PORTLAND, Ore. (PORTLAND TRIBUNE) — Almost three weeks after Election Day, it’s official: Ballot Measure 34-255 has passed, and the Tigard City Council is free to put its official support behind ...

Various optical systems or geometries can be used to perform light measurements. For instance, the total power [flux] of a light source can be measured in all directions, in a specific direction or ...

Human vision relies on light. After reflecting off surfaces, light enters into the eyes and travels through the cornea and pupil to produce an image on the retina. The eye is sensitive to a broad ...

In the summer of 1926, an experimental beam of light pierced the night sky between two precisely measured peaks in the San Gabriel Mountains, and science history was made. Virtually unseen by the ...

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

The U.S. National Institute of Standards and Technology (NIST) has completed significant upgrades to two key instruments serving what the agency calls “critical national needs”. The devices measure ...

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 ...