Superconductivity Explained in Simple Words
By Science ABC
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Superconductivity is a phenomenon where certain materials, when cooled below a critical temperature, conduct electricity without resistance, allowing current to flow indefinitely without energy loss. This was discovered in 1911 by Dutch physicist Kamerlingh Onnes during experiments with mercury. Onnes observed that when mercury was cooled to nearly absolute zero, its electrical resistance vanished. Later, other metals like niobium, lead, and tin were also found to be superconductors. In 1957, the BCS theory, proposed by three physicists, explained superconductivity using quantum mechanics, revealing that electrons form "Cooper pairs" that move without resistance in the material's lattice structure. Superconductivity has led to numerous applications, including MRI machines, maglev trains, and particle accelerators like the Large Hadron Collider, which use superconducting magnets to create strong magnetic fields. These advancements in superconducting materials have opened the door to re
Tags: Superconductivity, electrical resistance, critical temperature, superconducting materials, superconductors, zero resistance, Kamerlingh Onnes, Cooper pairs, BCS theory, quantum mechanics, niobium, lead, tin, high-temperature superconductors, yttrium barium copper oxide, REBCO, MRI machines, maglev trains, particle accelerators, Large Hadron Collider
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