Researchers have developed a desktop air curtain system that blocks all incoming aerosol particles. An air curtain, or air door, is a fan-powered ventilation system that creates an air seal over an entryway, but one challenge in developing smaller air curtains is fully blocking emitted aerosol particles over time because it is difficult to maintain the air wall over a long distance.
Click here for original story, Desktop air curtain system prevents spread of COVID-19 in hospital settings
Source: ScienceDaily