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tools


Author Comment Last activity Moderation
zengirl2 " I definitely want to work on hacking the FEMA box of food that people receive in emergencies. Let's take the same box size and figure out what peo..." | Read more » almost 4 years ago
DanielleS " Hey! I'd love to explore and learn about different diy options for soil testing for contaminants.... reagents, colorimeters, spectrometers, etc. O..." | Read more » almost 4 years ago
Bronwen "I absolutely agree with your concerns about putting human health and safety first, I guess I'm thinking more about cases that a lot of us have expe..." | Read more » over 4 years ago
Bronwen "Thanks, these are all great suggestions. When you say working glasses, you mean eye protection, like goggles or what you'd wear if you were working..." | Read more » over 4 years ago
Ag8n "What kind of chemicals are you planning on being able to handle? Please use caution. My best advice in many cases is to get the heck out of there...." | Read more » over 4 years ago
xose "I was directly involved in the cleaning grassroots teams in Galicia/Spain during the Prestige Oil Spill back in 2002. Around 63.000 tons of fuel sp..." | Read more » over 4 years ago
zengirl2 "Hey @Matej you are going to like this. :) " | Read more » almost 5 years ago
warren "I love this idea. Here are some leads on connecting a TDS meter to an Arduino, if that's what you're interested in: https://forum.arduino.cc/index..." | Read more » almost 5 years ago
warren "wow!!! This is very cool. Here's an amazon link: https://www.amazon.com/s/?tag=duc0c-20&url=search-alias%3Daps&field-keywords=tds%20aquarium " | Read more » almost 5 years ago
Ag8n "I checked Amazon. There are several tds meters that also do conductivity for a price of under $20. Since a scientific model lists for about $1000,..." | Read more » almost 5 years ago
Ag8n "Sorry. Truncated the internet address: Https://www.hydroponics.net/learn/debate_over_ec_and_tds.php " | Read more » almost 5 years ago
Ag8n "Check out: Https://www.hydroponics.net/lear All tds meters are conductivity meters, but according to the article, they may not all use the same c..." | Read more » almost 5 years ago
Ag8n "I think it is. Was hoping someone was more familiar than me. Different websites talk about charge and others about conductivity, which can be two..." | Read more » almost 5 years ago
gretchengehrke "Hi @Ag8n, Do you know how the aquarium TDS meter works? Maybe it really is just a super cheap conductivity meter? " | Read more » almost 5 years ago
zengirl2 "So I think that means people would have to embed their hashtags in the title of their post like: Replication of Hydrogen Sulfide Detection #airqual..." | Read more » about 5 years ago
warren "I like this idea. We're soon going to be tweaking the auto-tweet function. We use IFTTT.com -- any suggestions? We currently use this recipe: This..." | Read more » about 5 years ago
xose "Collection updated Including around 50 tutorials of ImageJ " | Read more » about 6 years ago
xose "Thanks for the feedback @mathew! I'll change as soon I'm on the keyboard. I hope you enjoy it! " | Read more » about 6 years ago
mathew "thanks for collecting these! there are a few applications in here I didn't know of that sound like great things to check out. FYI-- there's some b..." | Read more » about 6 years ago
warren "I finally circled back and implemented download of full-resolution distorted images using WebGL, here: https://github.com/jywarren/webgl-distort I..." | Read more » almost 7 years ago
mathew "oh yes! please read our wiki on frac sand and PM, its getting pretty fleshed out: https://publiclab.org/wiki/frac-sand follow notes as they happen..." | Read more » almost 7 years ago
sara "Super excited to read about this project, are their more recent notes on how your project's progressing? " | Read more » almost 7 years ago
jeffalk "You probably know about the EPA site with monitoring data around the Chicago coke facilities. The EPA data could be used to compare to whatever dat..." | Read more » over 7 years ago
liz "This is incredible work!!!! You guys are awesome! " | Read more » over 7 years ago