Make a 6-Tesla-class high-temperature superconducting dipole magnet at 4.2 K

I found it odd that they call it high-temperature, but then perform all their experiments at 4.2 K. Also, at 4.2 K, the magnet performs worse than established Nb-Ti technology, so it doesn't seem to be a significant advancement.

That’s awesome!!!!

don't MRI machines run at temps around 4-5K?