3 ms·

Speed of light is a universal physical constant. What you referring is that the space the light has to travel in the optic cable is way bigger then what it woul

Speed of light is a universal physical constant. What you referring is that the space the light has to travel in the optic cable is way bigger then what it would be with straight line of sight between MW towers.

mhh__ 8y ago
Semantics, at best...
detaro 8y ago
The constant referred to as "speed of light" is speed of light in vacuum. Light slows down different amounts in different media.