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 ...

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 ...

Combining red, green, and blue LEDs (light emitting diodes) to form a light source is an attractive proposition. Such a multi-color light source can generate a wide range of colors. The LEDs ...

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 ...

The Press has received a few calls asking about the lights at Independence Point. Why are they blue? Or purple, depending on how your perception of colors.