| Author | Comment | Last activity | Moderation | ||
|---|---|---|---|---|---|
| el_tonio | "My initial thought was an electromagnet might be best. Reading the journal though, they use two small neodymium magnets. The major issue with rough..." | Read more » | about 10 years ago | |||
| el_tonio | "Further questions that need exploring: Following some literature * What does the data look like * What is a positive result? * What is a negative ..." | Read more » | about 10 years ago |