A research team from the Faculty of Engineering at the University of Hong Kong (HKU) has successfully used mechanical ...

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 ...

Several pieces of evidence have suggested that blue light can inactivate various pathogenic bacteria. Previously in vitro and in vivo studies using blue light in the spectral range of 400–470 nm ...

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 ...

LED therapy masks use specific light wavelengths for at-home skincare treatments. Red light is used to improve fine lines, while blue light targets acne-causing bacteria. Users should follow safety ...

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 ...

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 ...

Sweat and food stains can ruin your favorite clothes. But bleaching agents such as hydrogen peroxide or dry-cleaning solvents that remove stains aren’t options for all fabrics, especially delicate ...