Those blue lights above traffic signals aren’t decorative. Here’s what they’re for and why more cities are installing them. Blue confirmation lights help police spot and enforce red-light violations ...

Blue light has acquired a dubious reputation in recent years, frequently blamed for everything from disrupted sleep patterns to digital eye strain. This high-energy light, emitted abundantly by our ...

Blue-light-blocking glasses reduce how much blue light from electronic devices reaches your eyes. But it’s unclear how beneficial this actually is. You’re probably doing it right now — looking at a ...

When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with ...

We’re staring at our devices more than ever, and besides eating up our time, they’re giving off tons of light. Blue light has gotten an especially bad rap, but that’s not quite fair: It’s just one ...

You can get a brighter smile with a number of different whitening products and techniques available at home or at a dentist’s office. They vary in effectiveness (and price), but none of them provide ...

In the digital age, blue light exposure is higher than ever. From smartphones and computer screens to LED lights and even the sun, we are constantly bombarded with this high-energy visible light. This ...

Blue light therapy may help with depression, but it is still not clear exactly how effective it is. Depression is a mood disorder associated with a loss of interest in activities, low mood, and ...

As manufacturers equip cars with lots of features and technologies, even dashboard lights can become confusing to navigate. Plus, different car makers can put their own spin on these indicators, ...

Nothing can fill a motorist with dread quite like seeing something on their vehicle's dashboard light up. Well, ideally, everything will light up when you first start your vehicle, but after a couple ...

A car’s dashboard displays important information for the driver, like current speed and engine fuel level. Depending on the make and model of the car, oil temperature, coolant temperature, and engine ...