An animal can hide from predators by choosing the light environment in which its pattern is least visible.

动物可以通过选择一个光线最不明显的环境来躲避捕食者。

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Like a magician using a complex set of mirrors to hide his tricks, a invisibility cloak USES materials that change the shape of light so that it moves around an object, hiding it from view.

就像魔术师通过一组复杂的镜子来隐藏他的戏法，隐身斗篷利用特殊材料改变光的形态，使光线绕过物体，从而使物体在人们的视线中消失。

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They clear foliage from the trees to allow in light, then grow the plants between the trunks to hide them from aerial detection by the drug authorities.

他们把树上的叶子清理好，让光线照射进来，然后在树的躯干旁种植，以此掩人耳目，逃避打击毒品部门的侦查。

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The one-room building contained a table with a porcelain top and a hide-bottomed chair, both sitting under an unfrosted light bulb hanging from the ceiling on a long cord, and Obie went in and scraped dust and fallen dirt-dauber nests off the table with the side of his hand.

NEWYORKER: Idols

"There's a whole host of other stuff that's spun off because people have realised that light waves are not the only sort of waves you might want to hide from, " Prof Pendry says.

BBC: Invisibility cloaks: Will we ever really have them?