{"id":28986,"date":"2026-08-02T04:58:54","date_gmt":"2026-08-02T03:58:54","guid":{"rendered":"http:\/\/www.emiliosilveravazquez.com\/blog\/?p=28986"},"modified":"2026-08-02T04:58:21","modified_gmt":"2026-08-02T03:58:21","slug":"los-nuevos-conocimientos","status":"publish","type":"post","link":"http:\/\/www.emiliosilveravazquez.com\/blog\/2026\/08\/02\/los-nuevos-conocimientos\/","title":{"rendered":"Los nuevos conocimientos"},"content":{"rendered":"<p><iframe loading=\"lazy\" title=\"Este Espa\u00f1ol Ha Revolucionado los Materiales Cu\u00e1nticos\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/zn4B5nBAhJA?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<p style=\"text-align: justify;\"><strong>El universo de lo muy peque\u00f1o es fascinante<\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>Nos queda mucho por descubrir y el mundo de la f\u00edsica no deja de experimentar para llegar a conocer los secretos que, profundamente, la Naturaleza esconde. Veamos y escuchemos lo que nos dicen en el video y, algo m\u00e1s sabios seremos al final.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/diarioversionfinal.com\/wp-content\/uploads\/2022\/04\/21475r41454.gif\" alt=\"NASA y SpaceX fijan una nueva fecha de despegue de la Crew-4: el 23 de  abril - Diario Versi\u00f3n Final\" \/><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Lo cierto res que, en algunos aspectos estamos muy atrasados, por ejemplo en el combustrible que utilizamos para enviar cohets al Espacio: <span data-subtree=\"aimfl,mfl\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"yADgie\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Los cohetes utilizan principalmente combustibles l\u00edquidos (Nir\u00f3geno, Querosno o metano) combinados con ox\u00edgeno l\u00edquid <\/span><\/span><span class=\"yADgie\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">para crear la combusti\u00f3n. Tambi\u00e9n emplean <\/span><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"yADgie\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">propulsores s\u00f3lidos<\/span><!--TgQPHd|||[]--><\/strong><span class=\"yADgie\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"> en cohetes auxiliares para el despegue. Como necesitan quemar sus propios componentes en el vac\u00edo, siempre llevan el combustible junto con su propio oxidante.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"\" src=\"https:\/\/pbs.twimg.com\/media\/FDbo0NHWUAAiy1i.jpg\" alt=\"Frontera Espacial on X: &quot;NUEVA INFOGRAF\u00cdA  La Ecuaci\u00f3n del Cohete de  Tsiolkovsky describe el movimiento de los veh\u00edculos que se pueden aplicar  una aceleraci\u00f3n a s\u00ed mismos. https:\/\/t.co\/gR1jdJvMlR&quot; \/ X\" width=\"635\" height=\"847\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>El peso del combustible necesario para despegar y salir de la Tierra unido al que se necesita para el resto del viaje, hace que las cosas sean bastante complicadas, la tirtan\u00eda de la ecuaci\u00f3n del cohete (arriba en la imagen), complica mucho las cosas para que podamos realizar viajes espaciales de verdad, con naves de verdad que despeguen de manera silenciosa, sin soltar esas chorros de humo, sin peligro de una fuga que haga enviarlo todo al garete (como ya ha pasado).<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/encrypted-tbn0.gstatic.com\/images?q=tbn:ANd9GcQIGjo6NHJmBcAtKKZAfIsA0fiUwZR0aGguXhsUKYIi7oOuEqgpbxK4fFA&amp;s=10\" alt=\"Accidentes mortales de la NASA #accidente #cohete #espacio #nasa  #muerte#challenger #apollo #columbia\" \/><\/p>\n<p style=\"text-align: center;\"><strong>El accidente del Challenger y del Columbia (1986)<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Hasta donde puedo saber, el Uranio <\/strong>es un material fisionable. <strong>1 kg<\/strong> de uranio utilizado en un reactor nuclear equivale aproximadamente a la energ\u00eda de <strong>10.000 kg de petr\u00f3leo. <\/strong>Es l\u00f3gico pensar que por este m\u00e9todo se pudiera conseguir energ\u00eda m\u00e1s positiva para mover grandes naves evitando la dichosa ecuaci\u00f3n que obliga a transportar un peso imposible para que la nave se mueva.