Why does the “train” have to be so cold?
How does Maglev trains work ... https://video.nostr.build/bff1b9927ae86d38e767e574ef1d72057463149cbbf58e0cdc0e35154526af54.mp4
Why does the “train” have to be so cold?
So the superconductor is below its critical temperature, above which it is just a piece of non-magnetic ceramic.
