How Masks capture your Exhaled Covid19 virions

I wore Masks to protect semiconductor crystals from aerosol and droplets exhaled through my mouth and to protect others in case I was an Asymptomatic spreader. I don't expect them to protect me.

My history as a Proud Face Mask Wearer

I was once asked to pose for the Australian Department of Foreign Affairs and Trade for their publicity of R&D capabilities while I was working for Telecom Australia, now known as Telstra.

Normally I would have been wearing a Mask if growing heteroepitaxial semiconductors using the MOCVD apparatus shown.

You can see …