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Humankind’s Most Important Material

To reach you, these words were encoded into signals of light moving about 125,000 miles per second through fiber-optic cables. These lines, splayed out across mountains and oceans, are made of hair-thin glass 30 times more transparent than the purest water. The technology was made possible in part by a team from Corning Incorporated. In 1970 they patented a type of cable that could transmit large amounts of information long distances, building on decades of work by other researchers...

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