On view at the New Orleans Museum of Art from April 4 through August 10, the exhibition will then embark on parallel tours to venues in North America and Africa.

Federal officials still wanted to reserve surgical masks and N95 masks for frontline health care workers. States then began introducing requirements that individuals wear face coverings in public.

But the at-home LED market is on the verge of becoming a massive industry - with masks and other devices retailing for anything from £40 to £1,500. The technology harnesses the power of light ...