Blue light has gotten a bad rap, getting blamed for loss of sleep and eye damage. Personal electronic devices emit more blue light than any other color. Blue light has a short wavelength, which means ...

If you want to ensure that the screen light on your Samsung Galaxy S4 stays lit while you are viewing the screen, enable Smart Stay in the Screen section of the Settings category on your device. With ...

Katie covered all things how-to at CNET, with a focus on Social Security and notable events. When she's not writing, she enjoys playing in golf scrambles, practicing yoga and spending time on the lake ...

What is adaptive brightness on Google Pixel? Generally, adaptive brightness controls the screen brightness depending on the app you’re using at the time and the physical conditions of the room you’re ...

Your MacBook does not know better than you. Apple's macOS has an infuriating habit of automatically changing the computer's screen brightness level, seemingly at random. No, it's not all in your head.

Want to take advantage of Apple’s brightest screen yet on the Ultra? Or get your Apple Watch Series 8, SE, or earlier Apple Watch up to the full 1,000 nits? Here’s how to turn up Apple Watch screen ...

TVs are great and all, but if you want really epic entertainment, you need a projector. One-hundred-plus inches of high-definition awesomeness. Projectors, though, are a two-piece system. There's the ...

Learn how to adjust Windows 10 screen brightness with this tutorial. You will save yourself a lot of time and frustration later if you do. Learning how to adjust screen brightness in Windows 10 is ...