In 1976, Good Times ruled TV, Gerald Ford was trying to "whip inflation now," and in Ohio, a new kind of light bulb was being invented. The man behind the CFL looks back. Michael Kanellos is editor at ...

In December 2022, the President Joe Biden's administration proposed a new rule that, if enacted, would nearly triple the current minimum light bulb efficiency level of 45 lumens per watt to over 120 ...

Have any fluorescent bulbs, either the long tubes or squiggly compact ones? These days, most consumers are switching to newer LED bulbs, which burn cooler and last longer. But what are you supposed to ...

We all know how energy efficient compact fluorescent bulbs are, and we’ve all been hearing for the past couple years how we should replace every light bulb in our house with a CFL. But have you ever ...

Families and businesses in Hawaii, Colorado, Oregon, Rhode Island, and Maine will save $2 billion in utility bills by 2050 and have reduced risk of mercury exposure, thanks to new laws that phase out ...

When you start browsing to find the best smart bulbs for your house, you’ll see that most of them are LED bulbs. To a newcomer, terms like “LED” can get a little confusing. Sure, LED bulbs are ...

Fluorescent lighting uses less energy than comparably bright incandescent bulbs do. So switching to fluorescents will shave your energy bill. The big surprise: Relying on fluorescent lights may also ...

A light source consisting of a long glass tube containing mercury in a partial vacuum. Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the mercury ...

The color temperature of a light, measured in kelvins, is its most noticeable characteristic. A candle, at 1900 K, appears orange. Daylight, at 5500 K, is much whiter and bluer. A 5500-K bulb, however ...