Minimal superconducting magnet produces 3 tons of force

Minimal superconducting magnet produces 3 tons of force

According to recent reports, a team of scientists from the University of Cambridge in the UK has developed a compact superconducting magnet, roughly the size of a golf ball. This tiny device generated an impressive magnetic field of 17.6 Tesla, breaking a long-standing superconducting levitation record that had stood for over a decade. Despite its small size, the magnet was able to produce a force equivalent to 3 tons.

The research team utilized high-temperature superconductivity technology, operating at temperatures as low as -196°C. They created a new type of magnet using a material known as GdBCO (gadolinium barium copper oxide), which is known for its strong superconducting properties. The process involved growing a 1-inch single crystal, which required extreme precision and a very slow growth rate. Before being energized, the sample had to be carefully strengthened. If this step was skipped, the magnet could easily crack or even explode under the intense magnetic pressure, much like fragile dried noodles under stress.

The researchers emphasized that creating such a superconductor isn't as complex as it once seemed. While traditional superconductors require extremely cold conditions—close to absolute zero, or -273.15°C—this experiment showed that with the right materials and techniques, superconductivity can be achieved more simply. This breakthrough opens up new possibilities for practical applications in the near future.

This development could have significant implications for power transmission systems, potentially leading to safer and more efficient methods of transferring electricity. It might also improve magnetic levitation technologies, making high-speed trains faster, quieter, and more energy-efficient. As research continues, we may soon see these innovations becoming part of our everyday lives.

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