Radio Invention in Urdu | Invention of Radio in Hindi by Guglielmo Marconi | Radio Kaisay Bana

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  • Опубликовано: 30 дек 2017
  • Radio Invention History in Hindi | Invention of Radio by Guglielmo Marconi in Urdu | Radio Ki Kahani by Imran Sherazi
    Guglielmo Marconi, (25 April 1874 - 20 July 1937) was an Anglo-Italian inventor and electrical engineer known for his pioneering work on long-distance radio transmission and for his development of Marconi's law and a radio telegraph system. He is usually credited as the inventor of radio and he shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun "in recognition of their contributions to the development of wireless telegraphy".
    In 1894 the young Guglielmo Marconi began working on the idea of building a commercial wireless telegraphy system based on the use of Hertzian waves (radio waves), a line of inquiry that he noted other inventors did not seem to be pursuing. Marconi read through the literature and used the ideas of others who were experimenting with radio waves but did a great deal to develop devices such as portable transmitters and receiver systems that could work over long distances, turning what was essentially a laboratory experiment into a useful communication system. By August 1895 Marconi was field testing his system but even with improvements he was only able to transmit signals up to one-half mile, a distance Oliver Lodge had predicted in 1894 as the maximum transmission distance for radio waves. Marconi raised the height of his antenna and hit upon the idea of grounding his transmitter and receiver. With these improvements the system was capable of transmitting signals up to 2 miles (3.2 km) and over hills. Marconi's experimental apparatus proved to be the first engineering-complete, commercially successful radio transmission system. Marconi’s apparatus is also credited with saving the 700 people who survived the tragic Titanic disaster.
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