Discover how frequency combs, specialized lasers with evenly spaced frequencies, enable precise light frequency comparison ...

Menlo's optical frequency combs are a core component of optical clocks, such as this one at JILA. (Courtesy: GE Marti/JILA) This year marks the 20th anniversary of the first time an optical-frequency ...

OK, it's not really a black light. It's better to call it what it is: ultraviolet light. Let's start with a quick overview of light. Of course, light is an electromagnetic wave (oscillating electric ...

TSL235R is an eternal light-to-frequency converter, and its sensors are widely used as light sensor heads in today’s advanced microcontroller projects. The TSL235R converter combines a silicon ...

There's an episode of Star Trek: The Next Generation in which John de Lancie's nearly-omnipotent alien character "Q" is stripped of his powers and banished to the Enterprise as a human because fans of ...

A week or so ago, I got a question on Facebook that was relayed from one of the kids of a college friend, which I'll paraphrase as "What's the physics explanation of what gives objects their color?" ...

2015 is the International Year of Light (but the universal year of light is in 2533). I think we can all agree that light is very important in just about all aspects of our lives. But what are the key ...