Viewing profile — chongman99

What is the rationale for "isn't easily repurposed"? The hardware can train LLM but also be used for vision, digital twin, signal detection, autonomous agents, etc. Military uses s…

I can't say anything about this mask that has a ton of cloth, but we had people wearing the http://bunnypapr.org in New York City summer. They did fine. There is a fan blowing 30 t…

Thanks for the link. I run viralhelmets.com and a few people came and visited the site based on google analytics. Looking at the log files, I found this backlink.

We tried getting visibility with bunnyPAPR.org and now with the $15 Hoodie Viral Helmet (slimmer). The mass market appeal of these is quite low. People are tired. Hospital market w…

Take a look at my instructable on filters and fans. https://www.instructables.com/Viral-Helmets-9999-Hospital-Gr... I also posted in reddit about it. https://www.reddit.com/r/cospl…

On the viralhelmets I make, the fans are about the same loudness of laptop fans. You do have to talk louder, but you can still hear.

This is not technically true (but often true). Water vapor is a gas and is much smaller than the "leaks" of particles. A perfectly sealed filter (like an elastomeric mask with high…

I'm sharing my ObservableHQ notebook that gives COVID aerosol risk estimates for schools, work, shopping, and other activities. You can adjust sliders to get counterfactuals/what-i…

We have put out an open source* design of a $15 to make a "Hoodie Viral Helmet". It's basically a PAPR built from hospital grade filters. If you are interested, go take a look: htt…

That was that thinking in April, but more careful studies are showing that wearer protection is quite high. And that bandanas and neck gaiters do actually offer reasonable protecti…