#barretter — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #barretter, aggregated by home.social.
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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)