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 ...

LED light bulbs have surged in popularity over the past few years for several good reasons. They're energy-efficient, long-lasting, and versatile. Compared to traditional incandescent bulbs, LEDs use ...

LED lightbulbs have slashed the amount of energy we use to light our homes. New data illustrate just how much. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...

Soon, when you buy a new light bulb you’ll see a new Nutrition Facts-style label that details the numbers most important to you: how bright the bulb is, what the ...

CFL bulbs can help you cut quite a bit of energy usage in your home, but you can't measure brightness by looking at wattage levels, like you can with incandescent bulbs. This chart will help you ...

Wondering if you can use a regular light bulb in a 3-way socket? Learn what happens, if it's safe, and how it affects ...

This piece explores the three different types of bulbs available for car headlights plus factors to take into consideration when choosing one. You’ve probably experienced this before: you are driving ...

The incandescent light bulb has been around since the late 1800s, but the venerable technology’s dominance seems just about over. On January 1, 2014, in keeping with a law passed by Congress in 2007, ...