Comments

Author Comment Last activity Moderation
warren "What about if it fluoresces under UV light? Could that help? Though some natural substances fluoresce too. " | Read more » 4 months ago
warren "Hi @Ag8n - thanks, i'm thinking of an activity which young people could do in a group, over the course of a month or so, to create a map of a water..." | Read more » about 1 year ago
warren "Hi, @akhila - this is a really cool experiment you're doing! OK, i think i may have some suggestions that could help; i think you may have a doub..." | Read more » over 1 year ago
warren "Wow, very cool. Could you post a pic of the dual cameras too? " | Read more » over 3 years ago
warren "Ah, but perhaps you're using the wrong filter setting in Image Sequencer -- it looks like potentially the NDVI values are inverse? " | Read more » over 3 years ago
warren "WOW!!! Was that generated onboard the Pi, or in post-processing? @xose @imvec take a look! " | Read more » over 3 years ago
warren "Hi, I think that would be great. I'm trying to do an install of infragram in one recipe here, and if that works, I may do the same for image-sequen..." | Read more » over 3 years ago
warren "Hi! This is awesome. You can find some more on related projects at #pi-camera and #raspberry-pi-infragram We're also working on a cool project to ..." | Read more » over 3 years ago
warren "Yes definitely the diy spectrometers on this site can have their range narrowly selected. See SpectralWorkbench.org for some examples! " | Read more » almost 4 years ago
warren "Also Markos, from the spectrometry mailing list, chimed in with:grinning: Hi, I apologize for sending here a reply to the question proposed at: ..." | Read more » almost 4 years ago
warren "And in case there are updates from others, let's see if @Frikkie or @winsorje have something to add? " | Read more » almost 4 years ago
warren "Maybe @fez who asked this would be interested too: https://publiclab.org/questions/fez/02-01-2017/diy-methods-for-nitrate-detection-in-food " | Read more » almost 4 years ago
warren "Hi, just for starters there are a couple interesting projects related to nitrate detection here: https://publiclab.org/tag/nitrate There's also t..." | Read more » almost 4 years ago
warren "Hi, which nutrients are you hoping to measure? " | Read more » almost 4 years ago