OpenERV
OpenERV
@openerv.bsky.social
I've designed and am trying to mass produce fans for cr-box style air purifiers, which are far far quieter for greater airflow than the usual box fans. About 10% more flow for 1/220 the noise energy (24 db). Www.bigquietfan.com
292 followers33 following840 posts
OpenERV reposted
So fucked up. Criminals at the helm. Overhaul everything, throw them all out and get decent people in.
It is very distressing to learn that the BC government is cutting support for essential virtual services for long COVID. For the more than 300,000 British Colombians this is a poorly considered and devastating set back. More funding, not less is needed for long COVID care! @covidsociety.ca
Ok but there diy measurements are off by 26% compared with their lab measurements, and you can see it's partly because their protocol is no good. No control run for instance. For all we know if they don't know how to do it it may be the lab measurements that are borked... Neither means much.
DIY air filters provide more bang for the buck. www.sciencedirect.com/science/arti...
OpenERV reposted
Replying to @openerv.bsky.social
Her obituary in Stat has links to some of her stories. I remember the last week in Jan 2020 listening to the cdc press conferences and hearing Helen ask questions. I was so impressed so I looked her up and have been reading her work since. www.statnews.com/2026/10/13/h... via @statnews.com
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Replying to @ericumansky.bsky.social
The government is also, as we reported yesterday, separating children from families in the interior, labeling them "unaccompanied," putting them in shelters, and using payments and coercive memos to get them to give up their legal rights and leave the country.
Heat pumps are pretty awesome but solar thermal is definitely better. So are ervs. Better roi, whether it's dollars or kWh you are after. I'm a way this is just politics, then. I mean it's good that it's kind of aligning with what really matters but it also isn't, is it. Not very well.
This is a great program! But would like to see much more investment like this! Solar panels, batteries, electric cars etc! Good one @mark-carney.bsky.social ! 🇨🇦 Keep-’em coming!
OpenERV reposted
Yeah, that coughing and "something going around" discussions is COVID. That nice low summer is over. Toronto's wastewater viral load is showing a consistent upward trend in COVID-19 and nearly zero levels of influenza A & B and RSV. wwater.ca/Ontario/Toro...
OpenERV reposted
OpenERV reposted
On 9/11, US airspace closed, Canada launched Operation Yellow Ribbon. Gander, a town of 10,000, received 38 airliners. Residents immediately sheltered, fed, clothed, and supported stranded passengers for days, providing this hospitality free of charge. interestingengineering.com/culture/oper...
After all this time, people still have not even begun to clue in to the reality not only of climate change but more critically the underlying causes of the inaction to address it. The ruling class maintains their grip on both the bodies and minds of the great majority.
41 years ago, Carl Sagan gave a clear and elegant explanation of the science behind global warming.
Yes please do. I noticed there is a very unusual streak of irresponsibility in American culture. But the lunatics are actually your neighbors etc and nobody else can solve this problem. Either you do it or it doesn't get done, and you go down too.
Exactly 3 months from today is the most important midterm election in our lifetime. Our opportunity to hold him accountable. Register to vote here: Iwillvote.com The stakes have never been higher. Show the world the majority of Americans are good, decent, honest people. #VoteBlue🗳️ #RejectMAGA 👎
But remember there are many many more women who have and today do have the capacity to do this kind of thing and more and yet are denied the opportunity to even try. We need to stop the hero worship thing for the future, that can be done while appreciating the heros of the past.
Chemist & X-ray crystallographer Rosalind Franklin's meticulous research was instrumental in uncovering DNA's molecular structure. Most famous for her role in the DNA double helix discovery, her work also revolutionized our understanding of viruses & coal. She was born #OTD in 1920. #WomenInSTEM 🧵
OpenERV reposted
The only way at this point is to stop fossil fuel infrastructure, as trump is doing. Maybe that's what they are doing? I somehow doubt they are that smart.
Climate change is not a mythical creature. It's science. You either *understand * it or you don't. Big Oil companies have known about climate change for decades, but continue to destroy our planet for profit. It’s time to make big polluters pay for the damage they have done to our precious planet.
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On July 19, 2026, the COVID-19 Long Haulers Discussion Group on Facebook will host an online meeting (https://www.facebook.com/groups/covidlonghaulers) with Cat Fraser, a public health advocate and strategist who's developed a “bioreality” tool (https://laboflivedexperience.com/).
OpenERV reposted
You'd need approximately 3.3 per classroom to meet ashrae 241 and also ansi 12.60 (noise) at the same time. More if you need 40 cfm per person or more (outbreak scenario) and it's a large class.
🧵 1/7 Wouldn’t it be great if every classroom had one of these? Less viruses. Less allergens. Less dust and pollution.
OpenERV reposted
In a way it's hilarious people are surprised though. The American gov and esp military is a bunch of genocidal psychos that murder little girls all the time. You really can't expect a shred of decency in any way shape or form. Shun them or get eaten.
Hegseth Strikes Female and Black Navy Officers From Promotion List. The net result: a slate of 22 new one-star admiral nominees that bears little resemblance to the broader force these officers will help lead. Of special note: The list has no women. www.nytimes.com/2026/06/01/u...
This subject comes up every once in a while. People always think a return to some supposed golden age is the answer. I don't. We should leapfrog ahead to good engineering, leveraging the best tools and infrastructure there is.
Bring back single function devices. And gas stations that only sell gas. Thanks. #SmartIsDumb #PlannedObsolescence