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Superconductivity Demonstration

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Uploaded by on Dec 8, 2008

A ceramic is bathed in liquid nitrigen and becomes "superconducting. At this point, the electrical conductivity of the substance increases substantially. Since a current generates a magnetic field, the superconductor become an elecromagnet. The traditional magnent is suspended above the superconducting magnet with just the right balance of gravitational attraction and magnetic repulsion,

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  • did you get that as a kit? and where did you get the liquid nitrogen to cool the ceramic?

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