Determining the light levels in your shop is an important part of ensuring that your customers have a pleasant shopping experience. If you have limited natural light or operate at night, you can ...

A team of scientists have demonstrated how to “weigh” galaxy clusters using light from the earliest moments of the universe—a new method that could help shed light on dark matter, dark energy and ...

It’s no secret that lighting designers must wear many hats, but according to the Illuminating Engineering Society of North America (IESNA), the actual number of those hats might surprise you. A review ...

Check back for a recap of this session that takes place on Tuesday, Feb. 4 from 11:00 a.m. to 12:30 p.m. Jan. 27, 2003 Check back for a recap of this session that takes place on Tuesday, Feb. 4 from ...