A radio is a very useful invention that allows sounds to be heard on different frequencies. Most people have radios in their cars. But when was the radio invented? This post will answer that question and then tell you a few interesting facts about radios.
When was the radio invented?
While it is debated by many historians, most people believe that the radio was invented in 1896 by Italian electrical engineer Guglielmo Marconi. Marconi improved on many previous designs and made the first radio that really worked and was commercially viable. Therefore, he is credited as the inventor.
Interesting facts about radio
- Originally, radio was called ‘wireless technology’. This was eventually shortened to ‘wireless’ by the British. The word ‘radio’ became popular in the early 1910′s.
- Radio waves are ‘non-ionizing radiation’. Other types of non-ionizing radiation include microwaves, visible light waves and infrared waves.
- Microwaves use very intense radio waves to heat food.
- Amateur (or ham radio) is a hobby where radio enthusiasts are licensed to communicate (send and receive messages) on different radio frequencies. Ham radio operators have actually helped save the lives of many people when they have overheard messages from emergency services (such as police and ambulances).
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