MinutePhysics

The Astounding Physics of N95 Masks (2020x3)

Data emisji: Cze 18, 2020

"The electrostatic charge of N95 masks is a major contributor to their filtration efficiency, improving it at least 10-fold over uncharged fabric" (Tsai et al., Journal of Electrostatics 2002; Peter Tsai, personal communication).