They are making a number of good points about fiber optic tec as a whole in this article followed below. Optical fiber, or fiber optics, are long, thin hairs of very carefully attracted glass about the diameter of a human hair. These hairs are prepared in bundles called optical wires http://fiberoptictecnology58024.ivasdesign.com/33493707/fiber-optic-tecnology-no-further-a-mystery