The first hydraulic telegraph was invented in the fourth century B.C.E. by a Hellenistic writer on the art of war, named ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. Samuel F.B. Morse patented an electric telegraph machine on June 20th 1840.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Samuel Morse's Experimental Telegraph ...

Through the crackle and fuzz of long-distance radio, Karl Thompson easily translated the steady dit-dah, dit-dah, dit-dah of Morse Code from across the Atlantic. Thompson, operating amateur station ...

In the modern world of smartphones and lightning fast internet, amateur (ham) radio operators still enjoy communicating over the radio by tapping telegraph keys just like the pioneers did in the ...

In the 4th century BC, the Greek engineer Aeneas of Stymphalus devised a groundbreaking communication system known as the hydraulic telegraph. This ancient invention utilized synchronized water clocks ...

A neglected anniversary of sorts came and went May 24; it was the first public demonstration of Samuel F.B. Morse’s telegraph 178 years ago at B&O Mount Clare Station, today the home of the Baltimore ...

PORTSMOUTH — Twenty years before Samuel F.B. Morse changed the world with his electric telegraph, he was an itinerant painter in Portsmouth. Two of his paintings are part of a new exhibit at the ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...