This New Prototype N95 Mask Designed by Harvard And MIT Is Reusable And Hygienic

This New Prototype N95 Mask Designed by Harvard And MIT Is Reusable And Hygienic

Not every mask is equal. As countries around the world grapple with varying levels of mask shortages, one of the most effective types of face masks for blocking airborne coronavirus particles has been reinvented – with a brilliant experimental twea

By Miki