And that's the opportunity we working on. Can use blue-enrich white-appearing light and gets a strong circadian stimulus for the astronauts, and will this in fact help their sleep?

这就是我们可以抓住的机会，运用大量蓝色呈现出白色的光，对宇航员进行周期刺激，这个是否可以帮助他们的睡眠。

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Picture a giant light bulb appearing just above your head.

想象你头顶上方出现了一个巨大的灯泡。

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While another features a bend of green light following the curvature of the earth and almost appearing to slice through the starry sky.

另一张图片上绿光跟随大地弯曲，在布满星星的夜空这些绿光好像变成了一片一片。

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In an early phase, for example, veterans were cast in a positive light, appearing as larger-than-life figures.

BBC: Iraq, camera, action: Films struggle with war's legacy

Testing out the device, the hardware felt quite responsive and the phone was light while appearing to be all screen.

FORBES: Hands on with the Galaxy S4: Failing the cool factor

And they have done it with deception, by fooling light waves into appearing smaller than they really are.

FORBES: Trick of the Light