Context: Researchers have achieved a record increase in superconducting temperature using a new pressure-based technique.
About Superconductivity
- Phenomenon where a material shows zero electrical resistance and expels magnetic field (Meissner effect)
- Occurs typically at very low temperatures (near absolute zero)
- High-temperature superconductors work at relatively higher temperatures but still require cooling
- Recent studies achieved superconductivity up to around –13°C under extremely high pressure
- Applications: lossless power transmission, MRI, maglev trains, efficient electric motors
- Limitation: Requires very high pressure, making large-scale use difficult
- Key challenge: Achieving superconductivity at room temperature and normal pressure
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