Lasers are known for the monochromatic nature of their light, so much so that you might never have thought there could be such a thing as a white laser. But in the weird world of physics ...

An RGB LED. By mixing the red, green, and blue colors, this LED can emit white light The first white LEDs weren’t explicitly white LEDs. Instead, red, green, and blue LEDs were packed into a ...

The cause of all screen burn in is the varying lifecycle of a display’s light-producing components ... areas of the display that seldom change, are bright white, or are often black and switched ...

White light-emitting diodes (LEDs) have tremendous potential for energy-efficient illumination. However, achieving white light emission with a 'colour temperature' that is not too blue is a ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Joanne Chen and Annie Chou Our upgrade pick, the Philips SmartSleep ...

The number of horizontal and vertical pixels on a display screen. The more pixels, the more information is visible without scrolling. Screen resolutions have a pixel count such as 1600x1200 ...

Not every notebook has a touch screen, but try one, and you'll be a tap-and-swipe convert. Here's what to know about touch-panel technology, plus the best touch-screen laptops you can buy ...

Nicole Newnham’s documentary The Disappearance of Shere Hite (now streaming on Hulu) aims to introduce an almost-forgotten figure of the women’s movement to a new generation. In 1976 ...

While there isn't any solid research backing the use of blue light lenses for eye health, many people turn to blue light-blocking glasses to effectively filter blue light, reduce light exposure ...

In an otherwise dark room, your pupils are more naturally closed to the amount of light thanks to the big screen. Conversely, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Zoe Vanderweide and Justin Krajeski One of our picks, the Uniqlo Supima ...

But this could be the future. The screen was made using perovskite light emitting diode (PeLED) technology. It is radically different to the LED technology used in your smartphone display today ...