It was once the most high-tech and futuristic feature you could find: Transmit sound -- with light! Lasers! A cable not of copper, but glass! Except, it was almost never glass, and was usually ...

Corning's USB 3.Optical cable replaces copper with fiber optic filament for faster sustained data transfer over much longer distances than standard USB 3.0 cables, but that speed comes with a few ...