Princeton’s Howard Stone and CNRS’s Manouk Abkarian have directly visualized how speech and breath produce and expel droplets of saliva into the air.
Illustration by Matilda Luk, Office of Communications
How exactly do we spread droplets as we talk? Engineers found out.
Adam Hadhazy, Office of Engineering Communications Oct. 12, 2020
For the first time, researchers have directly visualized how speaking produces and expels droplets of saliva into the air. The smallest droplets can be inhaled by other people and are a primary way that respiratory infections like COVID-19 spread from person to person.