This has been an acutely unusual evening. It is hard to leave friends behind for an unknown period of time. Of course, it is best to do so when at a barbecue very well provided for with food and drink. Antonia deserves a commendation for putting so much effort into it.
My profound thanks go out to those who I met and befriended while in Oxford. That is especially true for Antonia, Claire, Alex, Kai, and Kelly. I am gladdened by the thought that we will probably see one another again, some time in the next few years.
PS. Price of shipping books and files to Ottawa: 0.77 iPhones. That does not include whatever Zoom Airlines will charge me for excess baggage, given that I have four bags instead of two and they are definitely over the weight limit.
Speaking of the iPhone, here is the dissection.
I really like that photo. If you look at the edges of the monitor, you can see the chromatic abberation caused by the sphere.
It is one of Fraser Long’s contact juggling balls.
Some similar optics can be found in this video, around 5:50.