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Scientists in Europe have experimentally created a new class of light waves that can pass through opaque materials as if they were not there. These “scattering-invariant modes of light” create the same light pattern whether they travel through a complex scattering structure or a homogenous medium, such as air. According to the researchers, the mathematical formula used to calculate the optimal waveform for the disordered environment could also be applied to other types of waves, such as acoustics.

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