Researchers at Harvard University have developed a lithography technique that uses an array of microscopic lenses to shrink patterns more than 1000 times and repeat them across a surface. The ...

The US Centers for Disease Control recommends that all Americans wear face masks in public to reduce transmission of Covid-19. The agency maintains that “it is critical to emphasize that maintaining 6 ...

With face masks now manadatory in shops, what is the best way to make your own at home? Bethan Holt is The Telegraph’s Fashion Director. Although she covers everything from catwalk shows to the latest ...

San Antonio – Update: Nurse Tommye Austin is sharing her pattern and step-by-step instructions for making a mask with up to 99.5% filtration efficiency. The pattern is for non-commercial use only and ...