I’ve been spending the week here in Cape Canaveral, where it’s been a healthy mix of sun and rain (though the high humidity is constant!). My brother is visiting on a working vacation, and it’s been nice showing him around and getting a little work done here. He takes long walks in the morning and has probably seen more of the town than I have!

Before my trip, my wife asked me to find her some sand dollars while I was here, but after a couple of days scouring the beach, I only managed to find he...