Tucson’s skies are slightly darker thanks to the completed streetlight conversion project, according to a study by the Tucson-based International Dark-Sky Association. The study, however, was limited ...

In an effort to create simpler next-generation lighting solutions, researchers from the University of Turku in Finland have developed a color-tunable white OLED. It is a top light-emitting device that ...

Gold, a precious metal, mostly appears in alloys and only rarely in its pure form. Because of its physical properties, it is resistant to air, moisture, heat and many solvents. Gold also has a high ...