If you continue to gaze at it, it will turn to stare back at you. Keep staring it down and it will toggle the state of a remote control light switch. This all works because of the person sensor ...

Usually, it clears up in a few minutes that is, unless you keep staring. Now, you're doing more than just overloading your retina. For starters, you're giving your eyes an abnormally high dose of ...

An curved arrow pointing right. After staring at screens all day, eyes can become dry, itchy, blurry, irritated — and that discomfort is frequently accompanied by a headache. This phenomenon is ...

As Knaak walked off the mound to head to the bullpen, he locked eyes with Nawrocki and didn’t look away—delivering a stare down that left no doubt about the intensity of their rivalry.