Light Finds A Way -- Even Through White Paint: Specially-prepared Light Moves Through 'Open Channels'

Materials such as milk, paper, white paint and tissue are opaque because they scatter light, not because they absorb it. But no matter how great the scattering, light is always able to get through the material in question. At least, according to the theory. Researchers have now confirmed this with experiments. By shaping the waveform of light, they have succeeded in finding the predicted 'open channels' in material along which the light is able to move.

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