A hotel room can look spotless under regular lighting, but UV light testing tells a different story. Tight cleaning schedules ...

For some time now, it’s been established that the primary route of SARS-CoV-2 transmission is airborne. Research suggests that contagious particles are released into the air and linger for several ...

LED bulbs are a household staple, lauded for their energy efficiency and longevity. Contrary to some concerns, standard LEDs ...

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing ...

ATLANTA - Get a popular gel manicure, and you are going to spend some time under a UV-nail polish dryer to cure the gel and harden the polish. The lamps harden the gel, so that the polish lasts longer ...

Researchers at Princeton and North Carolina State University have developed a technique that substantially improves the ability to convert low-energy light into a high-energy version. The method has ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. In ...

“The COVID-19 pandemic has dramatically spurred awareness and is defining a ‘new normal’ focused on indoor air quality and indoor health,” says Travis Jones, vice president and general manager at ...