As many people are saying, let him study what he wants to study, which may change over the course of his time in college. Even if he lands in the humanities or arts, as long as he applies himself (and does well in his science General Ed courses), he'll be fine, and will most likely get enough tangential tech training wherever he goes. Everything touches stem, from music production to archeological research to medicine and data science.

Definitely more compact on the whole, somewhere between the cramped apartments too many of us are forced to live in, but smaller than the huge suburban ranch houses no one freaking needs, think spacious duplex. Easy clean materials for floors and counters, probably something a mega-roomba can easily navigate, something capable of moving furniture as well as sweeping cheerios, the only real automation, a modern hoover everyone can afford. Dedicated spaces for a central control computer system, nothing fancy, just enough to run the thermostat, make a grocery list and manage the wifi router, or select tonight's movie from the TV in the living room.

So the way I heard it was the original idea behind dressing up for Halloween a LONG time ago was you dress up to scare away the real monsters, or at least that's what they told the kids. Wikipedia confirms this was at least part of it, (Christian linked tradition to dressing as a ghost to avoid getting got by a ghost that had it out for you).

Nowadays it's just an excuse to wear a costume, dress however and as whoever you want. Wanna be the killer from a horror movie? Sure. Batman? Why not. Your Uncle Steve as an inside joke to your family and friends? Go for it. It's also an excuse for parents of small children to dress them up and take tons of pictures of little Timmy dressed up as Buzz Lightyear or whatever, and let me tell you as someone who wore a Buzz Lightyear costume as a kid, it's fun for about 5 minutes, then it gets hot and you get cranky FAST.