| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "COMMUNITY QUESTION: Are there apps or devices to warn residents about airborne toxins?https://t.co/Eh0PvmUjQd pic.twitter.com/s5o3VFYqfh— Public La..." | Read more » | over 4 years ago | |||
| guolivar | " It all depends on what your objectives are. You'll notice that most air quality monitoring stations (the regulatory ones) have wind measurements w..." | Read more » | over 5 years ago | |||
| Ag8n | " Normally, in an open location, the national weather service (NWS) wind direction would be ok. But as you get into more urban locations, where bu..." | Read more » | over 5 years ago | |||
| warren | "Although honestly probably just the whole thing tied up in a cloth bag as I suggested above might be easier to do than rubber banding a filter over..." | Read more » | over 5 years ago | |||
| warren | "Actually i wondered re: @nshapiro's note on might risk suspending dust from the growth medium in the air if, and this is weird, but putting a filte..." | Read more » | over 5 years ago | |||
| warren | "Just linking in @nshapiro's comment here: @Odie91that's a great question and one that many people ask. I'm concerned that if we don't reverse the ..." | Read more » | over 5 years ago | |||
| zengirl2 | "There's also this post on sensors from this Public Lab post. " | Read more » | over 6 years ago | |||
| stevie | "I've found a couple systems for grab sampling. It seems as though there are some commercially available systems such as the Summa Canister, but the..." | Read more » | over 6 years ago | |||
| warren | "Hi, @bkleist - have you run the cameras for a while now? Caught anything good? We'd love to hear from you! " | Read more » | over 6 years ago | |||
| warren | "@nshapiro also pointed out that it would be easier to break your pump by flooding it if you used it in the usual "push" mode. Just so I understand,..." | Read more » | almost 7 years ago | |||
| bkleist | "Unfortunately the cameras had been giving us a lot of trouble, and have not yet been deployed. The good news is that I was able to figure out how t..." | Read more » | about 7 years ago | |||
| stevie | "Thanks for the post! Any updates on where the camera is? " | Read more » | about 7 years ago | |||
| imvec | "Ey @pdhixenbaugh good to hear you! The approximate cost as It's now, for version 0.1, is around 80$ depending on the Ardu (if clone or original...) " | Read more » | over 7 years ago | |||
| pdhixenbaugh | "Hey! Amazing work! What's the approximate cost of this setup? " | Read more » | over 7 years ago | |||
| jfrankamp | "I did see one on Amazon the other day and it was more like a mesh bag so it might even let roots go through it. I'm not sure it would do anything s..." | Read more » | over 7 years ago | |||
| warren | "Oh, i had another idea -- what about a water-permeable fabric drawstring bag? That'd be pretty easy to put on, but would it impede airflow? Anyhow,..." | Read more » | over 7 years ago | |||
| jfrankamp | "Re: water level, The commercial version has a low water sensor that shuts the fan off to let it try to survive. It won't resume air circulation unt..." | Read more » | over 7 years ago | |||
| warren | "Yes, i also don't know much about this, and if the airflow from the pump is enough to make it a concern... i guess any negative pressure is better ..." | Read more » | over 7 years ago | |||
| jfrankamp | "Hi! Nice to digitally meet you. I asked Nick about that when I did my build because I had the same thought. The only downside he mentioned was tha..." | Read more » | over 7 years ago | |||
| marlokeno | "@cfastie, @warren, @eustatic, and @martenskram- Thanks for your help clarifying ideas & procedures. As it's winter and cold, indoor air is ofte..." | Read more » | over 8 years ago | |||
| cfastie | "In these experiments, the bubbler will increase the humidity in the chamber or room. That alone could reduce the dust in the air (by dampening the ..." | Read more » | over 8 years ago | |||
| warren | "Very neat idea -- I guess I agree with Chris that it may not matter if diatoms metabolize the silica, if the silica is already transfered from the ..." | Read more » | over 8 years ago | |||
| eustatic | "I'm unsure about the claims, but at least one vaccuum company advertises that its unit can 'wash' the air. Of course, the unit moves a larger volu..." | Read more » | over 8 years ago | |||
| marlokeno | "Thanks to Chris for some lucid suggestions. I have some questions, and ideas for improvements after reading your post. Question: I don't understan..." | Read more » | over 8 years ago |