These magnets float in midair thanks to superconductivity. The black disks beneath each magnet are made out of a material called yttrium barium copper oxide (YCBO), which acts as a superconductor when ...
China's export controls on rare earth yttrium throttling supply International prices have rocketed, stocks running low for some Shortages pose risks for aerospace ...
BEIJING/MONTREAL/SINGAPORE/HOUSTON (Reuters) -Global supplies of the rare earth element yttrium are running low due to Chinese export restrictions, sparking fears of ...
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