New model connects respiratory droplet physics with spread of Covid-19

A droplet suspended in an acoustic levitator. Image: Abhishek Saha, UC San Diego

Experimental setup showing the acoustic levitation of a droplet illuminated by a cold LED source. A diffuser plate is used for uniform imaging of the droplet. A CCD camera fitted with the zoom lens assembly is used for illumination. The schematic is not to scale. Image: Chaudhuri et al.

A flow-diagram outlining the interconnections of the model. Image: Swetaprovo Chaudhuri, Saptarshi Basu, Prasenjit Kabi, Vishnu R. Unni, and Abhishek Saha