Last week, we took a look at fluorescent lighting, which is dramatically reducing our energy use for illuminating indoor spaces. This week, we'll cover mercury vapor lighting, which is the most common ...

Mercury vapor is out and LED is in. Mount Pleasant and North Charleston are beginning a transition from mercury vapor streetlights to LED lights, Kim Asbill said, public affairs specialist for South ...

FLAGSTAFF - Flagstaff has begun cracking down on mercury vapor lights, 10 years after the city council first banned the aging lighting systems because they made it hard for local astronomers to ...

What's better for exterior security lighting, mercury-vapor lights or motion-activated lamps? --John Donahue, Richville, Minn. The blue-white mercury-vapor lights are brighter and more ...

Even if you aren’t a tube aficionado, you can’t help but be mesmerized by the blue glow inside a mercury vapor rectifier when it operates. It looks less like early 20th century tech and more like ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...