The only thing I can not understand with the mask story. How can they hold back (part of) the CO2, which is among the smallest molecules imaginable, while not holding back the comparatively much larger aeresols with the virus particles?
The only thing I can not understand with the mask story. How can they hold back (part of) the CO2, which is among the smallest molecules imaginable, while not holding back the comparatively much larger aeresols with the virus particles?
The only thing I can not understand with the mask story. How can they hold back (part of) the CO2, which is among the smallest molecules imaginable, while not holding back the comparatively much larger aeresols with the virus particles?