With allergens, disease, odors, and dust building up over the winter months, there are many reasons to consider an air purifier for your home. While there are impressive air purifiers you can buy with ...

ITHACA, N.Y. — Ithaca High School teacher Hallie Snowman is turning box fans into air filters for classrooms at the high school with the purpose of reducing COVID-19 transmission. The 11th and ...

It's back-to-school season. So does your kid's classroom, or your own work-from-home space, need a DIY air purifier? Maybe. And it's not hard to make one. Corsi-Rosenthal Cubes, are essentially "do it ...

SAN DIEGO — Thinking outside the box, students took COVID safety into their own hands. "It’s a box fan, and then you make a cube out of these filters that you can buy at any hardware store, super ...

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 ...

Correction: (March 25, 2025) In the thirteenth paragraph, “within 3 to 4 feet (91 to 120 centimeters)” should be “within 8 feet (244 centimeters).” An edit has been made in the press release to ...

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Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Improving workshop air quality is a concern for everyone—who wants to breathe in all ...

Eric Schildge is terrified to go back to school in a few weeks. An 8th grade English teacher in Newburyport, the fear of in-person learning during a pandemic is familiar to him. He was in the ...

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