Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics.

Modulation is fundamental to electronic communications. The modulating signal might be analog in nature (voice or music) or digital bit streams. Most modern communication systems are digital, using ...

If you’ve been shopping for a new TV at any point in the last decade, you’ve probably run across the industry’s favorite tech terms, like brightness, contrast ratio, black levels, and even high ...

First I’ll tell what you already know. Back in the day, AM broadcasting was king and FM was commercial-free. Things changed in the 1970s as FM grew in popularity. Here we are 40+ years later with many ...