Tap water. I can't stop marveling at the fact that we have (mostly) unlimited, clean, drinkable water on demand and virtually for free.
But also many other things, many of which others have mentioned here (cars, mass housing, garbage collection, electronics).
So much so that I feel frustration at the fact that in my job, I do not participate in human society making any of these fascinating things possible; and I have decided that my next career move will have to make me part of the supply chain of one such thing, even if I am just the tiniest of links.
But also many other things, many of which others have mentioned here (cars, mass housing, garbage collection, electronics).
So much so that I feel frustration at the fact that in my job, I do not participate in human society making any of these fascinating things possible; and I have decided that my next career move will have to make me part of the supply chain of one such thing, even if I am just the tiniest of links.