| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| Ag8n | "I think the concern should be with detecting radium, since all isotopes are radioactive. The best way to detect radium is with energy dispersive X..." | Read more » | almost 6 years ago | |||
| nshapiro | "HI Michael, If you were interested in collecting data on radiation from water or seaweed near your house or lab, posting it here on Public Lab in ..." | Read more » | over 6 years ago |