Category Archives: Wireless

First Solar-Powered Phone Call

Today in 1955, the first field trial of a rural telephone system making use of transistors and the Bell Solar Battery was held in Americus, Georgia. Today, 1.5 billion people, one quarter of the world’s population, live without electricity, and … Continue reading

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First Broadcast by Ham Radio Operator

Today in 1909, Einar Dessau of Denmark used a shortwave transmitter to converse with a government radio post about six miles away in what is believed to have been the first broadcast by a ‘ham’ radio operator. Susan Douglas in Inventing American Broadcasting on … Continue reading

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Birth of Public Radio Broadcasting

Yesterday and today in 1910, opera was first heard on the radio in what is considered the first public radio broadcast. On January 12, Lee De Forest conducted an experimental broadcast of part of the live Metropolitan Opera performance of Tosca and, on January 13, Enrico … Continue reading

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The Titanic Regulation

“At 10:25pm on Sunday, April 14, 1912, a single message borought wireless, Marconi, and evantually [David] Sarnoff to prominence: The Titanic, fastest and most luxurious ocean liner of its time, was sinking in the North Atlantic. The catastrophe would serve … Continue reading

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Tipping Point for the Internet of Things and Connected Cows

In 2008, the number of things connected to the Internet exceeded the number of people on Earth. This according to a Cisco Infographic on the Internet of Things today and tomorrow. One Internet of Things start-up it mentions is Sparked, … Continue reading

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The Evolution of Dick Tracy’s Wristwatch

Sixty-five years ago (January 13, 1946),  Chester Gould introduced in Dick Tracy’s 2-Way Wrist Radio, having drawn inspiration from a visit to inventor Al Gross. It became one of the strip’s most immediately recognizable icons, and was eventually upgraded to … Continue reading

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