Not actually true from my understanding. Think blacklight or tanning beds. They are just inefficient light sources. For a UV light source to be completely invisible, you’d need an expensive single frequency emitter.
And why would you? With a 400-405nm emitter, you can tell if it’s on or if the light failed.
By definition, ultraviolet light is ‘beyond violet light’ and the visible spectrum that can be detected by the human eye. It cannot, therefore, be seen directly. Detectors that are sensitive to UV convert it into a form that we can see.
Ultraviolet (UV) light has shorter wavelengths than visible light. Although UV waves are invisible to the human eye, some insects, such as bumblebees, can see them. This is similar to how a dog can hear the sound of a whistle just outside the hearing range of humans.
Precisely. It CAN be emitting UV even though you see some light. Therefore saying that if you can see light, that there is no UV, is not necessarily true.
I would guess there is a way to just have purple LEDS to fake the effect…but the 400-405nm emitters are only like a buck from what I found.
@hchavers There is something very satisfying about an insect electric chair. The sparks, the crackle as the pests are incinerated. I wish they made a similar device for rodents. The ones available are little dark boxes where the mouse disappears never to be heard from again. Throughout the ages there was always something cleansing about a public execution. So what if you have to sweep up the mess afterwards? Don’t hunters stuff and mount their kill? It’s nice to see how many pests will no longer be bothering the world, the fruits of your labor so to speak.
I grew up with those big blue mosquito lamps in our yard. We had two my dad put out every summer. The zapping becomes a very calming sound when you get used to it it. One night we herd the zapping going execution style, by the time the smoke cleared from it we could see a chipmunk had climbed up it and it looked like the cat from Christmas Family Vacation.
@hchavers I’d love to see that on Shark Tank. Come in describing it as a seasoning shaker and let each of the “sharks” sprinkle some food and enjoy the samples…then tell them the other use for these and get ready to run.
Also, the bugs that do get attracted in will only be trapped and dead if the thing can stay running for like an hour after they get sucked in there, so they dehydrate and die. Otherwise they’ll fly away when the batteries die.
The good thing is if it doesn’t work for those who actually buy this crap will be able to use it to keep cool while the sanitize for COVID. Maybe that is if the UV thing even works. Actually the fan would have to be tampered with to effectively keep you cool as you attempt to sanitize.
@whomeyesu This won’t sanitize anything… it’s probably just 400nm purple LEDs that touch the top of the UV spectrum. Just like all the fake “COVID-19 disinfection wands” out there. Low wavelength UV-C is what disinfects.
Every year my sister comes up with some silly new way to eradicate mosquitos. They never work. I fully expect these to be as useless as all her ideas. For $15 I get to give her grief and can pretend I have no clue when they show up unannounced. Even at my old age giving my older sister the needle is too much fun to resist.
actually, CO comes to mind, but definitely NOT MN where the skeeters are big enough to plug up the entrance to these fans one by one (Skeeters are the state bird in MN… land of 10,000 lakes and 100 zillion mosquitos)
@flehm@Kidsandliz Ain’t that the dang truth, round here, they’re worse than the rabbits(not that I mind the rabbits) and act like any small amount of water is their pay by the hour motel. They go get their freak on, make some little skeeters than come looking for me to end the evening with a good dinner.
These mini environmental disasters shouldn’t be on sale!!!
According to HowStuffWorks:
"Mosquitoes are a very small part of the population attracted to bug zappers.”
Most are beneficial beetles, moths, ants and midges along with parasitic wasps that control other insect pests. When an insect is zapped, the devices send bacteria, along with bug particles that could be carrying viruses, flying into the immediate area, according to a study conducted in 2000 by researchers at Kansas State University.
“Bacteria that bugs pick up on the surface of their bodies or accumulate in their digestive canals do not get zapped. Instead, they survive on the small particles of electrocuted bug body that go hurtling through the surrounding area when an insect is electrocuted. And what goes flying into the air has to land somewhere, right?”
According to thewirecutter.com:
“Bug zappers kill bugs by the thousands. But there’s a problem: They kill the wrong bugs. They are ineffective against mosquitoes and other biting flies, and their otherwise indiscriminate killing can reduce songbird populations, disrupt pollination, and generally throw the environment out of balance.”
The truth is that mosquitoes are not attracted to ultraviolet light in the way that many other insects are, making the usual type of bug zapper almost useless in getting rid of them. Worse, the sheer number of non-harmful insects killed by the zappers can take a heavy toll on the ecosystem.
@ahacksaw That’s nice of you to say, but I think it’s just a misuse. “Vis à vis” is not a synonym for “therefore.” In the same sentence, “sucks” should be singular. Also, to me it’s odd to see the plural of mosquito spelled “mosquitos” instead of “mosquitoes” (my spellchecker agrees), but according to the internet either is acceptable.
@Citymars Ah, I missed the incorrect “sucks”! I see more and more people getting agreement of subject and verb wrong, which annoys me. I’m not really a prescriptivist anymore, but lack of agreement of subject and verb is just silly.
@rtjhnstn Well, of course. That’s why it sold out. Most of us are still waiting for stuff from the irk-off. So most of us continue to buy to reach that level of satisfaction that is bound to never come. Especially if it’s shipped by Pitney Bowes.
Well, now that we sold out, I think it’s only right I came on here and say…I thought I had lost my touch. I really prided myself in buying things that get TORN apart in the forums. But lately, you guys have been loving the items I’ve bought. I mean, I think someone gave the Polti an 8.5/10…gotta be the best review I’ve received on a product since I started. And the nail polish?! Who would’ve thought you all would even like the colors I picked. I’m thrilled to be back at the bottom by providing you all with products worthy of you taking 5 minutes out of your day to express how much you loathe them. Thanks to all!!
@mandirose Perhaps when you choose products make sure the ones you pick don’t damage the wildlife like this one does or the environment? Well and also stuff that is more to likely survive the, um, drop kicks care taken by the shippers, especially when they aren’t actually padded in the too big boxes. Thanks.
No need to worry about cleaning out the box, there won’t be any critters to clean out. Without doubt the most useless product(s) I ever bought. Have NEVER CAUGHT ANYTHING in three months, inside or out. Chew battery power like crazy but you might as well forget about batteries, you’d have more chance of a blind bug flying into it by accident. It’s one thing for MEH to wallow in the “we sell crap” mantra, but your sales model will be short-lived with this sort of offering and similar.
One of the two mosquito killer fan lamp things I bought has been running non-stop since it arrived in late June, and lo and behold, it has managed to catch and kill one (1) mosquito. I suppose even a broken clock is right twice a day!