Beneath the Ocean: The Invisible Network That Connects the World (Part 1)
When we make an international call, send a message overseas, transfer money to another country, or join a video call with someone thousands of kilometers away, it feels almost instantaneous. It is easy to imagine that all this information is traveling through satellites somewhere above us. In reality, most international communications travel in the opposite direction— under the sea . Hidden on the ocean floor is an enormous network of submarine cables (海底ケーブル) connecting countries and continents. Today, these cables carry around 99% of international communications and form one of the most important pieces of infrastructure behind our connected world. And for a company like Brastel, whose history is closely connected with international telecommunications, the story of submarine cables is also part of the story of how people around the world are able to stay connected. From Morse Code to the Global Internet Submarine communication began more than 170 years ago. In 1850 , an underw...
