This device will improve the air quality of any space it’s operated in. What we’re building here is called a Corsi-Rosenthal Box. It will actively filter air inside any building, removing a ...

When you think of solving complex public health challenges, you might imagine teams of scientists in sophisticated ...

The story of the Corsi-Rosenthal box—an easy-to-make and effective portable air filter—is an example of the grassroots response to the COVID-19 pandemic. Delta is raging. Is it really safe to ...