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Ruling the airwaves Updated: Updated: February 13, 2021 11:12 IST February 13 is World Radio Day. Take a trip down memory lane to see how the device became the powerhouse it is now. Share Article Guglielmo Marconi   February 13 is World Radio Day. Take a trip down memory lane to see how the device became the powerhouse it is now. You may think a radio is old fashioned and out of date but it’s an example of technology that’s never gone out of use. Take a look at how it came to be what it is today. The radio was one of the first modes of ‘wireless’ communication. The term ‘radio’ actually refers to the technology of using radio waves to carry information but, over time, began to be applied to the device itself. The technology for the electric telegraph and telephone, which were developed earlier, helped develop the radio.

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