N95 mask inventor abandons retirement plans to aid in COVID-19 crisis

Published: Apr 26, 2020, 07:45 PM(IST)
As researchers scramble to find a way to safely disinfect N95 masks for reuse, many are turning to the man behind its virus-blocking technology. Peter Tsai invented the filtration fabric inside the mask nearly 30 years ago, and spent decades perfecting it, before retiring from the University of Tennessee last year.
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