A bus being treated with ultraviolet light in Shanghai, China. Although types of UV light are already in use to decontaminate vehicles and indoor spaces, the wavelengths used are dangerous to people.

The COVID-19 pandemic has fundamentally changed many of our behaviours and attitudes towards infection control. Hand hygiene was one of the earliest and most adopted measures to counteract the spread ...

Researchers have built a new platform that produces ultrashort UV-C laser pulses and detects them at room temperature using atom-thin materials. The light flashes last just femtoseconds and can be ...