Despite what social media would have you believe, LEDs can mimic the warm glow without being notoriously inefficient.

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 ...

Christmas lights are a staple during the holiday season, with the sparkling strings wrapped around trees, homes, and streets. But the eye-catching displays do have an environmental cost. Many major ...