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Created page with "== Introduction == Superconductors are materials that can conduct electricity without resistance when cooled to certain temperatures. This phenomenon, known as superconductivity, was first discovered in mercury by Heike Kamerlingh Onnes in 1911. Since then, a wide variety of materials have been found to exhibit superconductivity, including some compounds that become superconducting at relatively high temperatures. Image:Detail-42405.jpg|thumb|ce..."
