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

Researchers have designed and tested ‘human-centric’ LEDs that emit different wavelengths of blue light depending on whether it’s daytime or nighttime, reducing the disruptive effect artificial light ...

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 ...

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 ...

If you’re willing to pay a bit more for an especially sleek light-therapy lamp, we recommend the Northern Light Technologies Boxelite. In addition to its unobtrusive design, it also emits the warmest ...