Wuhan Killer Sneeze (thanks Tea)

[WashYourHands]

But look at the red underlining!

(Again!)

 

[Leo]

red underlining is there to point out the very important parts that senile old vaxxer sheeple are too clueless to notice. it's a public service.

 

[Mr. Tea]

I'm still waiting for one of the galaxy-brain crowd to explain how a cloth mask can seriously impede the passage of oxygen molecules while also being totally ineffective at blocking virus-laden saliva droplets 10,000 times larger.

 

[mixed_biscuits]

Read that paper, perhaps?

 

[Mr. Tea]

Read that paper, perhaps?

Doesn't look like it mentions the efficacy of masks in blocking virus transmission.

 

[mixed_biscuits]

It does talk about oxygen and carbon dioxide levels tho

 

[john eden]

Is posting on Dissensus free from undesirable side effects in everyday use.

 

[Mr. Tea]

It does talk about oxygen and carbon dioxide levels tho

Right, but you are, as usual, totally evading the point.

O2 molecules are of the order of 100 pm. Respiratory droplets start at 1 um (four orders of magnitude larger) and go up to about 1 mm.

So the claim that masks are effective at blocking oxygen or carbon dioxide contains an implicit admission that they must be (extremely) effective at blocking virus transmission. Contrarily, if masks are ineffective at blocking droplets and viruses, there is no way they can seriously impede the passage of small molecules such as O2 or CO2. Each claim invalidates the other, yet you've made both claims, repeatedly.

 

[mixed_biscuits]

It's to do with relative concentrations of the gases rather than individual molecules being completely blocked.

If you leave your window slightly ajar your room will build up more CO2 than if you have it wide open.

 

[john eden]

If you hold your breath forever there will be more of a build up of CO2 than if you wear a mask.

 

[john eden]

If you hold back from posting bad posts, there will be more of a build up of bad posts than if you do a few a day also.

Worth thinking about.

 

[Slothrop]

Masks have no impact on O2 and CO2 levels, it's just seasonal variation.

 

[HMGovt’s Glorious Return!]

Are you people seriously entertaining the idea that the same amount of gaseous oxygen, water vapour and carbon dioxide pass in and out, regardless of whether there's a mask in the way?

Is this why sailing ships didn't work?

 

[john eden]

Is it possible that our nautical comrades have experimented with different materials, me hearties, in the same way that the medical supplies lads have.

 

[john eden]

I once went on an ocean voyage with sails made of wool and let me tell you, it took a lot longer than I had anticipated.

 

[woops]

I once went on an ocean voyage with sails made of wool and let me tell you, it took a lot longer than I had anticipated.

gives you plenty of time to enjoy those candy-floss clouds though, as you sail over seas of lemonade.

 

[Mr. Tea]

Are you people seriously entertaining the idea that the same amount of gaseous oxygen, water vapour and carbon dioxide pass in and out, regardless of whether there's a mask in the way?

Is this why sailing ships didn't work?

The point isn't whether or not they have any measurable effect on airflow, but whether they have enough of an effect to harm your health. Medical-grade masks, which I'm sure are much more airtight than the cheap cloth masks you can buy in a supermarket, are worn by surgeons for hours on end. That's not a job you'd want to do if you were delirious from hypoxia.

 

[john eden]

gives you plenty of time to enjoy those candy-floss clouds though, as you sail over seas of lemonade.

That aspect of it was good, woops, absolutely.

My old boss was less than impressed when my two week vacation turned into six months though!

Then I was off on paternity leave shortly after due to that woollen condom incident. He was livid!

 

[mixed_biscuits]

@Mr. Tea ...except there are also studies pointing out deleterious effects on medical personnel's health...

 

[john eden]

Is it possible that people have done a risk assessment of surgical masks and decided that they are the best option to reduce some risks and eliminate others. Or is it simply the power of Big Mask Manufacturing that forces the naive surgeons to use them.