A preliminary study published Monday by the National Institute for Standards and Technology found that facial-recognition algorithms could be tripped up by such variables as mask color and shape.

The team, from the University of Massachusetts Lowell and California Baptist University, says the findings provide evidence for why mask shape should be considered when examining their protection ...

Face shape influences mask fit, suggests problems with double masking against COVID-19 Proper fit crucial for optimal mask protection Date: May 3, 2022 Source: American Institute of Physics ...

Fibers are not the only factor in filtration. Masks of all kinds vary in filtration efficiency based on their shape and fit. Loose-fitting masks or those pressed against facial hair allow aerosols ...