Since the 1850s, we've been laying cables across oceans to become better connected. Today, there are hundreds of thousands of miles of fiber optic cables constantly transmitting data between nations.

An curved arrow pointing right. Computer science Professor Paul Barford and a team of researchers recently published the first publicly available map of the US's long-haul fiber-optic cable network.

The sub-sea cable is owned by Quintillion, but affects companies delivering internet access to residents, schools, and local ...