| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| warren | "Hi, Gretchen, what does "miscible with water and with oil" mean? Is it related to what @matej and others learned about the ability to dissolve oil ..." | Read more » | over 6 years ago | |||
| gretchengehrke | "@Zengirl2, I think for the best results you'll want to use acetone, which is easy to find online and in a lot of drug stores and art stores (and ma..." | Read more » | over 6 years ago | |||
| warren | "Also, not that this sounds ideal, but these two students did some good documentation and work on detecting h2s from bodily sources, so to speak: ht..." | Read more » | over 6 years ago | |||
| warren | "I see a couple leads here, one by @jschaffr : https://publiclab.org/notes/jschaffr/11-21-2011/controlled-testing-bw-film-hydrogen-sulfide-detecto..." | Read more » | over 6 years ago | |||
| zengirl2 | "I was really excited to work on this at BarnRaising. As a group we constructed sensors by using tin snips to cut sheets of copper, which is a bit t..." | Read more » | over 6 years ago |