Resultado da Busca
The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy".
Learn about the origins and development of radio, a form of mass media and sound communication by radio waves. Explore the history of radio programming and broadcasting around the world from 1906 to the present.
- Radio is sound communication by radio waves, usually through the transmission of music, news, and other types of programs from single broadcast sta...
- Efforts were made to use radio in World War I, but the technology proved unreliable. Wireless sets were available in battlefield trenches, where th...
- Radio waves are located at the low-frequency end of the electromagnetic spectrum, beneath gamma rays, X-rays, ultraviolet light, visible light, inf...
- The first practical wireless radio communication system was developed in Italy by Guglielmo Marconi. Marconi built on the mathematics of physicist...
1 de fev. de 2024 · Learn how radio evolved from wireless telegraphy to internet radio in this comprehensive timeline. Discover the key inventors, events, and milestones that shaped the history of radio from 1900 to 2023.
The invention of radio communication was preceded by many decades of establishing theoretical underpinnings, discovery and experimental investigation of radio waves, and engineering and technical developments related to their transmission and detection.
A invenção do rádio é atribuída ao italiano Guglielmo Marconi, mas o instrumento reúne uma série de descobertas anteriores. No Brasil, a primeira transmissão ocorre em 1923, por Edgard Roquete Pinto e Henry Morize. O rádio é a união de três tecnologias: a telegrafia,...
- Professora Licenciada em Letras
4 de out. de 2023 · Learn about the origins and evolution of radio technology, from Marconi's wireless telegraphy to Tesla's remote control devices. Discover how radio transformed communication and entertainment worldwide.
Although its translation of the 1906 Berlin Convention used the terms wireless telegraph and wireless telegram, by 1912 it began to promote the use of radio instead. The term started to become preferred by the general public in the 1920s with the introduction of broadcasting.
