Stretches of some of the city’s busiest thoroughfares are inadequately illuminated, the city police have found. The police have written to the PWD seeking that the yellow sodium vapour lamps be ...

With all of the chaos and unprecedented events of recent years, there's a sort of collective feeling that unbelievable things could happen and it wouldn't be all that surprising. As the phenomenon of ...

If you’re over the age of 25, you probably remember when streetlights had a warm, yellow-orange glow. That was emitted by sodium vapor lamps—the streetlight standard for many years. Recently, as ...

Two much-publicized electrical companies—General Electric and Westinghouse—supply most of the U. S. with lamp bulbs. In Europe that function is performed chiefly by potent Philips Glow-lampworks of ...

The yellow light of sodium vapour lamps in street lights will soon be a thing of the past in the city. The project to replace all energy-guzzling sodium vapour lamps with LED lights has finally taken ...

Plans to improve the education of America's youth usually focus on boosting reading or math skills, but a Toronto psychologist thinks there may be an equally effective way to better performance: ...

I’ve noticed when the city repairs broken streetlights that sometimes they install a new LED light and sometimes they do not. I would think they want to convert all the streetlights to LED lights when ...

PETALING JAYA: It has been over 30 years since the Berlin Wall fell, uniting the east and west of the city. While the people are now living together after the Peaceful Revolution, is it true that ...