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 ...

Optical drives let your computer read and interact with discs like CDs, DVDs, and Blu-rays. While nearly every computer had them a few years ago, they're rare to see on new computers now. If you need ...

Already in its second generation, the Thunderbolt I/O protocol has been around for three years, but only recently did manufacturers begin production of optical cables to deliver the tentpole feature ...

There are only two ways to get digital audio between your TV and soundbar, or your TV and receiver, or really between any piece of gear that transmits audio in a home A/V system: HDMI and optical.

The promise of the Thunderbolt standard is that it can deliver a lot of data over long distances very quickly for many types of devices. Unfortunately, that promise has been pretty slow to materialize ...