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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 ...

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 ...

Three researchers helped revolutionize lighting with vastly better energy efficiency and brightness. The light-emitting diodes also are used in data storage, TVs and smartphones. Stephen Shankland ...

Thomas Edison may have invented the lightbulb, but he never received the Nobel Prize for it. Isamu Akasaki and Hiroshi Amano at the University of Nagoya, and Shuji Nakamura working at Nichia Chemicals ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Their inventions have found their way into bedside lamps, television ...

Incandescent era, RIP. Like it or not, it's time to move on. Traditional incandescent lightbulbs are gone—not banned, precisely, but phased out because the Energy Independence and Security Act (EISA), ...