz\u00f3n? Es f\u00e1cil de averiguar. Basta conectar tres monitores LCD y uno con tecnolog\u00eda CRT en la misma toma el\u00e9ctrica y registrar el consumo, primero navegando todos con p\u00e1ginas blancas y luego navegando con las negras. (Para el que quiera ahorrarse la prueba: el consumo global navegando con fondos negros es menor)\u00a0<\/p>\n        <\/div>\n    <\/section>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":67,"featured_media":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","nivel-2":[936],"nivel-5":[],"nivel-1":[],"nivel-3":[],"nivel-4":[],"class_list":["post-2075","new","type-new","status-publish","hentry","nivel-2-conservacion-del-medio-ambiente"],"acf":[],"yoast_head":"<title>\u00bfPantallas blancas o negras? 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