Figuring out how to do the cube was the highlight of 7th grade. Didn’t have to use a cheater book, but my method wasn’t going to win any speed contests.
My wife got me a picture cube a year or so back and it was fun playing around with it again. It came back really quickly, though I hadn’t touched one in a couple decades. But I couldn’t always solve it. Sometimes I’d get one center square 180 degrees off and the only way I could fix it was by totally scrambling the cube and resolving. Sometimes it takes 3 or 4 rescrambles.
So do I know how to solve a picture cube?
I doubt we’d find much comfort in the government’s plans for an A-bomb in San Fran, and probably much less in their execution.