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El telegrafo: The Telegraph
By Harrison Dugar -
El codigo Morse: Morse Code
By: Samuel Morse -
La Maquina de escribir: Type writer
By: Samuel Latham Sholes Carlos Glidden -
La Primera Pelicula con Sonido: The first movie with sound
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La Pluma: Pen
By: L.E. Waterman -
El Televisor: The TV
By: John Loqie Baird -
El Walkie Talkie: Walkie Talkie
By: Dr. Martin Cooper -
El Televisior de color: Color TV
By: Guillermo Gonzales Camerena -
El telefono movil: Mobile phone
By: Dr. Martin Cooper
