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  1. Replies
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    Seems like these are the guys you'd want to work...

    Seems like these are the guys you'd want to work with:

    https://www.apioptics.com/product-category/products/polarized-sunglass-demonstration-cards/glaredisplays-polarized-free-standing-displays/
    ...
  2. As far as I can find, this is Zeiss's current...

    As far as I can find, this is Zeiss's current clear, single vision lens selection, not including coatings, etc...

    14822

    It only mentions one SmartLife SV. If there is another one, I would be...
  3. Thread: I'm in a fog

    by Lelarep
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    12,946

    *Salutes a True Patriot* Your efforts are greatly...

    *Salutes a True Patriot* Your efforts are greatly appreciated by those of us that have yet to have access to such.
  4. Thread: I'm in a fog

    by Lelarep
    Replies
    86
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    12,946

    By the hard work of medical scientists and the...

    By the hard work of medical scientists and the grace of higher powers, we will hopefully not have to deal with this issue much longer. (my definition of "much longer" is less than the length with...
  5. Two? I've only read about the "SmartLife...

    Two? I've only read about the "SmartLife Individual SV". What is the other one?
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    I wonder if MEK, and enough skill, could produce...

    I wonder if MEK, and enough skill, could produce a decent repair?
  7. Thread: I'm in a fog

    by Lelarep
    Replies
    86
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    12,946

    Valves are a no-no for medical use of a mask. It...

    Valves are a no-no for medical use of a mask. It defeats 1/2 of the purpose of the mask.
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    37,948

    When in doubt, re-measure. A PD is not part of an...

    When in doubt, re-measure. A PD is not part of an Rx.
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    1,672

    Is this a Canadism that I am not familiar with?

    Is this a Canadism that I am not familiar with?
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    1,554

    That is a rather interesting difference. I'd be...

    That is a rather interesting difference. I'd be interested in hearing why that is as well.
  11. Fixed that.

    Fixed that.
  12. and this is why I have reservations regarding...

    and this is why I have reservations regarding operating completely from the cloud.
  13. Replies
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    3,587

    Regarding the loss of function of disposable N95...

    Regarding the loss of function of disposable N95 masks with repeated use, this table from a study of masks is rather convincing:


    14804


    *SN95 = Surgical N95, it's a special type of N95 that...
  14. This is a huge one with me. People that are...

    This is a huge one with me. People that are getting a 'nice' frame want a 'nice' case to go with it. What is so hard to understand about that?
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    672

    As someone with an MA in psychology, I have to...

    As someone with an MA in psychology, I have to say that I find the potential for any tint or filter to have any impact on Capgras Syndrome (this is the proper spelling) to be essentially absurd....
  16. ... Do you often undress rats? Which raises ever...

    ... Do you often undress rats? Which raises ever more questions. Why are the rats wearing clothing? Are they your rats or just random rats? etc...
  17. Replies
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    13,281

    I thought it would be prudent to share these...

    I thought it would be prudent to share these links:

    https://www.cdc.gov/coronavirus/2019-ncov/hcp/ppe-strategy/decontamination-reuse-respirators.html
    ...
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    13,281

    Those that have been specifically tested for...

    Those that have been specifically tested for efficacy at filtering out microbes, and meet FDA as well as NIOSH standards, are your best bet. In general, any N, R, & P type respirators, with a rating...
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    As long as the molecule that is responsible for...

    As long as the molecule that is responsible for the UV excluding properties has a sufficiently long half-life relative to environmental factors (all chemicals eventually degrade, even if it requires...
  20. Decent cardboard for shipping seems to be getting...

    Decent cardboard for shipping seems to be getting more and more rare. It seems like most "shipping" grade cardboard has been downgraded to what used to be considered "packaging" grade cardboard,...
  21. Handwriting a UPC code. Man, that is just evil.

    Handwriting a UPC code. Man, that is just evil.
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    "***hole." This is really what I would love to...

    "***hole."

    This is really what I would love to say some days...
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    376

    When, exactly, did it start?

    When, exactly, did it start?
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    And with that, this thread has officially jumped...

    And with that, this thread has officially jumped the damn shark.
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    My best suggestion is to reconsider your...

    My best suggestion is to reconsider your reconsideration.

    The entire sphere of "Irlen" is just not something one really wants to get involved with in anyway unless they want to be involved in...
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