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

SPRINGFIELD, Mo. (KY3) - You’ve probably noticed more colored headlights on area roads. And, our viewer Charolette did too. She wants to know, are those bright blue headlights legal? The answer is no.

Call it the fifth generation of light—the availability of electric lights that promote health and well-being by automatically mimicking the natural cycle of light. They switch between blue-rich ...

No you're not imagining it. Headlights have gotten brighter, and people driving on dark roads since the start of Daylight Saving Time have felt the impact. Before LED lights were introduced, many auto ...

This illustration demonstrates how bright blue LED light, shone through its complementary yellow phosphor, yields white light. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of ...