How do you find the quality of the light a light bulb produces? Using the color rendering index, a measure of how well a light bulb illuminates a range of colors. Appliance Science looks at the ...

Q: Just as I understand the concept of color temperature (Kelvin), now CRI is being bandied about as LEDs come into the market. What is it exactly? A: I am right there with you. From the beginning of ...

When most people hear the phrase “adequate lighting” in an industrial setting, they immediately think about brightness and the level of visibility. Certainly, that’s important for employee safety.

The lighting design community is eager to embrace a better way to convey to clients the important factors of color fidelity and saturation in tunable white lighting but the complexity of the IES’s new ...

SEATTLE—When LED lighting fixtures exploded on the cine, video and television scene, one of the first things that early adopters discovered was that all LED lights weren’t created equal, especially in ...

Q: How important is color temperature in ambient lighting? Should this be a concern if you are using fluorescents or LEDs for your ambient lighting? A: Frankly, I think color temperature is important ...