Author Comment Last activity Moderation
fieldlab "Yes, a good question @warren - possibly not, and I'm not sure how to find out, apart from buying a whole lot of cheap cell phones. I'll keep thinki..." | Read more » over 4 years ago
fieldlab "Thanks for your reply @warren. There is pretty good discussion going on about this concept on hackaday for Pb detection in drinking water a la Flin..." | Read more » over 4 years ago