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 ...

Scientists have created a light as thin as paper that emits a gentle, natural glow similar to sunlight. By using a precise ...

Abstract: Scan-conversion tubes utilizing fiber-optics photon transfer (FOPT) are currently being developed by the Westinghouse Electric Corporation under contract from the United States Army ...

Abstract: In this paper a modified design of a solar Parabolic Trough Thermoelectric Receiver (PTTR) tube is presented and its technical feasibility is evaluated theoretically. The innovative driving ...