| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| azaz10500 | "i am a Student " | Read more » | about 3 years ago | |||
| Ag8n | "It's much more complicated than it seems. It isn't whether something is sand or silica. Because, by definition, they are the same thing. Sand is..." | Read more » | about 3 years ago | |||
| liz | "This is a great thread! Excited to find this simple experiment. We might consider recommending this as an activity for people to try as they set up..." | Read more » | over 5 years ago | |||
| warren | "Hi, Jeff - if you can't get it to work, please feel free to email it to me at jeff@publiclab.org and I can try. On Wed, Sep 5, 2018 at 1:34 PM \&..." | Read more » | over 5 years ago | |||
| jeffalk | "I'll try placing the graph again. I'm sometimes clutzy at this stuff! I'm trying to use jpg format. " | Read more » | over 5 years ago | |||
| guolivar | "I'll try to unpack a couple of things here. The use of zero filters is standard practice as a quick check of particle instruments. It is used to t..." | Read more » | over 5 years ago | |||
| zengirl2 | "@jeffalk does it work if you convert image to jpg format? " | Read more » | over 5 years ago | |||
| jeffalk | "I tried to drag an image, tried copying and pasting, tried putting the image into a WORD document and dragging or pasting, you see the results above. " | Read more » | over 5 years ago | |||
| Ag8n | "I agree that the original data should be used. But, if the sanity check is not zero, that result should also be recorded, or at least noted. " | Read more » | over 5 years ago | |||
| warren | "you should be able to just drag in an image to the text area! On Tue, Sep 4, 2018 at 6:05 PM \<notifications@publiclab.org> wrote: Hi! Ther..." | Read more » | over 5 years ago | |||
| jeffalk | "Nice "sanity check" for pm "real time" monitors. I'd suggest it is always good practice when testing to make use of original data, in the case of..." | Read more » | over 5 years ago | |||
| zengirl2 | "@warren Cool experiment. So your dip in the top graph--do you think that is expressing less traffic due to start of holiday or is it raining there? " | Read more » | over 5 years ago | |||
| warren | "OK, I'm removing the cover now, wow that seems to have worked! " | Read more » | over 5 years ago | |||
| warren | " OK, it's every 10 minutes, and I just covered it: " | Read more » | over 5 years ago | |||
| warren | "I can try this right now, at the Providence Purple Air sensor: https://www.purpleair.com/map?#12/41.8091/-71.4266 " | Read more » | over 5 years ago | |||
| warren | "So cool! " | Read more » | almost 6 years ago | |||
| warren | "Wow that's really cool @Yeipi - do you have a microscope? Are you following the Community Microscope project at https://publiclab.org/micro ? " | Read more » | almost 6 years ago | |||
| stevie | "Here's an answer from Clarke Knight who's studying pollen accumulation rates at Berkeley:: "Pollen is not typically 'measured' in air, per se. Poll..." | Read more » | about 6 years ago | |||
| Yeipi | "@liz: the size can go from 10 to 200um, but most pollens of interest might be under 50 um. It could be a good assumption that on high pollen season..." | Read more » | about 6 years ago | |||
| MichaelG | "Three links which may be of interest: http://www.bbc.co.uk/news/av/health-17944765/met-office-how-to-count-pollen http://www.burkard.co.uk/7dayst..." | Read more » | about 6 years ago | |||
| warren | "Can you identify pollen by shape? " | Read more » | about 6 years ago | |||
| liz | "Pollen seems to be around pm10. are you interested in measuring only pollen (yikes! hard!) or generally all particulate matter around that size? He..." | Read more » | about 6 years ago | |||
| warren | "Ack! Indeed, and oops. I'll mark this as an answer. Sometimes this happens on GitHub and we should think about ways to help with duplicated questio..." | Read more » | about 6 years ago | |||
| stevie | "This is similar to the question I posted here. Has a couple resources on it now: https://publiclab.org/questions/warren/11-30-2017/what-are-some-wa..." | Read more » | about 6 years ago |