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 ...

Q I keep reading articles and hear people talk about lumens from a light bulb and watts from a light bulb. I’m told that if I buy a compact fluorescent lamp, that swirly light bulb, that I have to get ...

When choosing lighting for your home or workspace, you will often come across two important terms: lumens and watts. For years, people judged a light’s brightness by its wattage. However, with the ...

For most of us, all of our lives we have associated watts with the brightness of a light source. After all, when we change a light bulb at home, we choose a 100 watt bulb if we want more light than we ...

WASHINGTON — For more than a century, buying light bulbs has been a fairly straightforward transaction: Consumers have judged pear-shaped incandescent bulbs by how much wattage, or power, they consume ...