| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | caesium 137 | nuclear science community | Caesium 137 is a commonly encountered and well-studied radioactive isotope with significant implications for nuclear waste and environmental contamination. | 1 |
| 2 | einsteinium | nuclear physics community | Einsteinium is a synthetic element created through nuclear reactions and is a focus of study in nuclear physics. | 1 |