The downside of fiber-optic cables is that they are more expensive than coaxial cables, and laying new lines is a logistical challenge. As a result, cable internet boasts far greater availability ...

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.

A thin strand of glass designed for light transmission. A single hair-thin optical fiber is capable of transmitting trillions of bits per second. In addition to their huge transmission capacity ...