According to a new study, a link between exposure to low-intensity light at night and susceptibility to higher-intensity ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Jay Holben During one of my recent lectures, there was a great deal of confusion about how to ...

In recent years, conversations about human-centric lighting (HCL) have grown in popularity as healthcare organizations become ...

Eating in the dark isn’t as helpful for flavor enhancement as some may have thought, a new study claims. Researchers at the Netherlands-based Maastricht University looked into how lighting impacts ...

Sustained low-light exposure during daytime is associated with depression-like increases in cortisol levels and sleep disturbances in healthy individuals, a study shows.

The light intensity curves for LEDs, regardless of whether they are collimated with a lens or reflectors, follow a bell shaped curve (often referred to as a “Lambertian“ curve). The 50% intensity ...

An LED and a semiconductor laser (or laser LED) work in essentially the same way, that is, light is emitted as electrons and holes combine, with emission wavelength dependent upon the materials used.

Last week, NASA released a report whose tone was misleadingly gleeful. Called "NOAA/NASA Satellite Sees Holiday Lights Brighten Cities," it began, “Even from space, holidays shine bright.” The ...

If energy efficiency, lighting quality and utility expense reduction are your business objectives, you might be considering a lighting retrofit. As a founding member of a tech company focused on ...