On: Deposit of rare-earth minerals off Japan could supply world for centuries (2018)

[selestify]

How and why did China use them against Japan a decade ago? Is there an incident I can read up on?

[iSnow → selestify]

https://www.nytimes.com/2010/09/23/business/global/23rare.ht... but also read https://www.bloomberg.com/opinion/articles/2019-05-30/we-all... and https://www.eastasiaforum.org/2013/08/18/did-china-really-ba... as it seems this isn't really that clear cut. The US's current smearing of China probably has a big part in it.