Ok, it's been almost a decade since I've had to study Maxwell's equations, but I remember a certain facet from those equations that always astounded me. It was the fact that the speed of light could ...

In the days of old, back when television was solely recorded on a thing called “film,” the cinematographer was known as a kind of fortune-teller/ magician who could mysteriously read the light in the ...

This is our second activity that requires the use of a smartphone or tablet. Please let us know what you think. E-mail [email protected] with feedback about the use of technology in this—and ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. You can now use your Windows Phone device as a lux meter thanks to a new app that has just ...

Let's start with DC voltage, one of the simplest and most-used multimeter measurements. The DC voltage measurement is used to determine the difference in electrical potential between two points in a ...

However, the production of SSL and LED products presents a significant challenge due to inherent differences in optical properties such as color, flicker and brightness, even within the same ...

Gauging the amount of light that's in a scene is one of the most fundamental and important skills for a photographer to have. Knowing how to set the exposure on a camera will produce a picture that's ...