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If there isn't a soapbox we'll just make one - I am guilty of slipping down this slope. My (well known) weakness: I may not start the political but I'm easily lured in to the fray. I was actually going to delete my last post - literally seconds too late.
I'm not saying we ought re-institute a soapbox as it sucked up too much effort and was never better an investment than pharting-into-the-wind.
Just giving my mia culpa for this - I can try to do better - but am afraid I may slip and fill now and then.
This is trolling on so many levels. But it does not surprise me from a leftist who fights global warming but supports Trump at the same time. I presume you are the kind of guys who think the Brexit was a good thing or that Corona virus was created by evil minions in a hidden P4 institute in China.
Anyway, I cannot believe you are posting such trivialities to get sympathy and harvest reputation points.
How good I am at reproducing the actual Soapbox content - I've been there only a couple of times ? Is the nostalgia kicking ?
Wow, just had a look at the thread about the mask, I think I am still in second league. But I enjoyed the read, since people who are arguing tend to use very good English - probably for not being easily accused of trying to argue without even being able to write three words properly.
Firstly, since in real life I was a for-really scientist I am used to the International Language of Science: Broken English.
Thus, when I see (Very mainly) posts from non-native English speakers that are better than far too many US citizens could ever post, I admire it.
The best I do, for now: I stream EuroNews. The English version is pathetic: often putting up PR for the Emirates in the guise of news, very often days behind, leaving out important item (even w.r.t., for example England), and on and on). However, the German version is far more up-to-date, far more neutral in its postings and doesn't have the Emirates commercials. So I watch. First, to learn useful German vocabulary (as in reading the text - my vocabulary is crazy; for chemistry: Schwefelsäure und andere Verbindung, anybody?). Then, the hard part: listening to the voice (voice-over). Much harder than reading. Especially when the background voice is almost as loud as the German narration. But I'm learning to listen and picking up useful words (slowly).
However, the arguments - using very good English? Well - maybe. Some of them, however, are from England, Ireland, Scotland, and/or Wales. They will lead you to corruption and sin.
How about some irony (maybe even Shadenfreude?): the thread is locked and yet it's featured in CP's "Daily News" mailing.
Well, since that thread was locked I have to answer here instead. I don't think the technical part we were discussing was the reason for the lock.
W∴ Balboos, GHB wrote:
Interestingly - "fine mesh" - can be obtained in more than one way. A single thing sheet of very tightly woven material or many layers of less tightly woven material. The former (fine mesh) will react poorly to pressure increases and redirect to vent said pressure; the latter (if the coarser mesh doesn't get extreme) doesn't have the problem with pressure (by comparison) but does effective trapping of droplets as the wend through the contorted path between mouth and "outside", trapping droplets on the fibers during many collisions.
I thought you might find it interesting that those N95 (Actually N,R,P 95,99,100) masks we read about all the time nowadays are having much larger "mesh" than viruses.
They work by being made made from a nonwoven material with statically charged fibers, and particles are forced to make a lot of turns when following the air stream and are getting stuck on these statically charged fibers.
They also don't lose efficiency when being used a lot, they just get heavier to breathe through.
Basically an agreement. As for a mesh small enough to trap a virus? It would, for all practical purposes, be impermeable - at least in terms of breathing through it. Virus' are extraordinarily small.
When Louis Pasteur was trying to isolate the rabies virus he found it passed through his finest filters. Virus' are basically large molecular scale entities. Now one doesn't emit virus' on their own (such as during a cough or sneeze) but as content of the droplets - and even the smallest droplet can contain an unaccountably large number of virus' (of various types, concurrently).
Taken to the next smaller level - masks against poison gasses - far smaller than a virus. They rely upon adsorption (such as activated charcoal) and decomposition/reaction, such as (imaginary scenario) trapping chlorine gas with sodium carbonate (going to Nacl (salt) and CO2.
The thing is that to prevent outgoing (masks worn by the public) it may make more sense to target the droplets with (moisture) adsorbent surfaces (threads) in a comparatively free flowing but thick-enough matrix. Easier to get. Easier to wear for longer periods. Easier to clean/reuse. And I'd suspect, more effective.
Don't know, I'd refer to Erwin Schrödinger for this one.
"the debugger doesn't tell me anything because this code compiles just fine" - random QA comment
"Facebook is where you tell lies to your friends. Twitter is where you tell the truth to strangers." - chriselst
"I don't drink any more... then again, I don't drink any less." - Mike Mullikins uncle
As far as I know you have a cat: why does it even enter your mind to pose the question?
Cats have long memories and don't even consider allowing having bad things done to them again.
After all they do have personnel to take care of them.
After the success of my first galaxies, the next night I headed out again, new target and tried longer exposures, and pretty much used up the camera battery on the one target taking around 60 x 120s exposures. After stacking them and rejecting some fuzzies, and then tweaking I ended up with what I thought was a reasonable outcome!
It never ceases to amaze me at the shear numbers involved in these objects. Millions of lights away, thousands of light years in diameter and containing billions of stars.
One of my pals pointed out that of one of the pictures I caught the first night, when the light photon journey started travelling away from the target, dinosaurs were still on the Earth. I had never really thought about it like that!