The government estimates annual savings of around ₹31.53 crore through reduced electricity bills with the LED lights ...

Public Works Department (PWD) has planned to replace nearly 45,000 sodium streetlights on the roads with LED lights connected ...

Hong Kong's skyline generates vast amounts of construction waste through daily demolition. While some of this waste is used ...

A basement sealer helps prevent moisture issues and makes your floor much easier to keep clean and dust-free. Although concrete is extremely hard and strong, its porous nature is naturally vulnerable ...

Abstract: In this paper, a low-cost electronic ballast for high-pressure sodium vapor lamps is presented. The proposed ballast is a two-stage circuit that requires only one switch and one inductor for ...

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 ...

The bland orange-yellow of sodium-vapor lamps now lights hundreds of miles of U. S. highway. Until recently it has been a ticklish and costly job to get the sodium into the highly evacuated lamps ...

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 ...

THE high luminous efficiency of the sodium vapour electric light makes it probable that it will be more extensively used in the future, if it can be shown to have no deleterious effect on human ...

DR. M. LUCKIESH and Dr. F. K. Moss, of the Lighting Research Laboratory of the General Electric oCompany of America, reported at a meeting of the Optical Society of America on October 17 an ...

Kolkata: The 8.4km-long VIP Road stretch from Ultadanga to the airport is all set to have brighter illumination by this Christmas with all the existing sodium vapour streetlights to be replaced with ...