There are not coffee stains, it's a language: https://www.wired.com/2016/11/arrivals-designers-crafted-mesmerizing-alien-alphabet/ https://www.wired.com/2016/11

There are not coffee stains, it's a language: https://www.wired.com/2016/11/arrivals-designers-crafted-mesmerizing-alien-alphabet/ https://www.wired.com/2016/11/arrivals-designers-crafted-mes... (from "The Arrival") EDIT: accidentally linked to a different graphics. Now it's fine.