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Apple Faceshield

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Re: Apple Faceshield

#81

Post by infecto »

klohto wrote: post #33
infecto wrote: post #19

Earlier quoted context omitted.

Why sad? This is a massive global issue that we have not experienced in modern times. Who cares about attribution. Apple has donated a bunch of masks? Who cares its just a face mask and this design is different then what Prusa is printing. As long as lives are being saved thats all that matters right?

It’s not like if you mention him you lose bunch of time and people die. The design should go out by any means possible, but is one line of attribution so bad?

Its not even an exact copy of his design. /thread

Re: Apple Faceshield

#82

Post by mys_721tx »

TheSoftwareGuy wrote: post #50
762236 wrote: post #15

Where they describe how to sterilize it: DO NOT mix those chemicals together (e.g., bleach + rubbing alcohol = chloroform).

interesting, that's a new one I didn't know about. I've always heard the Bleach + Ammonia = Mustard gas, but not that one

Bleach breaks down to chlorine, which in turn reacts with ammonia to form chloramine. Mustard gas has sulfur and cannot be synthesized this way.

Re: Apple Faceshield

#83

Post by jhweoiru »

stellar678 wrote: post #73
briefcomment wrote: post #66

Is this significantly less effective than a normal surgical mask because of the large gaps?

Given that it covers the eyes, seems better than a surgical mask. Surgical masks aren't really filtering anything microscopic that's floating in the air, just blocking spit and other macro stuff.

Wrong. Surgical masks block about 75% of small particles, N95 respirators block 95%+.

Re: Apple Faceshield

#84

Post by tiredwired »

docbrown wrote: post #35
woofie11 wrote: post #20

Earlier quoted context omitted.

I was hoping everyone in the US might be able to buy one. Ideally, they'd be cheap enough for municipalities to buy and distribute.

> I was hoping everyone in the US might be able to buy one. This burst of PPE being produced in mass quantities are and were never meant to go in the hands of the general public (i.e., non healthcare workers), though. The general public does not need to be walking around with a full face shield, that’ll be a waste of materials, time and money, unfortunately.

Lots of medical people telling general public they do not need PPE and then they wonder why the hospitals are full of sick people.

edit: go ahead and downvote you losers. nobody cares.

Re: Apple Faceshield

#85

Post by DanBC »

briefcomment wrote: post #66

Is this significantly less effective than a normal surgical mask because of the large gaps?

You wear this and either a surgical mask or an FFP3 mask.

This stops stuff going into your eyes. You must not ignore the ocular route. https://www.thelancet.com/journals/lancet/article/PIIS0140-6...

This will me more useful to healthcare professionals (or family carers) working in close proximity to patients (or family) who may have covid-19, especially if those patients are coughing or the HCPs are performing AGP - aerosol generating procedures.

Re: Apple Faceshield

#86

Post by abduhl »

epicureanideal wrote: post #63
docbrown wrote: post #35

Earlier quoted context omitted.

> I was hoping everyone in the US might be able to buy one. This burst of PPE being produced in mass quantities are and were never meant to go in the hands of the general public (i.e., non healthcare workers), though. The general public does not need to be walking around with a full face shield, that’ll be a waste of materials, time and money, unfortunately.

Given that they probably would cost $1 to $5, and take almost no space to store, it wouldn't be a terrible thing for people to have a few if they want them. How many people have a $20 multi-tool that stays in a drawer somewhere? Or some bags of rice "just in case" that end up getting thrown in the trash after being forgotten about in the cabinet for 5 years? It may not be a terrible thing if some percentage of people…

What about the environmental impact of people buying everything "just in case?" Should we be stockpiling oil like crazy right now when prices are low just in case (while also artificially driving up demand)?

Isn't one of the key criticisms of farm and manufacturing subsidies that they are wasteful uses of our budget while one of the arguments in favor of them is that it maintains our infrastructure "just in case"? What about trying to buy out a foreign company to control a coronavirus vaccine or mandating that all domestic companies fulfill federal government orders before any international orders so that we have enough materials "just in case"?

My point here is that the just in case attitude for non-essential goods like PPE normalizes the same thinking in other arenas and it is unclear where we should draw the line. It is a slippery slope.

Re: Apple Faceshield

#89

Post by csours »

Loughla wrote: post #47
762236 wrote: post #15

Where they describe how to sterilize it: DO NOT mix those chemicals together (e.g., bleach + rubbing alcohol = chloroform).

And while we're here, let's go ahead and get these others out for people to read: Bleach+vinegar = chlorine gas, Bleach+ammonia = chloramine, Bleach+rubbing alcohol = chloroform Just don't mix bleach with anything. And while we're at it, don't mix hydrogen peroxide and vinegar, either.

And before anyone gets big ideas about the chloroform, it is not pure chloroform; it is generally contaminated by phosgene, which is truly terrible stuff.
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