OK, it's not really a black light. It's better to call it what it is: ultraviolet light. Let's start with a quick overview of light. Of course, light is an electromagnetic wave (oscillating electric ...

There seems to be more and more talk about lighting, whether it's blue light from screens, red light therapy, smart bulbs, or LED light strips for custom interior lighting. These days almost every ...

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 ...