Incredible new material makes heat programmable
Researchers have developed a new material using magneto-optical components that allows for the programmable control of heat radiation. By breaking the principle of reciprocity, this device can independently manage how thermal energy is absorbed and emitted.
In most materials, the way heat is absorbed and the way it is emitted are inseparable. If a surface absorbs heat efficiently from a particular direction or wavelength, it also emits heat the same way. This long established principle, known as reciprocity, has made it difficult for scientists to independently control how thermal energy enters and leaves a material.
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