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magnetic refrigeration by fousiya
Magnetic refrigeration is a cooling technology that uses the magnetocaloric effect to attain low and refrigerator temperatures. It was discovered in the 1930s by Weiss, Piccard, Debye, and Giaque through the observation that applying or removing a magnetic field to certain materials causes a temperature change. The magnetocaloric effect is a magneto-thermodynamic phenomenon in which the temperature of a suitable material changes with exposure to a changing magnetic field. Gadolinium alloys are commonly used as they heat up in a magnetic field.
