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This was fun, hitting a mask with UV light. Also an art project, making it look "Steam-Punk" 🙂

Observer-Effect 7 July 14
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1

FYI, UVC is the only reliable spectrum to kill covid-19 but it is also the most dangerous.

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could't a helmet housing power and devices that could project UV via fiber optics into the body of a mask or other mouth/nose barrier be fabricated? Any airborne virus life would have to pass through the radiated 'space' in either direction. One might even convolute clear air passage tubes (radiator style) through a dimensional facial housing of some sort, maximizing flow whilst slowing air travel between environment and organism enough for exposure lethal to the viruses.

@Observer-Effect I don't know what type or size device is required to generate UV light, but in this age of small things, if it could be incorporated within a comfortable helmet-type housing and conveyed via many fiber optic threads into an air passage barrier below, covering the mouth, nose, and posibly even air contacting eyes, it at least sounds feasable. Facial skin needn't be exposed to light in the mask, as air could 'reed' through a blocking barrier on the facial side of it.

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I can see the entertainment value of building it. Do you have relative called toolman by any chance. Goodonya mate, have fun 😃😃

No "Toolman" that I know of! 🙂

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This potential has crossed my mind as well. The question that is stuck in the back of my head is will it kill too many of the beneficial germs as well. I was thinking in terms of pesticides used on crops, the pesticides don't only kill the scourge it also destroys the pollinators.

azzow2 Level 9 July 14, 2020

@Observer-Effect I was thinking in terms of extremes giving the idea to the general population could turn sour quick. Look at the recent toilet paper fiasco and how the general population thought it was the cure J/K thought I would give you a laugh about the TP lol.

0

What are all the spider-like contraptions?

As far as I know, UV sterilization is being used for PPE. My biggest concern with this approach is the degradation of the plastic fibers, as UV breaks down most plastics. From what I've researched, (and if I recall correctly) N95 masks are a combination of polyester and polypropylene fibers.

bingst Level 8 July 14, 2020
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It looks like you used a grow lamp. That's not uvc. See bigclivedotcom on youtube for uv emitter comparisons (keyword germicidal). It's probable (from the color in your photos) that your system has no sterilization efficacy. I hope you're using the appropriate PPE in any case.

@Observer-Effect I think that if it were tuned for uvc, the color would be light blue. From your description of 200-400nm, how much of the output power is in the 200-280nm range, do you have a graph of emissivity over wavelength? All I can say for sure, if it doesn't make your eyes feel like there's sand in them, it's not making enough uvc band emissions to be germicidal. (I don't recommend trying this test though.) LED sources intended for germicidal use aren't tunable and often cover 260-270nm. If you want to do a simple test, make some agar in sterile containers, expose all but one (to test contamination) to a common bacterial source (toothbrush or cheek swabs), leave one or two as control, and expose the rest to your uv light box for different periods of time and grow them in an incandescent incubator (more diy). See [luxreview.com] and [klaran.com]

@Observer-Effect I don't know what I said that you interpreted to be condescending or what you judged to be worth blocking me, but thank you for allowing the conversation to continue.

I am a skeptic, about everything, about every claim presented to me. I saw your photos, and based on my own first hand observation of grow lamps I developed a suspicion that you may not have the equipment that you think you do. That suspicion is based on the color and the power output. The power rating you stated is double other products that are tuned, which means there is a substantial amount of power going to uv-a and uv-b bands that do not produce the effect you desire.

My judgement of the situation as presented is that there are risks to your health in the event that you are incorrect about the capabilities of the lamp. I appreciate your caution about it's use if it does produce uv-c light.

Could you provide a link to the source you purchased your lamp from? I'd like to review the advertising/documentation.

The only attribute of your lamp that I would prefer to examine closely is, whether the individual led elements have a metallic housing (shown in linked measurement video). Could you provide a close up of the led area of the lamp? (Turned off with normal external illumination.)

Banana test -


Measurements of various products:

@Observer-Effect Another popular method, in case your equipment doesn't do what you claimed:

@ShawnHicks I've realized that I just want to show that off as a piece of silly/fun handicraft. Therefore I withdraw all "claims" - other than that I will claim that it looks kind of steampunk. 🙂 And now that lamp has moved on, its being a good photon sparkplug for some art play with depression glass. <3

@Observer-Effect Uranium doesn't fluoresce below 408nm.

@ShawnHicks Nope, so - there must something else hitting it too eh? Or does it look like only one thing is there? I'm not good at photography. Figuring outaybe, one or two other things things are there?

Maybe . . . . maybe I was hitting it with UV flashlights of different sorts, lasers, RF energy and neutrons from from a homemade Br/Ra/Am source. Just to see what happens? See what all kinds of things change fluorescence?

Or . . . . a much more fun option . . . .

Maybe those aren't all actually UV lights, and lasers of different colors. Maybe they are dildos?!

The only thing I'm certain of is the purpose of all of this - - - It was fun.

[merriam-webster.com]

Here is some hot sauce, very very hot sauce.

@Observer-Effect I'm glad you're having fun. Misinformation can cause actual damage. Feel free to contact me when you have claims to debunk.

@ShawnHicks Thanks! Yes, it is good to have fun. And, I do need to be careful about my safety - like, looking at that hot-sauce picture. Its from a few months ago, but now that I look at it again? Not only would it be insane to see a hot sauce putting out that kind of energy. It would be insane to see anything anybody has at home putting out those levels of rads?!

Those readings must be Photo-shopped in. Fun!

0

I hope someone with the money is paying attention to this?

@Observer-Effect I wasn't thinking about millions for you but WAS thinking about the possibility of contributing to world health.

@Observer-Effect Never mind.

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