Comments

Author Comment Last activity Moderation
nshapiro "Thanks @kkoerner! For the air purifier, pulsing pumps are a-ok as we are not trying to move air through the roots in a precisely known way, just a ..." | Read more » about 7 years ago
nshapiro "Hi @indy if you're based in Indiana, as your name hints, you can report your symptoms to the stat DOH and they might come out and test for free. In..." | Read more » over 7 years ago
nshapiro "in terms of jeff's questions: I'm not sure I understand the bell jar totally. I think a month is a good time for a test, to minimize illusory short..." | Read more » over 7 years ago
nshapiro "yes! a 3 way would be great, they really do moan when they get jammed. A three way or a two way that vents the non-line engaged channel would be id..." | Read more » over 7 years ago
nshapiro "I love this idea! It really highlights that this kind of intervention could be a way to make the diffuse impacts of indoor air quality quantifiable..." | Read more » over 7 years ago
nshapiro "Thanks, @Dave-O ! We did some side by side testing of this method next to an EPA approved method and we found these tubes to be cross contaminated ..." | Read more » over 7 years ago
nshapiro "Absolutely! I just heard back from the UCSD guys and they spent about $200 on 10 kits including plants. Looking forward to seeing your sketches an..." | Read more » over 7 years ago
nshapiro "i think @Zengirl2 has some ideas on this and has maybe been working on a tutorial with a low cost model. I will also ask colleagues at PIAO who mad..." | Read more » over 7 years ago
nshapiro "Thanks, @danbeavers! I'm hoping it works well and we can develop many more applications! " | Read more » over 7 years ago
nshapiro "Its great that your thumb was greener than expected and that the water roots were forming and growing through carbon deposits. Your question about..." | Read more » almost 8 years ago
nshapiro "A commenter in @Zengirl2 's adafruit blog post (which is great btw) had a good point. We don't know which is more effective the plant roots or the..." | Read more » almost 8 years ago
nshapiro "@Zengirl2 fantastic! glad to hear you're interested and can't wait to see the post. I'm in philly too and happy to connect you with some of the PA ..." | Read more » almost 8 years ago
nshapiro "Hi Jeff! The RKI FP-30 does not follow an EPA recognized method. For what its worth, the company that makes it claims that their results are very s..." | Read more » almost 8 years ago
nshapiro " @DavidMack wow, and that is even without interference from acetaldehyde & acetone etc? The article we developed our method from, http://www.n..." | Read more » almost 9 years ago
nshapiro "Great! Thanks for that! Next time just tell me to do that :) I've uploaded it to youtube and embedded it in the note! " | Read more » almost 9 years ago
nshapiro "Hi @btbonval! Thanks for your comment and concern. We have thought a lot about these issues. We are planning to do some randomized monitoring+surve..." | Read more » almost 9 years ago
nshapiro "@mathew yes. yes yes yes yes. " | Read more » almost 9 years ago
nshapiro "these are stunning @mathew! " | Read more » almost 9 years ago
nshapiro "@kkoerner Hi Karl! Great find! It would be fantastic if you could request a quote on these. We are planning on have a lending library of these tool..." | Read more » almost 9 years ago
nshapiro "@btbonval we are using an analog detection method to avoid the pitfalls of digital calibration. The tubes are sealed in the lab and read on the spo..." | Read more » about 9 years ago
nshapiro "Hey @liz! We have some of that information up @ http://publiclab.org/wiki/formaldehyde-exposure but you're totally right! We really need to make ou..." | Read more » about 9 years ago
nshapiro "This looks great! Maybe they could also mark the two solid black lines in addition to the color change so there is less ambiguity on the measurment..." | Read more » about 9 years ago
nshapiro "@mathew were the two tubes that you are comparing opened by different means? perhaps if we can just standardize the tip breaking better we wouldn't..." | Read more » about 9 years ago
nshapiro "This looks great! What does it weigh? I wonder if loosing the blue plastic shell on the pump would lighten the load in any more cost-efficient way. " | Read more » about 9 years ago