Partial polishing of chapter 3.
Add a plot to the detector chapter, plus a few other corrections.
Incorporate changes from Laura.
Polish chapter 3.
Significant work on results chapter.
Various work on finishing results and polishing other things.
Of course, I have to lose work before I decide to back up more frequently.
Backups galore.
Finished chapter 7 (possibly soon 7&8).
Significant clarification of the early parts of the denoising chapter.  Also added a list of things which I don't want to forget to add (but which might not make it in by Thursday).
More changes.