When they tried to pass a current through the material, the researchers noticed that its resistance suddenly increased by a factor of 100K once the temperature dropped below a certain threshold. The same sudden change also occurred when the researchers decreased the external magnetic field. Like superconductors, which have applications in many different areas of physics, from accelerators to magnetic-levitation (maglev) trains to MRI machines, superinsulators could eventually find their way into a number of products, including circuits, sensors and battery shields.

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