These alter the activity of three genes that control the growth of the eyeball and ensure light entering the eye is converted into electrical pulses in the retina.

这些变异改变了三个与眼睛相关基因的活动，这三个基因控制着眼球的生长，并且确保进入眼睛的光线在视网膜上被转换成电脉冲。

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When imprinted on silicon glass, these converters are able to alter the polarization of ultra-short pulses of laser light passing through them.

这些转换器在被压印到硅玻璃上之后，能改变通过它的超短脉冲激光的偏振方式。

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Those changes in background may alter both the speed of light and the speed of neutrinos.

这些背景的改变会改变光速或者中微子的速度。

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Shining an appropriate light on such a wire from the outside would alter its refractive index (a measure of how fast light travelling inside the wire can move).

ECONOMIST: New-age crystals

Google has agreed to alter its search results in the light of a European investigation into whether it unfairly promoted its own services.

BBC: Google offers clearer search labels after EU probe

Now scientists - at the University of California, San Francisco, and Cincinnati Children's Hospital Medical Center - believe that body-penetrating light can alter the development of the eye, at least in mice.

BBC: Light in womb 'gives healthy eyes' - in mice