Researchers have improved upon techniques that use thin films to compress infrared light, demonstrating three advantages that ...

Sorry, can we talk about the price of sunscreen these days?” flashes across my phone screen. It’s a message from a friend who ...

New GM patent uses ultraviolet LED emitters and a photocatalytic coating to clean and disinfect touch screens.

Harnessing a tri-band UV LED system skillfully tuned to the peak attraction wavelengths of Aedes and Anopheles species, ...