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What is High Temperature Superconductivity
In the 1980s scientists discovered that certain ceramics become superconducting at unexpectedly high temperatures—a leap forward that could make this ultra-efficient technology far more practical.
Ordinary superconductors work only in the extreme cold achieved by applying liquid helium, which is costly to produce.
They're used in such sophisticated and expensive technologies as medical magnetic resonance imaging (MRI) but will never be a sensible way to transmit power to home or run electronics.
The newer super conductors do their thing at temperature as high as - 211 degrees Fahrenheit.
That's still ultracold, but it's achievable using liquid nitrogen, which is cheaply derived from liquid air.
Of course, the field's holy grail is the material that could eliminate resistance at room temperature—for now, only a dream.
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