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warren commented on Where can microscope lenses (objectives) be bought? : "@bmela @kgradow1 @wmacfarl is this already listed in the activities you posted? I just wanted a place to list links and prices and options. Thanks! " | Read more » 6 days ago
warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping : " booklet-publiclab-1.pdf " | Read more » 6 days ago
warren commented on Spectral Workbench API : "True! We've moved that code to its own library at https://github.com/publiclab/spectral-workbench.js -- i'll update these now! Thanks for the catch! " | Read more » 7 days ago
warren commented on Does anyone know what image processing spectral workbench does to find intensity at wavelength/ where to find the coding for that? : "OK, so you can open a JS console in https://spectralworkbench.org/capture and type $W to access the capture.js script's functions. There are severa..." | Read more » 7 days ago
warren commented on How do I stabilize smaller balloons and prevent them from being blown down in the wind? : "Agreed! it's so cool to see spinning. " | Read more » 7 days ago
Zengirl2 commented on Can you use rubbing alcohol or nail polish remover for prepping copper for Hydrogen Sulfide test? : "@gretchengehrke will know about the nail polish remover. Unfortunately my nail polish remover is not the standard fare since it is made for the lig..." | Read more » 7 days ago
Zengirl2 commented on How do I stabilize smaller balloons and prevent them from being blown down in the wind? : "This looks awesome @Tufts_Jumbo! " | Read more » 7 days ago
Zengirl2 commented on Can you use rubbing alcohol or nail polish remover for prepping copper for Hydrogen Sulfide test? : "Done @warren :) " | Read more » 7 days ago
warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping : "Final cover with CC-BY-SA, in negative and positive: balloon-mapping-booklet-cover-negative.pdf balloon-mapping-booklet-cover.pdf " | Read more » 7 days ago
warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping : " balloon-mapping-booklet-title-page.pdf " | Read more » 8 days ago
warren commented on What is the hydrogen sulfide concentration range that can be monitored using a copper tarnish method? : "What's a good way to determine this? Would it work to set up a test somewhere there is H2S, alongside a calibrated H2S detection technique and comp..." | Read more » 8 days ago
warren commented on Having Fun Testing Attachments : "I filed an issue for what I believe is a related factor in the rich text editor library we use: https://github.com/bevacqua/woofmark/issues/63 Tha..." | Read more » 8 days ago
liz commented on What is the best way to formalize connecting needs with offers? : "i wanted to add some relevant terminology from the amazing g0v community as we work on conceptualizing our matchmaking: a digger is a person who id..." | Read more » 8 days ago
31gane commented on DIY Spectrometer at Women in Photonics Week : "@31gane awards a barnstar to isabellagonzalez for their awesome contribution! " | Read more » 8 days ago
warren commented on Quantitative analysis using paper-based kits : "We're starting to compile a lot of different sensors and testing methods here -- could be of help! https://publiclab.org/wiki/water-sensors " | Read more » 8 days ago
kayaerbil commented on Oil Chemistry of Keystone Leak : "https://geosciencealliance.wordpress.com/ I am going to reach out to the geoscience alliance about this. It's something my friend suggested. Als..." | Read more » 8 days ago
kayaerbil commented on Oil Chemistry of Keystone Leak : "I am in touch with someone who lives in Standing Rock who used to work for the EPA and left because of corruption. She's talking about getting a j..." | Read more » 8 days ago
warren commented on Collaboratively write the new Pocket Guide to Grassroots Mapping : " balloon-mapping-booklet-cover.pdf " | Read more » 8 days ago
plnedestroyer commented on Engineered Histograms : "where can I find how to do so, I looked through the tutorials and did not find anything on making custom histograms, I am able to make a b&w hi..." | Read more » 9 days ago
Reallygeek commented on Does anyone know what image processing spectral workbench does to find intensity at wavelength/ where to find the coding for that? : "I haven't considered getting a Raspberry Pi yet, since I've never used one before/ don't own one now. I did try running the JavaScript version on N..." | Read more » 9 days ago
Reallygeek commented on Spectral Workbench API : "The links on the "View commented code for more detail." lead nowhere. " | Read more » 9 days ago
warren commented on Does anyone know what image processing spectral workbench does to find intensity at wavelength/ where to find the coding for that? : "Oh, cool! Please check out https://publiclab.org/wiki/raspberry-pi-spectrometer and have you considered using the JavaScript version on a Raspberry..." | Read more » 9 days ago
warren commented on How can we stream video to SpectralWorkbench.org or Infragram.org from a Raspberry Pi camera? : "There's some really good starting code here: https://www.sitepoint.com/streaming-a-raspberry-pi-camera-into-vr-with-javascript/ Please help out if..." | Read more » 9 days ago
Reallygeek commented on Does anyone know what image processing spectral workbench does to find intensity at wavelength/ where to find the coding for that? : "I'm not sure, I'm trying to make a robotic bioreactor that uses spectrometry to monitor the chemical conditions; I'm trying to use an API to extrac..." | Read more » 9 days ago
warren commented on cek : "Hi! What are you looking to do here? Can we help? " | Read more » 9 days ago
warren commented on How do I stabilize smaller balloons and prevent them from being blown down in the wind? : "Great! We'd love to see more photos and a video -- you can post it as an activity (you should be seeing a prompt to do this below your posts here) ..." | Read more » 9 days ago
Tufts_Jumbo commented on How do I stabilize smaller balloons and prevent them from being blown down in the wind? : "Warren, we have just completed some full-scale testing. Currently we are refining and collecting data before we make any claims. We will definitely..." | Read more » 9 days ago
Tufts_Jumbo commented on How do I stabilize smaller balloons and prevent them from being blown down in the wind? : "We came across a lot of design challenges and setbacks, but my team and I have just conducted some full scale tests and we are very happy with the ..." | Read more » 9 days ago
warren commented on Setting up the Raspberry Pi Camera for Wireless Streaming : "Oh! The docs say "Clicking on the image will toggle between normal and full screen mode." Awesome! " | Read more » 9 days ago
warren commented on Setting up the Raspberry Pi Camera for Wireless Streaming : "Hi! http://partsandcrafts.org/pi_microscope/raspbian_preload isn't working for me -- and how big is it? Do you think we could host that at GitHub o..." | Read more » 9 days ago