If China discovers this, publishes papers on it, and patents it, you can be 100% sure that the west will just ignore any patents and fabricate it themselves.
Possible, but many of the economic benefits would be lost if you needed to do it covertly.
Can't exactly have room temperature superconducting monorails all over the nation without someone questioning exactly how you have room temp superconductors and nobody else does...
I’m fancying that a centrally managed economy might be able to do this, where a democratic capitalist economy may not. But I agree it’s a bit of a leap
