3M scientists: This Corsi-Rosenthal box movement is legit

 What can you build with duct tape, air filters, and a box fan?

This might sound like the set up for a dad joke, but according to new insights from 3M, the answer is less of a punchline and more a breath of fresh air: Corsi-Rosenthal boxes.

What is a Corsi-Rosenthal box?

The box is a do-it-yourself air filtration device that is an alternative to traditional air purifiers on the market. It was popularized by an indoor air quality researcher and an air filtration expert in the summer of 2020 and designed to help reduce the number of virus-laden aerosol particles in indoor settings.

The design is straightforward. You need one box fan, four high-quality air filters, duct tape and some cut-out cardboard. Most boxes can be constructed in less than 45 minutes with materials costing about $80 to $100.

But does it work?

The short answer is yes.

https://news.3m.com/2022-02-24-3M-scientists-This-Corsi-Rosenthal-box-movement-is-legit

@rebtanhs Montgomery County health officer: 30 percent of new infections are among those 18 and younger.

Montgomery County health officer: 30 percent of new infections are among those 18 and younger. It's largely a mix of children under 12 (not eligible for vaccines) and those ages 12-18 who are eligible but have yet to be vaccinated.

— Rebecca Tan (@rebtanhs) September 22, 2021

Petition: Outdoor Lunch as Plan A for MCPS - Sign here!

 Dear MCPS leaders and Board of Education members,

Thank you for all your work planning for the upcoming coming school year. We truly understand that there are many competing priorities with limited resources in one of the largest school systems in the country.

We appreciate your commitment to using outdoor spaces and urgently need a more detailed plan for using outdoor spaces during unmasked lunchtime.

In the 2021-2022 Recovery Guide released today, August 13, MCPS committed to: "[e]ncourage the use of outdoor spaces for unmasked educational and social experiences for our students" and also that "[s]tudents will be able to eat breakfast and lunch in cafeterias and other available eating areas. When cafeterias are used in elementary schools, each class will be assigned to sit at a designated table. Schools will receive support in considering ways to maximize outdoor spaces."

We, as parents and potential vital support for many school implementations, are eager to also see these support resources to help maximize use of outdoor space.

Endorsement of outdoor innovation is an essential first step, and the next move is systematic investment in making it possible for principals to establish outdoor innovation. The risk of SARS-CoV-2 transmission is over 18 times lower outdoors. And, the CDC says "Eating meals outside is best." Lower risk of transmission means a safer environment for staff and students and likely fewer disruptions to in-person instruction. We have many local public schools taking their meals and learning outside:
* Arlington Public Schools - Outdoor Lunch
* Fairfax Public Schools invest in outdoor learning
* Baltimore City Schools - Outdoor Learning Model
* Green Schoolyards America - Taking School Meals Outdoors...

https://docs.google.com/forms/d/e/1FAIpQLSeI6PCgkwSYI__UbUZcyoyG47Ce_XlzqL_gxXetw0MGhn1D6g/viewform?fbclid=IwAR1WPLh_1Xn3t5-qLBVcsYmRla7jiAQvCHFFTNy34En3_d14_Ai1buf4M_I