Air quality can be impacted by smoke from wildfires. Our reporter set out to build an air filter — in a style the EPA praised, using only things she already had at home. It's almost summer, and if ...
Designed by engineers Richard Corsi and Jim Rosenthal during the COVID-19 pandemic, the Corsi-Rosenthal box can be built for about a quarter of the cost of some commercial air purifiers, and can help ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback