Malware on an air-gapped computer can transmit data like Morse code by changing screen brightness in a way that's invisible to the naked eye but easily recorded with a camera. Our team tests, rates, ...

Dimming the light on your computer is an easy task, but what happens when you want to dim the light on multiple monitors? Windows has its tool for adjusting the brightness, but it isn’t capable of ...

The best way to save battery on a Windows PC is to adjust your power mode settings, and reduce your brightness.

You can save battery on a Mac by adjusting your "Energy Saver" settings, updating your software, and more.

The new MacBook displays are relatively bright, because they use the new LED backlighting technologies. As such, in many situations users dim the displays a little, but when they do this the display ...

Anyone who spends hours staring at a computer screen knows how exhausting and uncomfortable eye strain can be. I used to suffer from it constantly, but over time, I discovered ways to optimize my ...