Definition: In physics, a superreflection is an interaction between two waves that can occur at very high frequencies. The term "super" in this context refers to the frequency of the waves being considered as having a higher wavelength than what would be expected for a wave with a lower frequency. For example, consider a wave traveling through a medium like air or water, and if the wave is standing waves (i.e., it propagates back and forth without changing direction), it will have a wavelength that is much
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