In expanding export rules on rare earths, Beijing for the first time announced it will require foreign firms to obtain approval from the Chinese government to export magnets containing even tiny ...
President Trump is racing to respond to a major escalation of the U.S.-China trade war, with the American supply of critical ...
“The blades in a jet engine run hotter than the melting point of metal. How? They are coated with yttrium-stabilised zirconia, a rare earth compound that prevents them from melting. There are no ...