Fiber Optics —The Invisible Communications Network You Use Every Day

摘要

The world has been rewired many times over the decades. Telegraph and telephone wiring came first. Then electrical power. (Yes, electrical power wiring actually came after the telegraph and telephone wiring. Doesn't seem right does it?) Shortly after that came cable TV wiring. Computer network wiring was next. Then fiber optic cable. There has been some overlap of those, of course, but that is the general sequence.