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      <title>Principales inventos de las tecnologías de la información y la comunicación     by Ariadna Bayona Alvarez</title>
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      <pubDate>2021-09-20 13:43:43 UTC</pubDate>
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         <title>1000 a. C. Primer servicio postal</title>
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         <pubDate>2021-09-20 13:53:50 UTC</pubDate>
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         <title>776 a. C. Palomas mensajeras</title>
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         <pubDate>2021-09-20 14:03:42 UTC</pubDate>
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         <title>1400 Imperio incaico El chasqui</title>
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         <pubDate>2021-09-20 14:06:39 UTC</pubDate>
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         <title>1430 Imprenta</title>
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         <pubDate>2021-09-20 19:32:46 UTC</pubDate>
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         <title>1830 (EE. UU.)El telégrafo</title>
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         <pubDate>2021-09-20 22:24:44 UTC</pubDate>
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         <title>1854  Meucci inventa el primer teléfono: una línea para transmitir voz a través de un cable eléctrico.</title>
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         <pubDate>2021-09-20 22:27:20 UTC</pubDate>
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         <title>1860 Descubrimiento de las ondas de radio</title>
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         <pubDate>2021-09-20 22:29:21 UTC</pubDate>
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         <title>1885 Hertz (Alemania)descubre onda selectromagnéticas,lo que permite comunicarse sin cables.</title>
         <author>alvarezbayonariadna071</author>
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         <pubDate>2021-09-20 22:31:22 UTC</pubDate>
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         <title> 1926 John Logia Baird (Inglaterra) realizó la primera transmisión en una pantalla de televisión.</title>
         <author>alvarezbayonariadna071</author>
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         <pubDate>2021-09-20 22:33:29 UTC</pubDate>
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         <title>1950 Lanzamiento de los primeros satélites de comunicaciones al espacio</title>
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         <pubDate>2021-09-20 22:35:23 UTC</pubDate>
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         <title>1960 (EE. UU.) La internet</title>
         <author>alvarezbayonariadna071</author>
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         <pubDate>2021-09-20 22:38:49 UTC</pubDate>
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         <title>Nariden Singh(china)usó fibra de vidrio larga, cubierta en plástico, como un elemento transmisor más rápido de datos.</title>
         <author>alvarezbayonariadna071</author>
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         <pubDate>2021-09-20 22:40:09 UTC</pubDate>
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         <title>1973Cooper hace la primera llamada desde un teléfono móvil, que pesaba 800 gramos, por eso se le llamaba celular “ladrillo”.</title>
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         <pubDate>2021-09-20 22:41:29 UTC</pubDate>
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         <title>2021  Los teléfonos plegables serán reemplazados por teléfonos de pantalla extensible</title>
         <author>alvarezbayonariadna071</author>
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         <pubDate>2021-09-20 22:42:28 UTC</pubDate>
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