{"id":820,"date":"2008-01-16T23:46:00","date_gmt":"2008-01-16T21:46:00","guid":{"rendered":"http:\/\/www.alpoma.net\/tecob\/?p=820"},"modified":"2008-01-16T23:49:24","modified_gmt":"2008-01-16T21:49:24","slug":"construyendo-una-valvula-triodo","status":"publish","type":"post","link":"https:\/\/alpoma.net\/tecob\/?p=820","title":{"rendered":"Construyendo una v\u00e1lvula triodo"},"content":{"rendered":"<p>Tras la cena, revisando y tirando a la papelera unos cuantos cientos de <em>feeds<\/em>, el siempre sorprendente <strong><a href=\"http:\/\/colgadotel.blogspot.com\/2008\/01\/fabricacin-de-una-vlvula-triodo.html\">Muxfin<\/a> <\/strong>me ha hecho saltar de la silla. La causa, \u00e9ste <strong>delicioso v\u00eddeo<\/strong> sobre la construcci\u00f3n \u00abcasera\u00bb de una v\u00e1lvula (l\u00e1mpara) <strong><a href=\"http:\/\/es.wikipedia.org\/wiki\/Triodo\">triodo<\/a><\/strong>:<br \/>\n<strong><br \/>\n<a href=\"http:\/\/dailymotion.alice.it\/video\/x3wrzo_fabrication-dune-lampe-triode_tech\" class=\"enlaces\">DailyMotion | Fabrication d\u00b4une lampe triode<\/a><\/strong><\/p>\n<p>Toda una obra de arte. <\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Tras la cena, revisando y tirando a la papelera unos cuantos cientos de feeds, el siempre sorprendente Muxfin me ha hecho saltar de la silla. La causa, \u00e9ste delicioso v\u00eddeo <a class=\"mh-excerpt-more\" href=\"https:\/\/alpoma.net\/tecob\/?p=820\" title=\"Construyendo una v\u00e1lvula triodo\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-820","post","type-post","status-publish","format-standard","hentry","category-obsolescencia"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p93Dc1-de","jetpack-related-posts":[{"id":8545,"url":"https:\/\/alpoma.net\/tecob\/?p=8545","url_meta":{"origin":820,"position":0},"title":"Espectrales v\u00e1lvulas de mercurio","author":"alpoma","date":"8 octubre 2013","format":false,"excerpt":"Quien no sepa qu\u00e9 son, seguro que no encontrar\u00eda raro ver una de estas maravillas de la tecnolog\u00eda en un decorado propio de una pel\u00edcula de ciencia ficci\u00f3n. \u00bfEs un n\u00facleo de curvatura warp? \u00bfUn sintetizador de antimateria? No, nada de eso, se trata de a\u00f1ejas v\u00e1lvulas de mercurio que\u2026","rel":"","context":"En \u00abObsolescencia\u00bb","block_context":{"text":"Obsolescencia","link":"https:\/\/alpoma.net\/tecob\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2013\/10\/Mercury-Arc-Rectifier.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":11769,"url":"https:\/\/alpoma.net\/tecob\/?p=11769","url_meta":{"origin":820,"position":1},"title":"Rayas y puntos en el cielo","author":"alpoma","date":"15 noviembre 2015","format":false,"excerpt":"Esta imagen fue tomada hace poco m\u00e1s de un siglo1... No es muy buena, pero es la mejor que he podido encontrar para ilustrar el tema de las se\u00f1ales morse realizadas desde aviones al comienzo de la Gran Guerra. En los Estados Unidos, all\u00e1 por 19122, ya le hab\u00edan estado\u2026","rel":"","context":"En \u00abObsolescencia\u00bb","block_context":{"text":"Obsolescencia","link":"https:\/\/alpoma.net\/tecob\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2015\/11\/aerotubo_tecob_1914.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2015\/11\/aerotubo_tecob_1914.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2015\/11\/aerotubo_tecob_1914.