Superconductivity can induce magnetism
Thursday, September 11, 2008 - 13:35
in Physics & Chemistry
When an electrical current passes through a wire it emanates heat - a principle that's found in toasters and incandescent light bulbs. Some materials, at low temperatures, violate this law and carry current without any heat loss. But this seemingly trivial property, superconductivity, is now at the forefront of our understanding of physics.
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