| Answer | Crossword Clue |
|---|---|
| FERMI | Big name in nuclear physics |
| EINSTEIN | Big name in physics |
| TRON | Suffix in nuclear physics |
| FERMIS | Units in nuclear physics |
| MSEC | Brief period in nuclear physics: Abbr. |
| supercritical | (in nuclear physics) Containing or involving more than the critical mass |
| subcritical | (in nuclear physics) Containing or involving less than the critical mass |
