If you're unable to view the northern lights in person, an online live view is the next best (and considerably warmer) thing. The northern lights are a truly remarkable spectacle, with curtains of ...

Dimming, flickering or failing too soon? Experts weigh in on why your LED lights are going dark and the answers are fascinating. Tyler Lacoma Editor / Home Security For more than 10 years Tyler ...

The semiconductor light-emitting diode, or LED, is a key component of today's technology. Modern households have numerous tiny glowing indicators — provided by LEDs — that are used for reading ...