response:9420
response:9420


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