Well, they are alien tech. The species that made them is way more advanced than us. The rings just ended up on Earth accidentally, [Tony clarifies. So it's not so much an issue of humans misplacing knowledge as it is aliens literally misplacing their magic space rings.
He pointedly avoids adding anything about the tenth ring, because how about let's please not talk about that okay.]
no subject
He pointedly avoids adding anything about the tenth ring, because how about let's please not talk about that okay.]