Watts and lumens — they both describe lightbulbs, but do you know what they actually mean? Did you know that wattage is no longer a reliable way to tell how bright a bulb is? Do you know what makes ...

(CNN) -- America's ban on incandescent light bulbs, 16 years in the making, is finally a reality. Well, mostly. A rule issued in 2007, rolled back by the Trump administration, and updated last year by ...

The Ikea Ledare E26 LED 400 lumens (Ikea) is part of the Lightbulbs test program at Consumer Reports. In our lab tests, Lightbulbs models like the Ledare E26 LED 400 lumens (Ikea) are rated on ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. The U.S. Department of Energy is cranking up the minimum ...

Picking out a lightbulb used to be easy, but as more energy-efficient bulbs hit the shelves, the amount of options can seem overwhelming. Here's how to find the perfect bulb. Photo: Udit ...

Buying a light bulb can be complicated. If you don't take the time to figure out what type of bulb you need, it may not match the color of the other bulbs in the room or even work in your fixture.

Michael Turner, director and Rauner distinguished service professor, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Ill. Ron Cowen, astronomy writer, Science News, ...

Need a low-power light that’s five times brighter than a typical LED? SANSI’s got you covered. Due to the physical placement of LEDs within the bulb and the design of their electronics and heat sink, ...

People who invest money for a living face a quandary. Stocks, which have enjoyed an epic bull run, are at record highs and seem unlikely to go much higher. Europe and Japan are barely growing, while ...

Taylor Martin has covered technology online for over six years. He has reviewed smartphones for Pocketnow and Android Authority and loves building stuff on his YouTube channel, MOD. He has a dangerous ...