Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Invention_of_radio> ?p ?o }
- Invention_of_radio abstract "Many people were involved in the invention of radio in its current form. Experimental work on the connection between electricity and magnetism began around 1820 with the work of Hans Christian Ørsted, and continued with the work of André-Marie Ampère, Joseph Henry, and Michael Faraday. These investigations culminated in a theory of electromagnetism developed by James Clerk Maxwell, which predicted the existence of electromagnetic waves.Maxwell published A Treatise on Electricity and Magnetism in 1873, stimulating many people to experiment with wireless communication. Others experimented without the benefit of his theories. It is considered likely that the first intentional transmission of a signal by means of electromagnetic waves was performed by David Edward Hughes around 1880, although this was considered to be induction at the time. The first systematic and unequivocal transmission of EM waves was performed by Heinrich Rudolf Hertz and described in papers published in 1887 and 1890. Hertz famously considered these results as being of little practical value.After Hertz's work many people were involved in further development of the electronic components and methods to improve the transmission and detection of electromagnetic waves. Around the turn of the 20th century Guglielmo Marconi, developed the first apparatus for long distance radio communication. Reginald A. Fessenden became the first to send audio (wireless telephony) by means of electromagnetic waves in 1907. By 1910 these systems had come to be referred to by the common name "radio".".
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- Invention_of_radio wikiPageWikiLink A_Dynamical_Theory_of_the_Electromagnetic_Field.
- Invention_of_radio wikiPageWikiLink A_Treatise_on_Electricity_and_Magnetism.
- Invention_of_radio wikiPageWikiLink Adam_Stein,_Jr..
- Invention_of_radio wikiPageWikiLink Admiralty.
- Invention_of_radio wikiPageWikiLink Akhand_Bharat.
- Invention_of_radio wikiPageWikiLink Alessandro_Volta.
- Invention_of_radio wikiPageWikiLink Alexander_Graham_Bell.
- Invention_of_radio wikiPageWikiLink Alexander_Muirhead.
- Invention_of_radio wikiPageWikiLink Alexander_Popov_(physicist).
- Invention_of_radio wikiPageWikiLink Alexander_Stepanovich_Popov.
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- Invention_of_radio wikiPageWikiLink André-Marie_Ampère.
- Invention_of_radio wikiPageWikiLink Antenna_(radio).
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- Invention_of_radio wikiPageWikiLink Atmospheric_electricity.
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- Invention_of_radio wikiPageWikiLink Ballycastle,_County_Antrim.
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- Invention_of_radio wikiPageWikiLink Category:Articles_which_contain_graphical_timelines.
- Invention_of_radio wikiPageWikiLink Category:Discovery_and_invention_controversies.
- Invention_of_radio wikiPageWikiLink Category:History_of_electronic_engineering.
- Invention_of_radio wikiPageWikiLink Category:History_of_radio.