More than 105 million high-intensity discharge (HID) lamps, ranging from 20W to 2,000W in size, are now in use in a broad range of interior and exterior applications in the United States. HID lighting ...

Smaller than their predecessors by 26%, 70- and 100-W e-Vision IMH-70-D and IMH-100-D electronic ballasts are designed to drive metal halide and high-pressure sodium lamps. Available in both side- and ...

Artificial light at night is a major feature of anthropogenic global change and is increasingly recognized as affecting biodiversity, often negatively. On a global scale, newer technology white lights ...

Although they've been around for at least three decades, only in the last few years have metal halide lamps come to be specified routinely in such applications as arena and stadium lighting, parking ...

The Nature Index 2024 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...