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Fishy felon breaks a law of physics

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Ashley N. Rice, [email protected]

A multilayer crystalline structure used by silvery fish to evade ocean predators bends the laws of physics and could be the key to developing better optical devices. Reflective surfaces polarize light, but silver-colored fish such as sardines, herring and sprat do not polarize light in the way that most reflective surfaces do. They have overcome this basic law of reflection to conceal themselves from predators, according to new research from the University of Bristol. Previously, it was thought that the fish’s skin – which contains multilayer arrangements of reflective...Read full article

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