General knowledge refresher published this article page no 37the radio, invented by italian electrical engineer guglielmo marconi in the 1890s, is an important means of communication to educate, entertain and inform. it is a fast, easily accessible and cheap way of reaching a large number of people including remote areas. world radio day is honored with special activities such as broadcasts, community events, awards, debates organized by radio stations and other organizations general knowledge refresher magazine subscription.
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