| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| m3sca1 | "Hi Warren, Thanks for your concern-the carbon arc you show in that video is quite a bit larger than what I had in mind but yes that sort of spark g..." | Read more » | about 8 years ago | |||
| warren | "Hi, this seems like it could be dangerous, and I don't know much about it. But are you talking about this: https://publiclab.org/notes/bwilliams/10..." | Read more » | about 8 years ago |