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 ...

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 ...

A Rutgers-led team of scientists has developed an eco-friendly, very stable, ultra-bright material and used it to generate deep-blue light (emission at ~450 nm) in a light-emitting diode (LED), an ...

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.

To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...

When you flip a switch or power up your smartphone, the last thing on your mind is whether that light could be messing with your body's internal systems. Yet here's something lighting manufacturers ...

🛍️ Amazon Big Spring Sale: 100+ editor-approved deals worth buying right now 🛍️ By Rahul Rao Updated May 11, 2021 11:38 AM EDT Add Popular Science (opens in a new tab) Adding us as a Preferred ...