A Corsi-Rosenthal box costs about $100 to make, requiring only four air filters, a box fan and some cardboard and duct tape. Michael Hogue Life in North Texas has largely returned to a pre-pandemic ...

The researchers also found that the Corsi-Rosenthal boxes increase sound levels by an average of 5 decibels during the day and 10 decibels at night, which could be considered distracting in certain ...

One afternoon, a dozen Arizona State University students gathered to spend the morning cutting cardboard, taping fans and assembling filters in an effort to build 125 portable air purifiers for local ...

PROVIDENCE, R.I. [Brown University] — A team of researchers from Brown University's School of Public Health, Brown’s School of Engineering and Silent Spring Institute found that simple air filtration ...

One afternoon, a dozen Arizona State University students gathered to spend the morning cutting cardboard, taping fans, and assembling filters in an effort to build 125 portable air purifiers for local ...

Life in many places has largely returned to a pre-pandemic normal. People are tired of masking and remaining socially distant, even though contagious COVID-19 variants show no signs of going away ...

Building a Corsi-Rosenthal box portable air filter comes down to duct-taping together a set of furnace filters and a box fan. (Photo by Douglas Hannah/CC BY-ND) This is your first of three free ...

Building a Corsi-Rosenthal box portable air filter comes down to duct-taping together a set of furnace filters and a box fan. Douglas Hannah, CC BY-ND One afternoon, a dozen Arizona State University ...

DALLAS -- Life in the U.S. has largely returned to a pre-pandemic normal. People are tired of masking and remaining socially distant, even though contagious COVID-19 variants show no signs of going ...

A study found that inexpensive, easy-to-assemble Corsi-Rosenthal boxes can help reduce exposure to indoor air pollutants. The air filters have already been shown to reduce particles carrying the ...

Life in North Texas has largely returned to a pre-pandemic normal. People are tired of masking and remaining socially distant, even though contagious COVID-19 variants show no signs of going away ...