The measurement of light can be separated into a range of measurement principles. Each of these measurement principles is quantified according to different optical parameters. In the case of ...

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

University of Illinois Physics Professor Paul Kwiat and members of his research group have developed a new tool for precision measurement at the nanometer scale in scenarios where background noise and ...

Increasing demand for high-quality, high-brightness LEDs for use in solid-state lighting (SSL) means that manufacturers have to be able to ramp up production while keeping tight control of device ...

When you’re working in film, video, or photography, precision in light measurement can make or break your project. Enter the LIT DUO 1 camera light meter, an innovative tool designed to streamline ...