Most people know that one of the best ways to treat mold on a household item like a blanket or piece of upholstered furniture ...

The color of a laser pointer's dot or beam corresponds directly to the wavelength it emits. While all lasers are capable of emitting visible as well as ultraviolet and infrared light, laser pointers ...

As part of their ongoing "What If?" series, Randall Munroe of xkcd and Henry Reich of MinutePhysics looked at what might ...

With a combination of bright white LED illumination and a secondary specialized light source like a red LED, UV light, or laser pointer, these flashlights are designed to meet the varied needs of ...

The realization of compact and reliable diode-pumped solid-state lasers that emit UV light is now opening the door to new industrial applications. Neil Savage describes the uses of the technology ...

In a new study, researchers at Osaka University have created the world's first compact, tunable-wavelength blue semiconductor laser, a significant advancement for far-ultraviolet light technology ...