| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| EdMallon | "The latest in our ongoing series of build videos supporting Dr. Beddows enviro-sci students who have to first build the logger(s) used to collect d..." | Read more » | about 1 month ago | |||
| Ag8n | "Do NOT use standard, off the shelf strips, for food/drug applications. There are special tracibility and accuracy requirements. Normally, a coupl..." | Read more » | about 2 months ago | |||
| EdMallon | "A summary of the many waterproofing methods we've used over the years. Might be a few ideas there that Public Lab builders find useful: https://the..." | Read more » | 2 months ago | |||
| Ag8n | "You have an excellent start on the project. But, from an analytical chemists point of view, can you say how the mercury was analyzed? Mercury can..." | Read more » | 3 months ago | |||
| bhamster | " @bhamster has marked @purl as a co-author. " | Read more » | 3 months ago | |||
| JuliaGuerrein | "Hi, Stevie! We hope you are well! I just updated the post to include the link :smiley: " | Read more » | 3 months ago | |||
| bhamster | "Sharing some information on vinyl chloride from the Agency for Toxic Substances and Disease Registry (ATSDR): Inhalation is the primary route of e..." | Read more » | 3 months ago | |||
| Ag8n | "According to cbsnews.com/news/east-palestine-ohio-train-derailment-toxic-chemicals-mike-dewine-national-guard-activated/ the spill contains vinyl c..." | Read more » | 4 months ago | |||
| stevie | "Sorry I missed this! Can you share a link to the presentation? or embed it somewhere? " | Read more » | 4 months ago | |||
| sammy_6_2003 | "UPDATE Prices have been adjusted since the original posting of the message in 2018. Please visit www.homeaircheck.com to find the current fees for ..." | Read more » | 4 months ago | |||
| Ag8n | "As with everything else, there are many possible interferences. Is this project still active? " | Read more » | 4 months ago | |||
| Ag8n | "Doggone spell check. It should be" These are emission lines, so no lamp is needed. " not " These intermission lines, so no lamp is needed. " " | Read more » | 4 months ago | |||
| Ag8n | "Just caught this whole looking up some other stuff. The technique most commonly used is atomic emission spectroscopy AES. The flame is so strong,..." | Read more » | 4 months ago | |||
| warren | "This looks v cool! Walkman style. I wonder how recoverable/measurable dust is from the tape when rolled up again. Would some kind of clock mechani..." | Read more » | 4 months ago | |||
| natematias | "Here's an in-progress prototype. " | Read more » | 4 months ago | |||
| patcon | "Trying to substitute this link in for the old Civic Hall blog link: http://web.archive.org/web/20180614162508/https://civichall.org/civicist/need-t..." | Read more » | 4 months ago | |||
| TheChessGym | "STEM Magnet Program " | Read more » | 5 months ago | |||
| belkinsa | "I'm planning to do this but over time, maybe a year to start with. It looks like this was done just a one time thing. Is there anything to look for..." | Read more » | 5 months ago | |||
| Ag8n | "I'm looking forward to your protocols and testing! Good luck! " | Read more » | 5 months ago | |||
| Abraxas | "Try the new UVEX from Shelyak and get that range and everything else to ultraviolet. The price tag is pretty high but there is a DIY that might kee..." | Read more » | 5 months ago | |||
| Ag8n | "Now, to change the topic a little bit. What happens once all this testing gets going? In industry, a financial auditor appears and says " you are..." | Read more » | 6 months ago | |||
| Ag8n | "There are variations on the method, but check out the USP if using for medical applications. The oldest is a straight " gel clot". The sample is ..." | Read more » | 6 months ago | |||
| dgtlmoon | "@warren thanks :) added a bit of info about https://changedetection.io which is free and a lot more modern than the other solutions suggested (the ..." | Read more » | 6 months ago | |||
| dgtlmoon | "It's been 4 years since this post was made and a lot has changed, I would recommend using https://changedetection.io , it's available as opensource..." | Read more » | 6 months ago | |||
| Abraxas | " " | Read more » | 6 months ago | |||
| Abraxas | "I'd love to get a pack at that amazing price !! How about a link or anyone else with sources for affordable materials. " | Read more » | 6 months ago | |||
| Abraxas | " " | Read more » | 6 months ago | |||
| Abraxas | " " | Read more » | 6 months ago | |||
| ew4cm | "Hi. I had the same problem with sd-card. My PCB board was wrong. " | Read more » | 6 months ago | |||
| Ag8n | "In case this work is not successful and the mining continues, how can you minimize the damage done by the mining? " | Read more » | 6 months ago |