Inventor of N95 masks comes out of retirement to upgrade them
Hospitals are suffering a shortage of the single-use masks, leading inventor Peter Tsai to come out of retirement to find a way to sterilize them.
Various N95 respiration masks at a laboratory of 3M, that has been contracted by the U.S. government to produce extra marks in response to the country's novel coronavirus outbreak, in Maplewood, Minnesota, U.S. March 4, 2020. Picture taken March 4, 2020(photo credit: REUTERS/NICHOLAS PFOSI)ByDONNA RACHEL EDMUNDS
