im watching a lecture and it was talking about two kings in like 1500 exchanging hella messages back and forth across the ocean in a short amount of time. how was it so efficient?
In: 0
Across an ocean in 1500, they were limited to the speed of a sailing ship. Over land, systems of relay stations were set up starting in the 18th century. They could send messages over the network quite quickly.
https://en.wikipedia.org/wiki/Optical_telegraph
The electrical telegraph was developed in the 19th century, and pretty quickly extended via undersea cables to link up the entire world.
Latest Answers