And rare earth minerals. And God help you if you're trying to use it to replace a steady source of energy with them, because the battery requirements go parabol

And rare earth minerals. And God help you if you're trying to use it to replace a steady source of energy with them, because the battery requirements go parabolic. Though, we are seeing some innovation in the battery space that replaces some of those rare earth minerals with more abundant and less hard to mine materials, such as zinc.