<\/p>\n<p>&nbsp;<\/p>\n<blockquote><p><img decoding=\"async\" loading=\"lazy\" class=\"\" src=\"https:\/\/www.iaea.org\/sites\/default\/files\/2026-03\/que-es-uranio.jpg\" alt=\"Qu\u00e9 es el uranio? | IAEA\" width=\"570\" height=\"320\" \/><\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span data-subtree=\"aimfl,mfl\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Todav\u00eda no sabemos como conseguir obtener la energ\u00eda de la masa s\u00f3lida (bueno, con la bomba at\u00f3mica lo consuieron), es totalmente correcto que,\u00a0 seg\u00fan la famosa ecuaci\u00f3n de equivalencia entre masa y energ\u00eda de Albert <a href=\"#\" onclick=\"referencia('einstein',event); return false;\">Einstein<\/a>,\u00a0 \u00a0<strong>E = mc<sup>2 <\/sup><\/strong><\/span>un solo gramo de materia encierra una cantidad colosal de energ\u00eda. En concreto, la energ\u00eda contenida en 1 gramo de cualquier material se calcula de la siguiente manera:<!--TgQPHd|||[]--><\/p>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwjWwdHDg4GWAxXKdUEAHcz8FgMQi4wTegoIAggACAAIBxAB\" data-hveid=\"CAIIAAgACAcQAQ\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<blockquote>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwjWwdHDg4GWAxXKdUEAHcz8FgMQi4wTegoIAggACAAIBxAB\" data-hveid=\"CAIIAAgACAcQAQ\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<ul>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgACAcQAg\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Masa (m\\):<!--TgQPHd|||[]--><\/strong> 0,001 kg<!--TgQPHd|||[]--><\/span><!--TgQPHd|||[]--><\/li>\n<\/ul>\n<\/div>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwjWwdHDg4GWAxXKdUEAHcz8FgMQi4wTegoIAggACAAIBxAF\" data-hveid=\"CAIIAAgACAcQBQ\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<ul>\n<li class=\"Z1qcYe\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgACAcQBg\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><span class=\"iNqyIf\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">Velocidad de la luz\u00a0 c:<!--TgQPHd|||[]--><\/strong> approximadamente 300.000 Km\/s.<!--TgQPHd|||[]--><\/span><!--TgQPHd|||[]--><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul>\n<li data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgACAcQBg\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><strong>Aplicando la f\u00f3rmula:<\/strong><\/li>\n<li data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgACAcQBg\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px 0px 12px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">E = 0,0011 Kg. x (3 x\u00a0 10<sup>8\u00a0<\/sup> m\/s<sup>2\u00a0<\/sup>= 90.000.000.000.000.000 julios.<\/li>\n<\/ul>\n<\/div>\n<ul class=\"KsbFXc U6u95\" data-sfc-root=\"ep\" data-ved=\"2ahUKEwjWwdHDg4GWAxXKdUEAHcz8FgMQ-7AUegoIAggACAAIBxAA\" data-hveid=\"CAIIAAgACAcQAA\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><!--TgQPHd|||[]--><\/ul>\n<\/blockquote>\n<\/div>\n<p style=\"text-align: justify;\">Esto equivale a unos <strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">90 billones de julios<!--TgQPHd|||[]--><\/strong>, lo que supone una energ\u00eda comparable a la explosi\u00f3n de aproximadamente <strong class=\"rQesXe MPyX\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-complete=\"true\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 700; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">21 kilotones de TNT<!--TgQPHd|||[]--><\/strong> (similar a la bomba at\u00f3mica &#8220;Fat Man&#8221; lanzada sobre Nagasaki) o a la energ\u00eda que genera una central nuclear moderna funcionando durante varios d\u00edas.<\/p>\n<p style=\"text-align: justify;\">Si supi\u00e9ramos utilizar esta clase de energ\u00eda del combustible s\u00f3lido, los (supuestos) viajes espaciales, ser\u00edan m\u00e1splausibles. Aunque de todas las maneras lo tendremos crudo para viajar al Espacio de verdad.<\/p>\n<p><strong>Emilio Silvera V.<\/strong><\/p>\n<div class=\"\" data-bfc=\"\" data-ved=\"2ahUKEwjIv9De_4CWAxUCWqQEHcECNiEQi4wTegoIAggACAAIBxAK\" data-hveid=\"CAIIAAgACAcQCg\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\">\n<div class=\"n6owBd awi2gc\" data-sfc-cp=\"\" data-sfc-root=\"ep\" data-hveid=\"CAIIAAgACAcQCw\" data-copy-service-computed-style=\"font-family: &quot;Google Sans&quot;, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 12px 0px 16px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);\"><\/div>\n<\/div>\n<div class='bookmark'>\r\n\t\t<table align='left' border='0' cellpadding='0' width='100%'>\r\n\t\t<tr><td><span class='pushbutton'><a href='http:\/\/delicious.com\/post?url=http%3A%2F%2Fwww.emiliosilveravazquez.com%2Fblog%2F2026%2F08%2F02%2Flos-nuevos-conocimientos%2F&amp;title=Los+nuevos+conocimientos' title='Delicious' target='_blank' rel='nofollow'><img src='http:\/\/www.emiliosilveravazquez.com\/blog\/wp-content\/plugins\/knxdt-bookmarks-wordpress-plugin\/images\/delicious.png'  alt='' class='book_img' border='none' style='margin:1px; 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