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| The radio (Understood as radio or Broadcasting, Not strictly synonymous terms)1 is a media based on sending signals audio waves through radio although the term is also used for other forms of audio transmission distance and Internet radio. It is difficult to attribute the invention of the radio to a single person. Many countries are acknowledged paternity in local key: Aleksandra Stepanovich Popov made their first demos St. Petersburg, Russia; Nikola Tesla in San Luis (Missouri); Guglielmo Marconi in UK or major Julio Cervera in Spain.
In 1873 Scottish physicist James Clerk Maxwell formulated the theory of electromagnetic waves, which are the basis of the radio. In 1888 German physicist Heinrich Hertz discovered radio waves. In 1895 Italian Guglielmo Marconi built the first radio system, and 1901 able to send signals to the other side of Atlantic. The Spanish Julio Cervera Baviera, Who spent three months in 1898 in the private laboratory of Marconi's, according to research by a professor at the University of Navarra, the inventor of the radio before Marconi invented wireless telegraphy Cervera, but did not work on radio 1913, While Cervantes was the one who solved the problems of wireless telephony, what we know today as radio, to transmit the human voice-not-wireless signals between Alicante and Ibiza 1902, And came to register the patent in four countries: Spain, England, Germany and Belgium. |
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