High-intensity lights are potentially harmful because they concentrate so much brightness into a small area,” says Jacqueline ...

Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. >> A large band gap means higher-energy photons, which in ...

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 ...

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.

Do LED lights cause cancer? Can they really reduce crime? One kid is so concerned about LED streetlights that he called Mayor Rahm Emanuel. Chicago sixth-grader JJ Nnawuchi loves looking at the stars, ...

LED headlights on modern cars can be incredibly bright for oncoming traffic, but fortunately there is a simple setting you can adjust to help reduce the glare.

Though we’re still galaxies away from having real lightsabers, the wonderful people in charge of Star Wars merchandising has given us the next best thing-LED flash light lightsabers. The Star Wars ...