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Word Count: 2,127
The system of producing onscreen images of distant objects and events by electromagnetic radiation Oxford 1992111 or as its more commonly referred to as television is the most widely used mass media form in Australia and in the world Television is one of our most important means of communication It brings moving pictures and sounds from around the world into millions of peoples homes In Britain in 1950 10 of homes had TV sets Thompson 1997 2841 Today about 99 of Australians own at least one television set and on average they spend over 20 hours a weekwatching television programs Cunningham Turner 2002173 The sheer amount of time that TV occupies in peoples lives points to its importance so its bound to have its affects on culture as well as be affected by it Many scientists contributed to the development of television so no one person can be called its inventor Television became possible in the 1800s when people learned how to send communication signals through the air as electromagnetic waves The first radio operators sent code signals through the air By the early 1900s it was possible for operators to transmit words In the meantime many scientists had done experiments involving the transmission of pictures It was in the year of 1884 that Paul Gottlieb Nipkow of Germany invented a scanning device that sent pictures over short distances The distinctive feature of Nipkows system was the rotating disk that provided a simple and effective method of image scanning His system however worked electronically unlike mechanically which is the way television works today World Book 2002125 In 1897 KF Braun of Germany had introduced a cathode-ray tube with a fluorescent screen that is a screen that produced visible light when struck by a beam of electrons In 1908 came a most remarkable contribution by the Scottish electrical engineer AA Campbell Swinton who outlined a method that is the basis of modern television
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