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 ...

We're all getting used to wearing face coverings while out and about, and you may have noticed that several masks have a small slot to place a filter for extra protection. Adding a filter in between ...

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 ...

(NEXSTAR) – Before coronavirus, many of us only saw face masks at the doctor’s office. These days, they’re everywhere, and available in a variety of shapes, sizes, colors and patterns. The Nexvoo ...