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":14913,"url":"https:\/\/alpoma.net\/tecob\/?p=14913","url_meta":{"origin":820,"position":2},"title":"La ag\u00f3nica odisea del submarino S-5 (1920)","author":"alpoma","date":"28 enero 2020","format":false,"excerpt":"En la historia de los rescates navales, sobre todo en los casos de submarinos, no son frecuentes aquellos hundimientos en los que toda la tripulaci\u00f3n pueda contarlo con vida. El caso el submarino estadounidense S-5 es uno de los m\u00e1s asombrosos casos de naufragio de un veh\u00edculo sumergible que, tras\u2026","rel":"","context":"En \u00abObsolescencia\u00bb","block_context":{"text":"Obsolescencia","link":"https:\/\/alpoma.net\/tecob\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2020\/01\/s-5-rescate.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2020\/01\/s-5-rescate.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2020\/01\/s-5-rescate.png?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":10067,"url":"https:\/\/alpoma.net\/tecob\/?p=10067","url_meta":{"origin":820,"position":3},"title":"La m\u00e1quina de buceo de Klingert (1797)","author":"alpoma","date":"5 septiembre 2014","format":false,"excerpt":"Repasando la historia de la tecnolog\u00eda de buceo, sorprende ver c\u00f3mo se sucedieron los proyectos para desarrollar m\u00e1quinas capaces de ofrecer la capacidad de respiraci\u00f3n bajo el agua con seguridad a lo largo de varios siglos. Se cuentan por decenas los intentos documentados desde el siglo XV. He ah\u00ed, por\u2026","rel":"","context":"En \u00abGeneral\u00bb","block_context":{"text":"General","link":"https:\/\/alpoma.net\/tecob\/?cat=1"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2014\/09\/Klingert.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2014\/09\/Klingert.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2014\/09\/Klingert.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]},{"id":837,"url":"https:\/\/alpoma.net\/tecob\/?p=837","url_meta":{"origin":820,"position":4},"title":"Elisa Garnerin, pionera del paracaidismo","author":"alpoma","date":"16 febrero 2008","format":false,"excerpt":"Esta tarde, maquetando el primer n\u00famero de El Viaje de Argos, ezine del que comentar\u00e9 m\u00e1s detalles en breve, me he reencontrado con una pionera del aire. Mientras repasaba un art\u00edculo de Carlos Canales dedicado a varios pioneros de la aerostaci\u00f3n, apareci\u00f3 una breve referencia a Elisa Garnerin: Esta audaz\u2026","rel":"","context":"En \u00abObsolescencia\u00bb","block_context":{"text":"Obsolescencia","link":"https:\/\/alpoma.net\/tecob\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2008\/02\/2268000140_14c93753b1_o.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":4271,"url":"https:\/\/alpoma.net\/tecob\/?p=4271","url_meta":{"origin":820,"position":5},"title":"Hombres de vapor","author":"alpoma","date":"1 marzo 2011","format":false,"excerpt":"Cada \u00e9poca tiene su tecnolog\u00eda favorita o, al menos, un conjunto de t\u00e9cnicas sobre las que se centran muchas esperanzas y miedos. A lo largo del siglo XIX el vapor fue el protagonista absoluto y, c\u00f3mo no, en la imaginaci\u00f3n encontr\u00f3 un ambiente propicio para extender su influencia. Se imagin\u00f3\u2026","rel":"","context":"En \u00abObsolescencia\u00bb","block_context":{"text":"Obsolescencia","link":"https:\/\/alpoma.net\/tecob\/?cat=3"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2011\/03\/5486640845_69a64f8641_o.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2011\/03\/5486640845_69a64f8641_o.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/alpoma.net\/tecob\/wp-content\/uploads\/2011\/03\/5486640845_69a64f8641_o.jpg?resize=525%2C300&ssl=1 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=\/wp\/v2\/posts\/820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=820"}],"version-history":[{"count":0,"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=\/wp\/v2\/posts\/820\/revisions"}],"wp:attachment":[{"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/alpoma.net\/tecob\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}