So, because light is so fast and fiber optic cables can carry 3 different signals at at time and travel at the "speed of light"; why don't we have the technology to develop a computer that uses all fiber optics instead of wires or optics and wires (if your lucky) I'm sure that if we did know how; I probably wouldn't be using this computer at the moment. however; I do know that the short distances between two points on a computer is relatively small compared to long distance communication (fiber optics) I'm worried that the production and cost of such as system wouldn't be "worth" the money and slight advance. But would it be?!?! Isn't the rate of fiber optic signals standard slowed down because it takes time to translate them into electronic signals? compared to their potential rate of communication.