The advancement of technology has drastically changed our way of life compared to the past. Before the era of modern telecommunications, these ancient Greeks can provide us with insights into the first long-distance communication methods. Although smoke communication from colorful torches was known at that time, other unique methods involved the use of water as a means of delivering messages. Here is the story of ancient Greek soldiers communicating using water as a medium!

With the existence of hydraulic telegraph, the military can now convey special messages that enable military personnel and civilians to be more prepared to face potential invasions by land or sea. The early form of long-distance communication was advanced in its time and paved the way for future forms of communication, giving birth to many methods that we have today.