I can see this has having the similar type of negative public health impact as the Dyson Blade dryers in public toilets, simply circulating fecal matter further in an enclosed space.
No one washes their hands perfectly (e.g., ready for surgery), so when you dry them there’s still a lot of bacteria present. Dyson dryers aerosolize those particulates, and they do it far more than other dryers.
Think of it this way — they don’t dry your hands, they blow the water off. Where does the water go? All over the bathroom. Dyson dryers disperse fluids up to 3 meters away.
That assumes everyone thoroughly washes their hands, which is unlikely. Dyson hand dryers, specifically, always have a nasty puddle of water at the bottom of their drying "crevice" in busy bathrooms.
I cannot even count all the times when I went to use these dryers at always-packed IKEA and immediately got a mouthful of water droplets. No idea if they came from my hands or somebody else’s. TBH I don’t want to know. I just dry my hands on my clothing now.
The blade dryers also make an excellent place to capture palm prints. People slowly push their clean hands spread wide in and out. I'd recommend against using such a device at a hacker conference...
This just sounds extremely manipulative and I don't see how I can trust this opinion. It also seems wrong:
the average person expels 300-500ml of this fluid a day in the form of a fine mist- an aerosol. You can see it in cold weather.
That's condensation from humidity in the air you breathed out. That's why you can only see it in cold weather. Does it really contain viruses? Any data on this?
This seems like a stretch. Barring some rather unexpected effect, this device will not change the amount of aerosolized pathogen emitted by a person. At most it will change the distribution — the aerosols will be presumably be mixed into a larger volume of air. So maybe they will spread somewhat father, but, if so, they’ll be more dilute.
[0] To the extent the wearer’s breath is sucked back through the filter, the total emitted pathogen load will be reduced.
It is not a stretch. This is why many hospitals require staff to wear an N95 (a hard shell mask—not a surgical mask—in order to prevent as little leakage as possible) underneath a PAPR. PAPRs (with the exception of the CleanSpace Halo if using a special adapter) do not have source control. (I personally use an Optrel e9000x PAPR with an N95 underneath for source control. If not able to use a PAPR such as on an airplane, I wear a valve-free P100 mask [MSA Advantage 900] over an authentic KF94 mask [see: https://behealthyusa.net/ for KF94]. Yes, I am immunocompromised...)
This Dyson device does not have source control, and yes, it is a super-spreader device.
There is proof that such devices are super spreading tools: hospital administrators wore a blow up costume in to a Kaiser Hospital ER and caused a huge COVID-19 outbreak.
This was when contact tracing was in effect in California.
This comment should NOT be downvoted. We are not comparing this device to somebody wearing a mask. We're comparing two mask-less people - one with, one without this device. In which case the quantity of virus expelled in their breath is equal, but the distribution of air is different. How this affects spread of disease is far from obvious.
It could spread more:
- it reaches more people
- it reaches people faster
It could spread less:
- much more diluted
- will dry droplets faster
- it works as a portable filter which filters part of the volume of air in that space
A lot of negativity here but I guess the target market is locations where the air pollution is bad enough that the benefits of escaping it outweigh looking like an extra from a sci-fi B-movie. I remember hearing on the radio in London how air pollution was going to be very bad one day approaching 10 on some scale. A scientist was being interviewed and was asked "Where would the pollution in Beijing be on this scale?", he replied "About 300"
Visited most cities in India (Delhi, Mumbai, Hyderabad, Bangalore) and the pollution is atrocious. I wanted to return back but had to stay on due to a business trip. I can't imagine why/how anyone would want to live in any of the big cities in India. Love the country though.
There is a strong within our executive team to offshore to Latin American countries.
I'm not sure how this is more compelling to use when Beijing is already comfortable with using masks, and we all suddenly have a giant pile sitting at home that aren't going to get a lot of use.
The function combination is too dystopian. The more I think about it, the more bizarre "luxury headphones with noise cancellation and air purification" seems.
Weird as they are, I need a pair! I currently use a face shield respirator helmet when the forest fire smoke gets bad and I still want to be outside working in the garden, so this would be more convenient!
Considering how much backlash there is around valved respirators, a purification system that blasts aerosolized droplets of spit out into the air seems like an obvious failure
Readit News
I can see this has having the similar type of negative public health impact as the Dyson Blade dryers in public toilets, simply circulating fecal matter further in an enclosed space.
Naomi Wu with the critique: https://twitter.com/RealSexyCyborg/status/150912514143903334...
Think of it this way — they don’t dry your hands, they blow the water off. Where does the water go? All over the bathroom. Dyson dryers disperse fluids up to 3 meters away.
https://arstechnica.com/science/2016/04/dyson-dryers-hurl-60...
Your hands -> Windstream
Windstream -> Goes everywhere
It's not even about Dyson dryers, but dryers in general
Dead Comment
the average person expels 300-500ml of this fluid a day in the form of a fine mist- an aerosol. You can see it in cold weather.
That's condensation from humidity in the air you breathed out. That's why you can only see it in cold weather. Does it really contain viruses? Any data on this?
[0] To the extent the wearer’s breath is sucked back through the filter, the total emitted pathogen load will be reduced.
This Dyson device does not have source control, and yes, it is a super-spreader device.
There is proof that such devices are super spreading tools: hospital administrators wore a blow up costume in to a Kaiser Hospital ER and caused a huge COVID-19 outbreak.
This was when contact tracing was in effect in California.
See: https://www.nytimes.com/2021/01/03/us/kaiser-san-jose-outbre...
Comments on r/Medicine subreddit: https://old.reddit.com/r/medicine/comments/kpjs8s/inflatable...
It could spread more:
- it reaches more people
- it reaches people faster
It could spread less:
- much more diluted
- will dry droplets faster
- it works as a portable filter which filters part of the volume of air in that space
Visited most cities in India (Delhi, Mumbai, Hyderabad, Bangalore) and the pollution is atrocious. I wanted to return back but had to stay on due to a business trip. I can't imagine why/how anyone would want to live in any of the big cities in India. Love the country though.
There is a strong within our executive team to offshore to Latin American countries.
Please be an early Apr fool's ...
Has it really gotten this bad? If so I hope this is a wake up call, we don't want to live in a Mad Max: fury road reality, right?
[1] https://www.therpf.com/forums/attachments/107e65287a72a2732d...
I think timing product launches to cause such speculation may be a deliberate tactic.
Reminds me of Scorpion and, "get over here" from Mortal Kombat - https://www.deviantart.com/bakerrrr/art/Scorpion-GET-OVER-HE...