Fiber Optic Cable Facts "A relatively new technology with vast potential importance, is the channeled transmission of light through hair-thin glass fibers." [ Less expensive than copper cables [ Raw material is silica sand [ Less expensive to maintain If damaged, restoration time is faster (although more users are affected) [ Backbone to the Information Superhighway Information (data and voice) is transmitted through the fiber digitally by the use of high speed LASERs (Light Amplification through the Simulated Emission of Radia ....