| Clue | Source | Date |
|---|---|---|
| Nuclear model named for a physicist | New York Times | 21 Aug 2022 |
| Model used in physics class | Wall Street Journal | 01 Dec 2018 |
| Model used in physics class | ||
| Physics model using an analogy to the solar system | LA Times Daily | 27 May 2017 |
| Physics model using an analogy to the solar system | The Washington Post | 27 May 2017 |
| Physics model using an analogy to the solar system | ||
| Physics model proposed in 1913 | Wall Street Journal | 05 Dec 2015 |
| Physics model proposed in 1913 |