Commercially available transparent face masks allow for the perception of facial expressions while suppressing the dispersion of respiratory droplets that spread the SARS-CoV-2, and thus have a clear ...

What to Know Before Making and Wearing a DIY Mask That's why for the last two years, the Swiss Federal Institute of Technology Lausanne (EPFL) and the Swiss Federal Laboratories for Materials Science ...

Commercially available transparent face masks allow for the perception of facial expressions while suppressing the dispersion of respiratory droplets that spread the SARS-CoV-2, and thus have a clear ...