Coughing Dummies Help Boeing and United Track Viruses on Planes

For the past four months, United Airlines and Boeing Co. have been flying around jetliners loaded with mannequins, aerosol sprays, sensors and scientists in an effort to understand how contaminated air moves through passenger planes. The U.S. military initiated the $1 million study when the spread of Covid-19 raised concerns about infection risks for troops transported on passenger jets. (www.msn.com) Mais...