mask

1 posts
Math behind wearing masks

The math behind wearing a mask can seem unintuitive at times. Minute Physics and Aatish Bhatia break it down in this illustrated video to show why wearing masks works: The premise is that there’s a two-way effect with breathing in and breathing out. There are some assumptions here, but there’s an interactive component that lets you adjust the variables. They’ve also made the code available. Tags: Aatish Bhatia, coronavirus, mask,...

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Tracking who’s wearing masks correctly

For The Los Angeles Times, Casey Miller went hyperlocal to track mask wearing in three locations in Los Angeles and Orange counties. Over a week, a group of reporters counted people who passed by and tallied if people wore their mask correctly, incorrectly, or no mask at all. The above is the breakdown for a spot on Main Street in Huntington Beach. Maybe the best part is that there’s a...

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How air spreads on a subway train

If someone sneezes in a closed space, you hope that the area has good ventilation, because those sneeze particles are going to spread. The New York Times explains in the context of a subway train. Wear a mask. Tags: coronavirus, mask, New York Times, simulation, subway

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Wearing masks and infection rate

Studies suggest that wide adoption of masks can reduce the spread of the coronavirus. A meta-analysis by Ali Mokdad and his research group at the Institute for Health Metrics and Evaluation estimates at least a 30% reduction and up to 50%, which can lead to a big difference, as illustrated by Connie Jin for NPR: Wear the mask. Tags: Connie Jin, coronavirus, mask, NPR

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Where people are wearing masks

NYT’s The Upshot ran a survey through the data firm Dynata asking people how often they wear a mask in public. The Upshot then mapped the likelihood that a random group of five people are all wearing masks: These variations reflect differences in disease risk and politics, but they also may reflect some local idiosyncrasies. Elizabeth Dorrance Hall, an assistant professor of communications at Michigan State University, said mask behavior...

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How to sew a mask, with a template

The Washington Post provides clear instructions on how to sew your own mask. Download and print the template, attach elastic straps, and sew. Tags: coronavirus, mask, sewing, Washington Post

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DIY masks, balancing filtration and breathability

The CDC now recommends that you wear a cloth face mask if you leave the house. For The Washington Post, Bonnie Berkowitz and Aaron Steckelberg answer some questions you might have about making your own, including the chart above. You need material that provides both filtration and breathability. Tags: coronavirus, mask, Washington Post

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