23 items of vital vocabulary you’ll need to know in 2023

You can read it as a refreshing look ahead as we’re closing in on 2023, or you can play a little game: Reading the terms only, count how many you’ve heard before and how many you can explain to a five-year-old. A little amuse-bouche: Brown hydrogen, vertical escalation, TWaT city, cislunar. (You need to create a free account with The Economist to be able to read this article — it’s worth it.)