I believe we both share this understanding, the problems are 1. China controls ~90% today 2. The US will find it difficult to build out because of how dirty a

I believe we both share this understanding, the problems are 1. China controls ~90% today 2. The US will find it difficult to build out because of how dirty and environmentally damaging mining and processing are. I did see some research last week about a better way to process rare earths, but it is still research and will need to be industrialized. Regardless, it will take many years (decade+?) to become self sufficient and China is already willing to and increasingly restricting them