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 ...
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 ...
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