| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| MadTinker | "Yeah, that seems right. I should have thought thru it a bit more. " | Read more » | almost 7 years ago | |||
| cfastie | "I know nothing about this topic, but here is the model I concocted from whole cloth to understand it. Measuring conductivity of water with electro..." | Read more » | almost 7 years ago | |||
| warren | "Zooniverse link! https://www.theplastictide.com/blog-1/2017/4/24/launching-our-tagging-website-2-days-to-go " | Read more » | almost 7 years ago | |||
| warren | "And just to link to what @amirberAgain mentioned about automatic particle detection in #silica #dust pollution: https://publiclab.org/notes/amirbe..." | Read more » | almost 7 years ago | |||
| amirberAgain | "Another ask /suggestion : place particles on a polarized film sheet illuminated from below, image with a cross polarizer to remove the background. " | Read more » | almost 7 years ago | |||
| warren | "Got some good feedback from @maxliboiron from Newfoundland and http://civiclaboratory.nl -- @maxliboirox: You can't. Not with any accuracy. A few ..." | Read more » | almost 7 years ago | |||
| tech4gt | " More info here " | Read more » | almost 7 years ago | |||
| amirberAgain | "Another ask/ suggestion would be to image using black/uv light, most plastics would show strong signs of fluorescence which might help descriminati..." | Read more » | almost 7 years ago | |||
| jlev | "Thanks @amirberAgain. I've contacted my friend at Greenpeace and asked him for some more images with less overlap and a wider array of lighting con..." | Read more » | almost 7 years ago | |||
| amirberAgain | "Code: https://drive.google.com/file/d/1HDekiO0l9DEmSBmbWBVOEEPvSkys6AUa/view?usp=sharing " | Read more » | almost 7 years ago | |||
| amirberAgain | "I tried to apply the same simplistic approach as was in the particle image. Not sure why, but Sobel didn't work, but Canny did. Other than that - t..." | Read more » | almost 7 years ago | |||
| amirberAgain | "Could you upload a few more image samples? Is it possible to ask that the samples be illuminated from a wide light source such that shade will be k..." | Read more » | almost 7 years ago | |||
| Bronwen | "Hi Vendy. We have a general page about spectrometry over at publiclab.org/wiki/spectrometry-- this would be a good place to find some general infor..." | Read more » | almost 7 years ago | |||
| Ag8n | "Is there any specific information you are interested in? What do you want to do with the instrument? Thanks " | Read more » | almost 7 years ago | |||
| Ag8n | "Near the top of this page is a tag labelled "spectrometer". Tap on that to start. Once you are in that spectrometer info, you will see a link " t..." | Read more » | almost 7 years ago | |||
| warren | "What might be the processing steps, to try to break this down? Could they look like some of the steps @SimonPyle, @AmberWise, @damarquis and @amirb..." | Read more » | almost 7 years ago | |||
| MarioG | "That's really useful pillole dimagranti " | Read more » | almost 7 years ago | |||
| warren | "Ooh! @maxliboiron maybe you know something about this? I have to dig through some old emails to find someone else who's mentioned this to me too. " | Read more » | almost 7 years ago | |||
| xose | "Wow! I didn't knew this printable. Thanks! " | Read more » | almost 7 years ago | |||
| cfastie | "Kestrel makes a well-thought-out data logger called Kestrel Drop. The Drop D2 logs temperature and humidity apparently for six months. You can retr..." | Read more » | almost 7 years ago | |||
| gretchengehrke | "This one seems like it could be good if you were monitoring near somewhere with wireless: https://www.amazon.com/dp/B0013BKDO8/ref=asc_df_B0013BKDO..." | Read more » | almost 7 years ago | |||
| elaineyuyu | "Hi Chris, thank you so much for your answer! It seems we will have to purchase one of those expensive multispectral cameras, since we need to ident..." | Read more » | almost 7 years ago | |||
| cfastie | "Spectrometers based on consumer cameras, like the Public Lab spectrometers, can be built so they provide good information about which narrow wavele..." | Read more » | almost 7 years ago | |||
| rjun86 | "thanks for ur answer sadly while trying to remove those 3 screws i shredded stripped those screws head if u want i can post its picture before tha..." | Read more » | almost 7 years ago |