Here’s how it works. The speed of light traveling through a vacuum is exactly 299,792,458 meters (983,571,056 feet) per second. That's about 186,282 miles per second — a universal constant ...

Getting more light exposure can improve your mood and help with some health conditions. Check out our picks of the best light therapy lamps.

Red light therapy uses light-emitting diodes (LEDs) to treat medical and cosmetic conditions. Some people use it to reduce wrinkles, scars, and acne. It can also be used for dental pain, hair loss, ...

Red-light masks use low levels of light-emitting diode, or LED, to stimulate skin cells, says Dr. Jennifer Sawaya, a dermatologist at U.S. Dermatology Partners Scottsdale in Arizona.

Lumenaura, a new downtown light festival in Aurora, opened Friday and will run through Nov. 1. It includes light and sound installations throughout downtown, interactive street art, live ...

Light therapy lamps have been found to be an effective treatment for seasonal affective disorder (SAD). Seasonal affective disorder can bring on symptoms like depression, hopelessness, and fatigue, so ...

The right lighting can make a big difference in your home. The way light touches a room, with a warm glow or a sharp, white brightness, can transform its aesthetics. That’s where LED bulbs come ...

Almost everyone is raised with the knowledge that the velocity of light in a vacuum is an absolute value of 299 792 kilometers (186 282 miles) per second. Even a single photon cannot surpass this ...

Light No Fire is an adventure set across one procedurally-generated multiplayer Earth, a true open world where all players work to explore the space together. It's wildly ambitious, built to ...

Wouldn't it be great if you didn't have to choose between performance, portability and power when you wanted the perfect laptop? With LG, you don't have to. The LG gram delivers pro-level power ...

While dark mornings are inevitable in winter, turning the clocks back gives us an extra hour of natural light. At least 15 minutes' exposure to natural daylight, as early as possible in the day ...