You walk in after a long day, flip the switch, and the room hits you with that sterile chill. Not the temperature—your ...

While there are many variations of white LED light available today, they all fall under three basic categorical descriptions: “warm white,” “pure white,” and “cool white.” At opposite ends of the ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a ...

The Rockefeller Center Christmas Tree stands in New York decked in more than 50,000 multicolored LED lights. LEDs that appear white generally are actually blue LEDs with yellow filters. The diode ...