My kids have been wearing masks for 3-4 hours most days (8am-12pm-ish) outside in the heat and humidity with no ill effects, even while they run and climb and do other aerobic things (I have been wearing mine for similar timeframes, but I usually manage to just sit on a bench in the shade, so it's possibly less relevant experience :) ).   It definitely takes some getting used to, but it's much less uncomfortable to wear a mask for hours in July than I would have predicted.  

On Thu, Jul 23, 2020 at 10:05 AM <lauradi@rcn.com> wrote:
I am a hardcore face covering advocate. I wear a 2 layer mask for most trips out of the house, and this one for running, lawn mowing, or distanced Tai Chi in the park

https://policyviz.com/wp-content/uploads/2020/04/mockup-bc402840.jpg (it's John Snow's cholera map, the one that led to the removal of the pump handle). I have added extra elastic to some of them to make sure they don't slip down. I see a lot of people whose noses are not covered, and I think fit may be part of the problem.
That is a preface to me saying that if ringing resumes without the requirement for consistent, correct cloth or surgical mask coverings inside, I won't be there. Also, for my own protection, I try not to be near people wearing masks with the valves that let their expirations out.
To make sure that it was legit for me to say that people should be masked to ring, I spent twenty-two minutes this morning masked (commercial 2 layer mask plus extra elastic) raising my arms up above my head and down repeatedly at what I guessed would be ringing speed. The mask was not dislodged. My shoulders claimed that it was harder than ringing, but I was not short of breath in any way. I'm still wearing the mask, because in real circumstances like going to the grocery story, I put the mask on before I leave the house and don't remove it until I am home again, so I presume that to ring for 15 minutes I'd be masked for a couple of hours.
A test is a snapshot of one moment in time. One could test negative and be infected the next day, which is why Yale, for example, has claimed that they will test returning students every three days.
One thing to remember about personal safety is that quantity of the virus that one is exposed to matters. That is why outdoors is better than indoors, mask is better than bare face, etc. Stuff adds up. A combined approach is best.
The Advent is requiring masks for worshippers. Old North is requiring masks for visitors to the historic talks (no services for a couple of months yet). I think it's clear that they would expect us to be masked as well when we are in their buildings.


Laura Dickerson


PS Doctor in Dublin wears six surgical masks on top of each other to show that oxygen levels don't go down. There area lots of others like this
https://www.youtube.com/watch?v=k5npQivAmcE


John Oliver talking about conspiracy theories from last Sunday (worth seeing. 22 minutes long)
https://www.youtube.com/watch?v=0b_eHBZLM6U



-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://cosmos.phy.tufts.edu/mhonarc/boston-change-ringers/attachments/20200723/86e419b7/attachment.htm>
_______________________________________________
Boston-change-ringers mailing list
Boston-change-ringers@cosmos.phy.tufts.edu
https://cosmos.phy.tufts.edu/mailman/listinfo/boston-change-ringers