In Rep. Murphy’s video, he stands next to a white board that mentions UV light from the sun. High-intensity UV light can indeed kill viruses. But natural sunlight doesn’t provide the UV ...

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 ...

Ayman Yaghi, left, stands with colleagues from Arkalumen ... but that in itself is a potential danger: UV light of that intensity can burn skin, damage eyes and cause skin cell mutations.

In addition to the rooms themselves, guests' luggage and packages will also be sanitized using the UV light ... "By pulsing the light, we're able to create very, very high intensity.

The next time you see the UV index in the weather forecast, look more closely. You can protect yourself from too much sun.

At the same UV light intensity it takes to kill 99.9% of SARS-CoV-2 in 20 seconds, a person could be safely exposed to 222-nanometer light for up to one hour and 20 minutes.

Karl Linden advises various companies promoting the use of UV light for disinfection. He receives funding from federal agencies and industry to conduct research in his role as a professor at the ...