Breaking the cold barrier: superconductivity

 

A train floats along, frictionless, on a magnetic cushion above the tracks. Electrical wires deliver power to homes and industries over long distances without any loss of energy. Supercomputers perform calculations with 50 times the speed of the fastest computers available today. These are a few of the advances scientists believe are coming closer to reality as advances in high-temperature superconductivity continue.

Magnetic resonance imaging (MRI), shown above, produces images of tissues inside the body. Doctors use these images to diagnose diseases and injuries.

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