What's nice about high-temperature superconductors is they also happen to be high magnetic field superconductors. Higher magnetic fields let one build smaller d

What's nice about high-temperature superconductors is they also happen to be high magnetic field superconductors. Higher magnetic fields let one build smaller devices. The problem is they also need to be structurally strong to sustain the forces that such high fields create. https://en.wikipedia.org/wiki/ARC_fusion_reactor https://en.wikipedia.org/wiki/ARC_fusion_reactor