A new sunlight-powered material can convert visible light into higher-energy UV light, overcoming a challenge that has frustrated scientists for years. The breakthrough could enable cleaner air ...

DRS Daylight Solutions produces compact, high-power laser modules in the ultraviolet (UV-A) spectral range. Its fiber-optic pigtailed package provides CW power levels up to 1 Watt at 375 nm, making it ...

LED face masks have become one of the most talked-about beauty devices in recent years, promising clinic-rivalling skincare from the comfort of your sofa. While IPL machines use light and sometimes ...

Minimal sun protection required for normal activity. Wear sunglasses on bright days. If outside for more than one hour, cover up and use sunscreen. Reflection off snow can nearly double UV strength, ...

Protection required - UV damages the skin and can cause sunburn. Reduce time in the sun between 11 a.m. and 3 p.m. and take full precaution by seeking shade, covering up exposed skin, wearing a hat ...