Fiber optics | Definition, Inventors, & Facts | Britannica
https://www.britannica.com/science/fiber-optics
WEBFeb 20, 2024 · fiber optics, the science of transmitting data, voice, and images by the passage of light through thin, transparent fibers. In telecommunications, fiber optic technology has virtually replaced copper wire in long-distance telephone lines, and it is used to link computers within local area networks.
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