| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| liz | "Hi Muyueh, i am so sorry to hear about this tragedy. Your map is incredibly well-made. Now that you have exported it, you can add annotations to th..." | Read more » | almost 10 years ago | |||
| nshapiro | "I think so. Those tubes require one pump on the Draeger Tube proprietary pump. So if one were to rent their proprietary pump for a single day and a..." | Read more » | about 10 years ago | |||
| sara | "Exciting stuff! Do you think this method could work for other pump based tubes like these http://www.buydraegertubes.com/hydrogensulfide02b.aspx " | Read more » | about 10 years ago | |||
| kensanfran | "I just posted a second Research Note on this project which covers basic board information and some initial real-world field data. http://publiclab..." | Read more » | about 10 years ago | |||
| nshapiro | "That sounds like a great idea. The flow meter remains the most expensive component so reducing this cost is clutch. This sounds like something that..." | Read more » | about 10 years ago | |||
| kensanfran | "Hi Neil, Thanks for your nice comments. Yes, I think the general issue of data quality from citizen science sensors is finally starting to get the..." | Read more » | about 10 years ago | |||
| DavidMack | "The commercial air flow meters are easy to use and come with NIST traceable certificates but you can make your own air flow meter for lab use that ..." | Read more » | about 10 years ago | |||
| nbmasson | "Nice work! Looks like a clean and well-designed module. FYI, you can find some more open-source info at http://mobilesensingtechnology.com/ with s..." | Read more » | about 10 years ago | |||
| neilh20 | "Hey fantastic to have a calibrated gas sensor as the starting point. It is essential to the definition of "quality" in any air quality measurement ..." | Read more » | about 10 years ago | |||
| liz | "News from the North Brooklyn Boat Club: Yesterday NYCDEP reported a break in the case. In their words: "We received an anonymous spill report of ..." | Read more » | about 10 years ago | |||
| mathew | "seems like auto stores sell oil absorbers. Autozone sells "new pig" brand, and they make an oil-only rag: http://www.autozone.com/autozone/accesso..." | Read more » | about 10 years ago | |||
| straylight | "good work amy, I like the thinking. I've had the optic fibre tactic on the backburner now for a while, I have the fibre, just need to work on a le..." | Read more » | over 10 years ago | |||
| warren | "If you look at some of Chris Fastie's work on the Infragram technique, he's posted a lot about theater gels as a way to filter certain wavelengths ..." | Read more » | over 10 years ago | |||
| mathew | "hmmm... neat idea. Some paints have aniline dyes, but many higher quality paints have just pure mineral pigments. the spectrum of the reflectivit..." | Read more » | over 10 years ago | |||
| stoft | "So, the translucent paint would provide a filter and you'd select the paint color to select the spectral wavelength to detect? ...which is similar ..." | Read more » | over 10 years ago | |||
| stevie | "Ohh I understand. Ok I might get this wrong (I'm still new to the science) but we were using the mineral oil as a sort of base sample. We know how ..." | Read more » | over 10 years ago | |||
| amysoyka | "The purpose of the paint is to act as a filter so that only the exact colour wavelength that matched the colour will be absorbed and trigger the li..." | Read more » | over 10 years ago | |||
| stevie | "Interesting.. with the oil testing kit we've been using mineral oil. Might that serve a similar function? " | Read more » | over 10 years ago |