Each of the three basic types of light sources — incandescent, fluorescent, and HID — has its own particular applications and advantages. The proper selection of a lamp type will ultimately depend on ...

It is in the darkest time of the year with the arrival of winter thatperhaps we most appreciate our light bulbs. It isn’t just the lightson the holiday decorations that provide that festive glow, but ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

ALBERT EINSTEIN won the 1921 Nobel prize for physics in 1922. The temporal anomaly embodied in that sentence was not, alas, one of the counterintuitive consequences of his theories of relativity, ...

CHELMSFORD, U.K.—There’s a reason why century-old approaches to lighting are still in common use on film sets. A casual survey of the trade press over the last five years or so might easily give the ...

I like to consider a number of sources when researching and writing my blogs. I believe this benefits my audience by giving them views from several perspectives. It also saves time as I do the leg ...