Kathy Joseph

Reginald Fessenden & the Physics of the First Radio Broadcast

In 1899, a temperamental Canadian scientist had a vision that speech and music could be sent by wireless.  It took him seven years but in November of 1906, Reginald Fessenden sent wireless music and speech for over 10 miles where, “the sound was perfect”.  Ready for the story of how modern radio began?  Let’s go! …

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The Birth of a Wireless Telegraph Empire

According to many people, Guglielmo Marconi invented the wireless telegraph.  In fact, his name was so joined with wireless telegraphs that for many years’ telegraphs were called Marconigrams.  However, he wasn’t the first to make wireless transmissions nor did he invent most of the devices he used in his experiments.  How did this basically uneducated …

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How Heinrich Hertz Discovered Radio Waves to Validate Maxwell’s Equation

How was the first radio wave discovered and why?  Well, it all had to do with a pessimistic young German scientist named Heinrich Hertz and a contest that he was too intimidated to try.This is one of the most influential experiments of all time.  Table of Contents Hermann von Helmholtz Hertz’s Early Life How Hert’z …

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How the Idea of Electromagnetic Waves Was Invented

How did Michael Faraday make electricity with magnets?  Hey, how does anyone make electricity with magnets?  And what does that have to do with the creation of the idea of magnetic fields?  Watch this short video and find out.  Ready?  Let’s go. In 1826, an English scientist named Michael Faraday had read that another Englishman …

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