Tweet from PennNETS
.@PennEngineers Professor Shu Yang has a leading role in an effort to design an effective face mask that can be mad… https://t.co/e1ip0Kb741 April 10, 2020, 8:44 pm
.@PennEngineers Professor Shu Yang has a leading role in an effort to design an effective face mask that can be mad… https://t.co/e1ip0Kb741 April 10, 2020, 8:44 pm
