A Pre-History of Radio (Part One)

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A Pre-History of Radio (Part One)

Join historian Alex Magoun on a journey through the history of radio technology from James Clark Maxwell’s theory of electromagnetism to Guglielmo Marconi's use of that theory in long-distance radio…

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A Pre-History of Radio (Part Two)

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A Pre-History of Radio (Part Two)

Continue on the historical journey of the radio industry with historian Alex Magoun as he goes back in time and shares how engineers and scientists improved wireless telegraphy from Morse code to the …

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Crystal Radio

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Crystal Radio

Like game consoles and smartphones today, radios in the 1920s were expensive. Fortunately for teens back then, they could build radio receivers using cheap parts found at home and hardware stores. Wat…

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Radio

Inquiry Unit

Radio

The invention of wireless telegraphy-radio-at the end of the 19th century by Marconi and others made it possible to communicate with anyone, anywhere, around the globe. It soon became apparent, howeve…

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David Sarnoff Diary Entry, 3/26/1911

Primary Source

David Sarnoff Diary Entry, 3/26/1911

Radio Inquiry Unit

Radio Inquiry Unit - Supporting Question 2C "Page from David Sarnoff’s diary on board the Job Brothers’ sealhunting ship, the Beothic, in which he describes his relaying the dialogue between th…

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Biography of Guglielmo Marconi

Primary Source

Biography of Guglielmo Marconi

Radio Inquiry Unit

Radio Inquiry Unit IEEE Biography of Guglielmo Marconi "Marconi was born in Italy in 1874 to Giuseppe and Annie Jameson Marconi. His father was a prosperous Italian landowner and his mother was…

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