The tapes can be wound around a duct that carries a flow of liquid nitrogen. Layers of thermal and electrical insulation complete the system, forming a robust power cable.

• 很多公司现在把高温超导体制成几毫米厚的带子，它们可以绕在装有流动液氮的管子上，再加上几层绝热和绝缘体，一根结实的电缆就完成了。