If you’re familiar with the Avengers films, particularly Avengers: Age of Ultron, you’ve probably heard the word “Vibranium” at one point or another. After all, it’s what Ultron used to create his exoskeleton in the film. But what exactly is Vibranium?

Simply put, Vibranium is a metal ore exists within the Marvel Universe; one that’s almost equally expensive as it is strong. When it comes to the minutiae of Vibranium, though, there’s a lot to take in. So, sit back, relax, and prepare yourselves for a lesson on the ins and outs of Vibranium: