Have you ever enjoyed the serene opera music or some fast track groovy hip-hop beat on the radio? Remember those days when people keenly listened to the cricket commentary? The news of war and peace, natural disaster, and discoveries reached people in no time! The transmission of information was possible even to the bleak sections of society. All this was made possible by the invention of the radio. To trace the journey of the radio, let\u2019s drive down to the history of who invented the radio?<\/p>\n
Radio refers to an electronic device that helps in the transmission and reception of electromagnetic radiofrequency waves. It results in the production of audio that can be perceived by the human ear.<\/p>\n
Back then, a network of wires were used to transmit messages along with a range of distance. It is then that the idea of wireless message transmission came to the front. The investors were discovering a good source of communication to simplify the complexities.<\/p>\n
They attempted to build a transmitter based on electric conduction and induction. It led to the discovery of electromagnetic waves.<\/p>\n
Heinrich Rudolf Hertz discovered EM waves in the 1880s. Electromagnetic waves are synchronized oscillations of electric and magnetic fields that propagate at the speed of light. It took birth from the theory of electromagnetism developed by James Clerk Maxwell.<\/p>\n
These waves help in the transmission of the different forms of energy. The types of electromagnetic waves include radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays.<\/p>\n
During the mid-1890s, physicists just started to use the study of electromagnetic waves. In the later phases, the famous physicist Guglielmo Marconi developed the first apparatus for long-distance radio communication.<\/p>\n
After that, the Canadian inventor Reginald A. Fessenden transmitted audio signals using electromagnetic waves over a distance of about 1.6 km.<\/p>\n
On Christmas Eve of 1906, he conducted the first-ever public radio broadcast. Then, by 1910 these wireless systems referred to as \u2018radio.\u2019<\/p>\n
FM radio stands for frequency-modulated radio. Edwin Howard Armstrong invented the FM radio in 1933. It advanced the quality of the audio signal of radio by controlling noise static caused by the equipment and atmosphere.<\/p>\n
Later in 1965, the first master FM antenna system designed to allow multiple FM stations to broadcast simultaneously from a single source. The system was installed in the Empire State Building in New York City.<\/p>\n
Through the revolution of radio, the mode of communication advanced, and the transmission of information got faster and better.<\/p>\n
As a student, one needs to get well-versed with the discoveries and theories of communication. We can help you with all the relatable communication topics.<\/p>\n","protected":false},"excerpt":{"rendered":"
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