Great Inventions that Changed the World

Great Inventions that Changed the World

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Fiber optics are currently the best method of transmission over longer distances, which can handle a higher data rate ... This concept was promoted by Charles Kuen Kao of British Standard Telephones and Cables, and he set the goal of loss to less than 20 dB/km. This goal was reached by Corning Glass Works in 1970, by doping silica glass with titanium. This loss ... He was also deeply affected by his mothera#39;s gradual deafness, and learned to use a manual finger language to tap outanbsp;...


Title:Great Inventions that Changed the World
Author: James Wei
Publisher:John Wiley & Sons - 2012-07-02
ISBN-13:

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