The biggest effect of everyone turning lights on at once would be a surge in demand for electricity, which most people worldwide use to operate their lights.

LED TVs typically use less electricity than OLEDs. LEDs have consistent backlighting, while OLED power use varies with content brightness and screen size.

Smart light systems from companies like Philips Hue, LIFX, and Wiz can make your home more comfortable, convenient, and even safer. Here's how to get started.

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED masks are having a moment—you can reap the benefits without booking a professional treatment. As ...

Mercedes-Benz officially opened the doors to one of the most advanced automotive testing facilities in Europe: the new Light Testing Center in Immendingen, Germany. At first glance, it may look like a ...