An anticounterfeiting and tampering prevention system using ultraviolet and visible light has been recently proposed. This technology was developed using the metasurface, capable of freely controlling ...

In short, while studies have found that clouds can magnify UV rays, it is a rare occurrence and one that requires specific ...

Among the greatest failures, indeed crimes, of the COVID-19 pandemic, has been the coverup and distortion of the science of airborne transmission, the way in which SARS-CoV-2 spreads from person to ...

In order to grow big and strong, plants require the red and blue light that are part of the visible "white" light produced by the sun. Scientists have now developed a plant-boosting film, that ...

Please provide your email address to receive an email when new articles are posted on . Iron oxide, found in tinted sunscreens, can protect against the visible light spectrum. Bemotrizinol, a highly ...

PHOENIX — Ultraviolet light is a type of electromagnetic radiation. It's responsible for the glow in a black light poster, or the bronze on your skin from a summer tan. Overexposure to UV radiation ...

Despite implementing various control measures, there still appears to be no clear end of the current coronavirus disease 2019 (COVID-19) pandemic. The emergence of new variants, especially the ...

Scientists have long known that ultraviolet light can kill pathogens on surfaces and in air and water. UV robots are used to disinfect empty hospital rooms, buses and trains; UV bulbs in HVAC systems ...