communication

Sir Rowland Hill and the Uniform Penny Post

Sir Rowland Hill and the Uniform Penny Post

On August 27, 1879, English teacher, inventor and social reformer Sir Rowland Hill passed away. Hill campaigned for a comprehensive reform of the postal system, based on the concept of Uniform Penny Post and his solution of prepayment, facilitating the safe, speedy and cheap transfer of letters. Hill later served as a government postal official, and he is usually credited with originating the basic concepts of the modern postal service, including the invention…
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Michael Pupin solving the Problems of long-distance Communication

Michael Pupin solving the Problems of long-distance Communication

On October 9, 1858, Serbian American physicist and physical chemist Michael Pupin was born, who is best known for his numerous patents, including a means of greatly extending the range of long-distance telephone communication by placing loading coils (of wire) at predetermined intervals along the transmitting wire (known as “pupinization“). “We would never get away from it. … It’s bad enough as it is, but with the wireless telephone one could be…
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Vladimir Zworykin and the Invention of Television

Vladimir Zworykin and the Invention of Television

On July 30, 1888, Russian inventor, engineer, and pioneer of television technology Vladimir Zworykin was born. Zworykin invented a television transmitting and receiving system employing cathode ray tubes. He played a role in the practical development of television from the early thirties, including charge storage-type tubes, infrared image tubes and the electron microscope. Vladimir Zworykin – Youth in Russia Vladimir Kosmich Zworykin was born in Murom, Russia, the son of Kosma A. Zworykin, a wealthy businessman,…
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Robert Metcalfe and the Ethernet Technology

Robert Metcalfe and the Ethernet Technology

On May 22, 1973, Robert Metcalfe, by the time PhD student in electrical engineering working at Xerox PARC, wrote a memo describing a way to transmit data from the early generation of personal computers to a new device, the laser printer. He named the new network technology Ethernet after the disproven luminiferous ether as an “omnipresent, completely-passive medium for the propagation of electromagnetic waves“. Over time, Ethernet has largely replaced competing wired…
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The Legend of the Pony Express

The Legend of the Pony Express

On April 3, 1860, the Pony Express started delivering messages, newspapers, mail, even small packages from St. Joseph, Missouri across the Great Plains, over the Rocky Mountains and the Sierra Nevada to Sacramento, California by horseback, using a series of relay stations. Although being an economic disaster, the Pony Express has become a U.S. national legend. Gold in California In January 1848, Gold was discovered in California, but the poor communication between…
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