IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. As knowledge of materials and ...

Neon lights are that kind of nostalgic item that everybody seems to love. The neon lamp is a type of gas discharge lamp, they generate light when an electrical discharge travels through an ionized gas ...

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 ...

During the early 1900s it was electric lighting that was the major driving force behind the growth of electrical supply and the electrical contracting industry. Contractors during the last 100 years ...

Dhaka City Corporation (DCC) and Roads and Highways Department have replaced the existing low-pressure sodium lights with high-pressure ones in a bid to enhance the visibility of the traffic at night.

If you go outside at night and look up at the sky, the chances are that if you're living near a city, you're not going to see much. That's because cities and towns have been steadily increasing their ...

AFTER a streetlight opposite his home stopped working, your columnist started noticing others on his California hillside that had also gone dark. Twice he reported the matter, to no avail. Then, after ...