The capsules are arranged as pixels and electric charges applied to each pixel pull either the black or the white particles towards the top of the capsule (and the opposite colour to the bottom).

这些胶囊按照像素排列，电荷会作用于每个像素点上，将白色或者黑色的粒子拉到胶囊的顶部（同时，那些相反的颜色会被排斥到底部）。

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Candy Hansen from Nasa added: 'the colour of the ice surrounding adjacent streaks of material suggests that dust has settled on the ice at the bottom after similar events.'

美国宇航局的凯迪·汉森指出：“暗色条纹临近区域的冰雪颜色表明，在类似情况发生之后，沙尘已经沉淀在底部的冰层中。”

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Li: See the colour at the bottom. Do you think I need to make some improvements?

李，还有底下那个色彩啥的您看用不用动一动？

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The capsules are arranged as pixels and electric charges applied to each pixel pull either the black or the white particles towards the top of the capsule (and the opposite colour to the bottom).

ECONOMIST: Electronic screens as thin as paper are coming soon

The crowns on his top teeth are a completely different colour from his own teeth in his bottom jaw.

ECONOMIST: Letters