What is SPF, and how is sunscreen's sun protection factor tested in the laboratory?

With sunscreen testing in the spotlight this year, how do laboratories test how effectively products protect our skin from ...
Government Technology

Type of Ultraviolet Light Most Effective at Killing Coronavirus Is Also the Safest to Use Around People

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 ...
Business Wire

UVDI V-MAX™ UV-C Technology Proven to Eliminate 99.99% of Airborne SARS-CoV-2 in Moving Airstream HVAC Testing

VALENCIA, Calif.--(BUSINESS WIRE)--UltraViolet Devices, Inc. (UVDI) announced its V-MAX™ UV-C air disinfection technology has achieved 99.99% inactivation of Severe Acute Respiratory Syndrome ...
CBC.ca

Health Canada testing compact fluorescent bulbs for harmful radiation

Health Canada says it is testing compact fluorescent bulbs to measure potentially harmful ultraviolet radiation and electromagnetic-field exposure levels. It reportedly started the tests in December, ...