Without a view of the stars at night, Don McLean would never have been able to write Vincent and Vincent van Gogh would not ...

After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights.

Antara punca utama buasir selepas bersalin terjadi adalah tekanan semasa kehamilan, perubahan hormon, proses melahirkan dan ...

Interviews with half a dozen senior Iranian officials show that they were not expecting Israel to strike before another round of talks.

The new LED lights cost about the same as the old high-pressure sodium lights but will last about 15 to 20 years. Years in the making, the warm glow of brighter streetlights are finally flickering ...

The new LED lights cost about the same as the old high-pressure sodium lights but will last about 15 to 20 years instead of three to five, city officials said.

More: New 'smart' LED streetlights in Linden to be wired to the internet To get there, all new-build light fixtures are LED, and ones that have been damaged beyond repair are replaced with LED. But ...

Yes, Columbus is in fact working to convert all its streetlights to LED, but also yes, sometimes workers instead repair existing sodium-vapor lamps.