Eastman Kodak, once a pioneer in traditional film cameras, ended up in bankruptcy after more than a century in business, while Corning keeps on going churning blockbuster products like the fiber optic cable and flat glass.

FORBES: How Companies Become And Stay Great

The typical fiber-optic cable now holds 144 strands of glass, enough to accommodate 57.6 terabips.

FORBES: Wired and restless

One alternative is a cable that uses a combination of aluminium and carbon-glass fibre composite.

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