#fessenden — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #fessenden, aggregated by home.social.
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In 1912, Reginald Fessenden demonstrated the first successful sonar. #Poetry #Science #History #Electrodynamics #Sonar #Fessenden (https://sharpgiving.com/thebookofscience/items/p1912b.html)
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1906: AM broadcasting - The book of science - In 1906, Reginald Fessenden made the first AM radio broadcast of voice and music. #Poetry #Science #History #Electromagnetism #AMRadio #Fessenden (https://sharpgiving.com/thebookofscience/items/p1906c.html)
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In 1902, Reginald Fessenden invented the hot wire barretter based on an effect discovered by Humphry Davy in 1821. #Poetry #Science #History #Electromagnetism #Barretter #Fessenden (https://sharpgiving.com/thebookofscience/items/p1902b.html)
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In 1901, Reginald Fessenden invented heterodyning for combining frequencies, the basis of AM radio transmission. #Poetry #Science #History #Electromagnetism #Heterodyne #Fessenden (https://sharpgiving.com/thebookofscience/items/p1901b.html)
