China has been going around buying up resources to rare earth metals, but other countries are starting to fight back.
Because this is a vital industry.
So PhysOrg notes that scientists are devising batteries on local materials.....
... in the global rare-earth metals market, the provenance is extraordinary— U.S.-mined ores, domestically processed, and domestically manufactured into magnets.
And that's important, because rare-earth magnets are used in a wide and ever-increasing number of modern technologies, and the ability to produce them domestically could have broad positive impact on national economy and security.