| 2018-06-21 | actually added physics waves: | tree | diff | |
| 2018-06-18 | finish fields notes | tree | diff | |
| 2018-06-18 | finish fields notes | tree | diff | |
| 2018-06-18 | add to fields notes | tree | diff | |
| 2018-06-17 | expand fields notes | tree | diff | |
| 2018-06-16 | consolidate notes | tree | diff | |