UV light-enhanced tooth bleaching is not only a con, ... tea and coffee, and smoking. UV light is claimed to further activate the oxidation process, improving bleaching efficiency.

The internet conspiracists are half right: most lights we have inside do emit UV, but not enough to harm us.

Choose light bulbs that have the lowest possible irradiance (intensity). Cover fluorescent and halogen bulbs with light shields or filters that remove UV rays. Look for shields with readings of 380 to ...

Sunscreen would need to be applied 20 minutes before UV light exposure, so around the time after the manicurist has finished soaking the hands and prior to painting the nails, Piliang said.

They synthesized carbon dots (CDs) with efficient UV emission, derived from a renewable and abundant biomass feedstock—green tea extract. This peer-reviewed article was published in Nano ...

Exposure to ultraviolet radiation is known to cause skin damage, including skin cancer. Now, new research has raised questions about the safety of nail dryers, which use UV light to dry and cure ...

UV light is a safe and effective means to treat water. High energy photons inactivate pathogens by attacking an organisms nucleic acids (DNA and RNA), denaturing them extensively such that the ...

When testing UV light with droplets containing coronaviruses or HIV, as people would encounter them in public settings, 30 seconds of exposure reduced the infectivity of the viruses by 93%.

Ultraviolet (UV) lights were the likely culptit behind the reported vision loss, eye pain and skin issues for at least 15 attendees of Yuga Labs’ ApeFest event in Hong Kong last week, the ...

The Brewster Inn recently had UV lights installed at their restaurant. These lights advertise, they clean the air up to 24 times an hour and, clear the air of 94% of airborne pathogens.

A lens for viewing UV light A series of coated lenses can allow people to see ultraviolet light superimposed onto the visible spectrum, extending the range of our senses without the need of ...