Italian lighting tower manufacturer Tower Light is offering its customers a new software application that will calculate the amount of light required to cover any interior of exterior site. Working ...

In my recent post about calculating the speed of light, I mentioned Ole Roemer's calculation in 1676. The basic idea uses the orbit of one of Jupiter's moons. The orbital period is constant, but there ...

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 ...

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 ...

In the week after Easter, we had a lot of old Peeps lying around. No one seemed that interested in eating them, so we used them to measure the speed of light. For centuries the speed of light was an ...