This blog is a window on my world, and the past two weeks have been A: a never-ending stream of health care appointments; B: an epic case of Password Panic; and C: writing. I’m going to skip number one and go straight to number two.

A month or so a go while on Spring break, our grandson drove 200 miles round trip so he and his girlfriend could see a movie, The Hail Mail Project, on IMAX. When I learned the movie was based on a book by the same guy who wrote The Martian, a book and movie I loved,...