When I was a student at Purdue, about 150 years ago, I can remember walking across campus in the cold. The closer I got to the engineering building, the windier and colder it seemed to get. I had to lean into it at a 45-degree angle just to keep from being tossed around like an empty grocery sack. Shivering, I often wished that someone (preferably a cute boy) would pull up in a warm car and drop me off at the student union. Of course, it never happened. But it was my fairy tale, complete with handsome knight and his trusty Charger. I am a closet romantic. I blame the fairy tales I grew up with, along with all the romance movies I used to watch. I learned a kind of physics from these stories—the ones we make fun of—boy meets girl, boy woos girl, things threaten, they overcome, then “happily ever after.” There was a large portion of my 30s when I threw all this out the window and tried hard to adopt a hard-boiled attitude. None of that is real, I said. But I still dreamed about it. The o...