superconductivity

     

Superconuctivity is a phenomenon occurring in certain materials at very low temperatures, characterized by exactly zero electrical resistance and the exclusion of the interior magnetic field (the Meissner effect).

Trivia about superconductivity

  • Condition of zero electrical resistance, it occurs in metals cooled to very low temperatures
  • (Sarah of the Clue Crew reports from a particle accelerator at Brookhaven National Laboratory, Long Island, NY.) Cooled magnets at the Relativistic Heavy Ion Collider facilitate this super phenomenon; current shows no resistance, & gold ions travel at nearly light speed
  • Cryogenics is used to create greatly reduced electrical resistance in many materials, a phenomenon called this

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