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 ...

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 ...

It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...

Forget harsh bleach—scientists have discovered that powerful blue LED light can erase yellow stains from sweat, food, and oils without harming delicate fabrics like silk. By harnessing oxygen in the ...

We all have that favorite piece of clothing, and we're all familiar with the sinking feeling when we spill something on it. But now, new reports have revealed a simple way to remove pesky stains. ACS ...

Add Yahoo as a preferred source to see more of our stories on Google. A table lamp in a bedroom. If, like me, you're constantly chasing (but not quite catching) the perfect restful night's sleep, ...

Sitting under a porch light can get annoying when moths and other bugs are clouding around it. The solution is to choose the ...