Summary:
- This article discusses a U.S. startup called MP Materials that is trying to break China's monopoly on rare earth elements, which are critical for many modern technologies.
- MP Materials is working to reopen the Mountain Pass mine in California, which was once the world's largest producer of rare earth elements before China took over the market.
- The article explains the importance of rare earth elements and the need for the U.S. to reduce its reliance on China for these critical materials.