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 ...

The Biden administration is unveiling a new proposed rule that, if enacted, would effectively phase out compact fluorescent light bulbs and move the US light bulb markets decisively to more ...

Incandescent era, RIP. Like it or not, it's time to move on. Traditional incandescent lightbulbs are gone—not banned, precisely, but phased out because the Energy Independence and Security Act (EISA), ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

Compact fluorescent light bulbs (CFLs) debuted in the 1980s and became popular a couple of decades later, when manufacturers improved their performance and fit. These bulbs are about 75% more ...

“I was given a number of reasons why it wouldn’t work,” said Ed Hammer, a retired General Electric engineer who invented compact fluorescent while working at the company in the 1970s. “I was told it ...

You see them in every grocery store and home center - those funny-looking curly compact fluorescent lights (CFLs) that are rapidly replacing the old round bulbs. And pretty soon, the Energy ...